Publications by authors named "Hamideh Salimzadeh"

25 Publications

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Association of DNA repair gene variants with colorectal cancer: risk, toxicity, and survival.

BMC Cancer 2020 May 12;20(1):409. Epub 2020 May 12.

Department of Surgery, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sahlgrenska University Hospital, Östra, 416 85, Gothenburg, Sweden.

Background: Single nucleotide polymorphisms (SNPs) in DNA repair genes have a potential clinical value in predicting treatment outcomes. In the current study, we examined the association of SNPs in the genes XRCC1-rs25487, ERCC1-rs11615, ERCC2-rs238406, and ERCC2-rs13181 with colorectal cancer (CRC) risk, relapse-free survival (RFS), overall survival (OS), and toxicity during chemotherapy.

Methods: SNPs were analysed in 590 CRC cases and 300 controls using TaqMan technology. The association of SNPs with CRC risk and toxicity during chemotherapy was analysed using Chi2 test. The Kaplan-Meier method and log-rank test was used to measure the effects of the SNPs on RFS and OS.

Results: The CC genotype of ERCC2-rs238406 and the ERCC2-rs13181 C allele were associated with a significantly increased risk of CRC. The ERCC1-rs11615 genotype T/T was associated with stomatitis in adjuvant chemotherapy (p = 0.03). Also, more patients with the ERCC2-rs13181 C allele needed dose reduction compared to patients with the A/A genotype (p = 0.02). In first line chemotherapy, more patients with the ERCC1-rs11615 C allele suffered from nausea compared to those with the T/T genotype (p = 0.04) and eye reactions and thrombocytopenia were more common in patients with the ERCC2-rs13181 C allele compared to the A/A genotype (p = 0.006 and p = 0.004, respectively). ERCC2- rs238406 C/C was also associated with a higher frequency of thrombocytopenia (p = 0.03). A shorter 5-year OS was detected in stage I & II CRC patients with the ERCC2- rs238406 C allele (p = 0.02). However, there was no significant association between the SNPs and 5-year RFS.

Conclusions: Both SNPs in ERCC2 were associated with risk of CRC as well as toxicity during first line treatment. In addition, ERCC2- rs238406 was linked to OS in early stage CRC. The ERCC1-rs11615 variant was associated with toxicity during adjuvant chemotherapy. The results add support to previous findings that SNPs in ERCC1 and ERCC2 have a prognostic and predictive value in clinical management of CRC.
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http://dx.doi.org/10.1186/s12885-020-06924-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7216326PMC
May 2020

Predictive Factors of Advanced Colonic Adenomas and Cancer Using Data Mining.

Middle East J Dig Dis 2019 Oct 5;11(4):192-198. Epub 2019 Nov 5.

Digestive Disease Research Institute, Shariati Hospital, Tehran, Iran.

BACKGROUND Colorectal cancer is the third common cancer in Iran. In this study we aimed to identify factors associated with the prevalence of advanced colonic neoplasms among a high-risk population. METHODS Participants were 474 first degree relatives of patients with colon cancer who underwent a screening colonoscopy at Digestive Disease Research Institute, Shariati Hospital affiliated to Tehran University of Medical Sciences. Features examined in this study were age, sex, body mass index, Aspirin use, smoking, and relationship type with patients with cancer in family. Also, patient's age at the time of cancer diagnosis, number and sex of the patients with colon cancer in the family were assessed. Data analysis was performed by data mining methods using K-Medoid clustering and decision tree C4.5. RESULTS Results showed that female sex of the patients with colon cancer and their young age (< 60 years old) at the time of cancer diagnosis were important predictive factors for the prevalence of colorectal advanced neoplasms among their family members. CONCLUSION Data mining methods were found to be applicable in recognizing predictive factors of colorectal advanced neoplasms in each cluster and tree.
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http://dx.doi.org/10.15171/mejdd.2019.148DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6895854PMC
October 2019

Mapping 123 million neonatal, infant and child deaths between 2000 and 2017.

Authors:
Roy Burstein Nathaniel J Henry Michael L Collison Laurie B Marczak Amber Sligar Stefanie Watson Neal Marquez Mahdieh Abbasalizad-Farhangi Masoumeh Abbasi Foad Abd-Allah Amir Abdoli Mohammad Abdollahi Ibrahim Abdollahpour Rizwan Suliankatchi Abdulkader Michael R M Abrigo Dilaram Acharya Oladimeji M Adebayo Victor Adekanmbi Davoud Adham Mahdi Afshari Mohammad Aghaali Keivan Ahmadi Mehdi Ahmadi Ehsan Ahmadpour Rushdia Ahmed Chalachew Genet Akal Joshua O Akinyemi Fares Alahdab Noore Alam Genet Melak Alamene Kefyalew Addis Alene Mehran Alijanzadeh Cyrus Alinia Vahid Alipour Syed Mohamed Aljunid Mohammed J Almalki Hesham M Al-Mekhlafi Khalid Altirkawi Nelson Alvis-Guzman Adeladza Kofi Amegah Saeed Amini Arianna Maever Loreche Amit Zohreh Anbari Sofia Androudi Mina Anjomshoa Fereshteh Ansari Carl Abelardo T Antonio Jalal Arabloo Zohreh Arefi Olatunde Aremu Bahram Armoon Amit Arora Al Artaman Anvar Asadi Mehran Asadi-Aliabadi Amir Ashraf-Ganjouei Reza Assadi Bahar Ataeinia Sachin R Atre Beatriz Paulina Ayala Quintanilla Martin Amogre Ayanore Samad Azari Ebrahim Babaee Arefeh Babazadeh Alaa Badawi Soghra Bagheri Mojtaba Bagherzadeh Nafiseh Baheiraei Abbas Balouchi Aleksandra Barac Quique Bassat Bernhard T Baune Mohsen Bayati Neeraj Bedi Ettore Beghi Masoud Behzadifar Meysam Behzadifar Yared Belete Belay Brent Bell Michelle L Bell Dessalegn Ajema Berbada Robert S Bernstein Natalia V Bhattacharjee Suraj Bhattarai Zulfiqar A Bhutta Ali Bijani Somayeh Bohlouli Nicholas J K Breitborde Gabrielle Britton Annie J Browne Sharath Burugina Nagaraja Reinhard Busse Zahid A Butt Josip Car Rosario Cárdenas Carlos A Castañeda-Orjuela Ester Cerin Wagaye Fentahun Chanie Pranab Chatterjee Dinh-Toi Chu Cyrus Cooper Vera M Costa Koustuv Dalal Lalit Dandona Rakhi Dandona Farah Daoud Ahmad Daryani Rajat Das Gupta Ian Davis Nicole Davis Weaver Dragos Virgil Davitoiu Jan-Walter De Neve Feleke Mekonnen Demeke Gebre Teklemariam Demoz Kebede Deribe Rupak Desai Aniruddha Deshpande Hanna Demelash Desyibelew Sagnik Dey Samath Dhamminda Dharmaratne Meghnath Dhimal Daniel Diaz Leila Doshmangir Andre R Duraes Laura Dwyer-Lindgren Lucas Earl Roya Ebrahimi Soheil Ebrahimpour Andem Effiong Aziz Eftekhari Elham Ehsani-Chimeh Iman El Sayed Maysaa El Sayed Zaki Maha El Tantawi Ziad El-Khatib Mohammad Hassan Emamian Shymaa Enany Sharareh Eskandarieh Oghenowede Eyawo Maha Ezalarab Mahbobeh Faramarzi Mohammad Fareed Roghiyeh Faridnia Andre Faro Ali Akbar Fazaeli Mehdi Fazlzadeh Netsanet Fentahun Seyed-Mohammad Fereshtehnejad João C Fernandes Irina Filip Florian Fischer Nataliya A Foigt Masoud Foroutan Joel Msafiri Francis Takeshi Fukumoto Nancy Fullman Silvano Gallus Destallem Gebremedhin Gebre Tsegaye Tewelde Gebrehiwot Gebreamlak Gebremedhn Gebremeskel Bradford D Gessner Birhanu Geta Peter W Gething Reza Ghadimi Keyghobad Ghadiri Mahsa Ghajarzadeh Ahmad Ghashghaee Paramjit Singh Gill Tiffany K Gill Nick Golding Nelson G M Gomes Philimon N Gona Sameer Vali Gopalani Giuseppe Gorini Bárbara Niegia Garcia Goulart Nicholas Graetz Felix Greaves Manfred S Green Yuming Guo Arvin Haj-Mirzaian Arya Haj-Mirzaian Brian James Hall Samer Hamidi Hamidreza Haririan Josep Maria Haro Milad Hasankhani Edris Hasanpoor Amir Hasanzadeh Hadi Hassankhani Hamid Yimam Hassen Mohamed I Hegazy Delia Hendrie Fatemeh Heydarpour Thomas R Hird Chi Linh Hoang Gillian Hollerich Enayatollah Homaie Rad Mojtaba Hoseini-Ghahfarokhi Naznin Hossain Mostafa Hosseini Mehdi Hosseinzadeh Mihaela Hostiuc Sorin Hostiuc Mowafa Househ Mohamed Hsairi Olayinka Stephen Ilesanmi Mohammad Hasan Imani-Nasab Usman Iqbal Seyed Sina Naghibi Irvani Nazrul Islam Sheikh Mohammed Shariful Islam Mikk Jürisson Nader Jafari Balalami Amir Jalali Javad Javidnia Achala Upendra Jayatilleke Ensiyeh Jenabi John S Ji Yash B Jobanputra Kimberly Johnson Jost B Jonas Zahra Jorjoran Shushtari Jacek Jerzy Jozwiak Ali Kabir Amaha Kahsay Hamed Kalani Rohollah Kalhor Manoochehr Karami Surendra Karki Amir Kasaeian Nicholas J Kassebaum Peter Njenga Keiyoro Grant Rodgers Kemp Roghayeh Khabiri Yousef Saleh Khader Morteza Abdullatif Khafaie Ejaz Ahmad Khan Junaid Khan Muhammad Shahzeb Khan Young-Ho Khang Khaled Khatab Amir Khater Mona M Khater Alireza Khatony Mohammad Khazaei Salman Khazaei Maryam Khazaei-Pool Jagdish Khubchandani Neda Kianipour Yun Jin Kim Ruth W Kimokoti Damaris K Kinyoki Adnan Kisa Sezer Kisa Tufa Kolola Soewarta Kosen Parvaiz A Koul Ai Koyanagi Moritz U G Kraemer Kewal Krishan Kris J Krohn Nuworza Kugbey G Anil Kumar Manasi Kumar Pushpendra Kumar Desmond Kuupiel Ben Lacey Sheetal D Lad Faris Hasan Lami Anders O Larsson Paul H Lee Mostafa Leili Aubrey J Levine Shanshan Li Lee-Ling Lim Stefan Listl Joshua Longbottom Jaifred Christian F Lopez Stefan Lorkowski Sameh Magdeldin Hassan Magdy Abd El Razek Muhammed Magdy Abd El Razek Azeem Majeed Afshin Maleki Reza Malekzadeh Deborah Carvalho Malta Abdullah A Mamun Navid Manafi Ana-Laura Manda Morteza Mansourian Francisco Rogerlândio Martins-Melo Anthony Masaka Benjamin Ballard Massenburg Pallab K Maulik Benjamin K Mayala Mohsen Mazidi Martin McKee Ravi Mehrotra Kala M Mehta Gebrekiros Gebremichael Meles Walter Mendoza Ritesh G Menezes Atte Meretoja Tuomo J Meretoja Tomislav Mestrovic Ted R Miller Molly K Miller-Petrie Edward J Mills George J Milne G K Mini Seyed Mostafa Mir Hamed Mirjalali Erkin M Mirrakhimov Efat Mohamadi Dara K Mohammad Aso Mohammad Darwesh Naser Mohammad Gholi Mezerji Ammas Siraj Mohammed Shafiu Mohammed Ali H Mokdad Mariam Molokhia Lorenzo Monasta Yoshan Moodley Mahmood Moosazadeh Ghobad Moradi Masoud Moradi Yousef Moradi Maziar Moradi-Lakeh Mehdi Moradinazar Paula Moraga Lidia Morawska Abbas Mosapour Seyyed Meysam Mousavi Ulrich Otto Mueller Atalay Goshu Muluneh Ghulam Mustafa Behnam Nabavizadeh Mehdi Naderi Ahamarshan Jayaraman Nagarajan Azin Nahvijou Farid Najafi Vinay Nangia Duduzile Edith Ndwandwe Nahid Neamati Ionut Negoi Ruxandra Irina Negoi Josephine W Ngunjiri Huong Lan Thi Nguyen Long Hoang Nguyen Son Hoang Nguyen Katie R Nielsen Dina Nur Anggraini Ningrum Yirga Legesse Nirayo Molly R Nixon Chukwudi A Nnaji Marzieh Nojomi Mehdi Noroozi Shirin Nosratnejad Jean Jacques Noubiap Soraya Nouraei Motlagh Richard Ofori-Asenso Felix Akpojene Ogbo Kelechi E Oladimeji Andrew T Olagunju Meysam Olfatifar Solomon Olum Bolajoko Olubukunola Olusanya Mojisola Morenike Oluwasanu Obinna E Onwujekwe Eyal Oren Doris D V Ortega-Altamirano Alberto Ortiz Osayomwanbo Osarenotor Frank B Osei Aaron E Osgood-Zimmerman Stanislav S Otstavnov Mayowa Ojo Owolabi Mahesh P A Abdol Sattar Pagheh Smita Pakhale Songhomitra Panda-Jonas Animika Pandey Eun-Kee Park Hadi Parsian Tahereh Pashaei Sangram Kishor Patel Veincent Christian Filipino Pepito Alexandre Pereira Samantha Perkins Brandon V Pickering Thomas Pilgrim Majid Pirestani Bakhtiar Piroozi Meghdad Pirsaheb Oleguer Plana-Ripoll Hadi Pourjafar Parul Puri Mostafa Qorbani Hedley Quintana Mohammad Rabiee Navid Rabiee Amir Radfar Alireza Rafiei Fakher Rahim Zohreh Rahimi Vafa Rahimi-Movaghar Shadi Rahimzadeh Fatemeh Rajati Sree Bhushan Raju Azra Ramezankhani Chhabi Lal Ranabhat Davide Rasella Vahid Rashedi Lal Rawal Robert C Reiner Andre M N Renzaho Satar Rezaei Aziz Rezapour Seyed Mohammad Riahi Ana Isabel Ribeiro Leonardo Roever Elias Merdassa Roro Max Roser Gholamreza Roshandel Daem Roshani Ali Rostami Enrico Rubagotti Salvatore Rubino Siamak Sabour Nafis Sadat Ehsan Sadeghi Reza Saeedi Yahya Safari Roya Safari-Faramani Mahdi Safdarian Amirhossein Sahebkar Mohammad Reza Salahshoor Nasir Salam Payman Salamati Farkhonde Salehi Saleh Salehi Zahabi Yahya Salimi Hamideh Salimzadeh Joshua A Salomon Evanson Zondani Sambala Abdallah M Samy Milena M Santric Milicevic Bruno Piassi Sao Jose Sivan Yegnanarayana Iyer Saraswathy Rodrigo Sarmiento-Suárez Benn Sartorius Brijesh Sathian Sonia Saxena Alyssa N Sbarra Lauren E Schaeffer David C Schwebel Sadaf G Sepanlou Seyedmojtaba Seyedmousavi Faramarz Shaahmadi Masood Ali Shaikh Mehran Shams-Beyranvand Amir Shamshirian Morteza Shamsizadeh Kiomars Sharafi Mehdi Sharif Mahdi Sharif-Alhoseini Hamid Sharifi Jayendra Sharma Rajesh Sharma Aziz Sheikh Chloe Shields Mika Shigematsu Rahman Shiri Ivy Shiue Kerem Shuval Tariq J Siddiqi João Pedro Silva Jasvinder A Singh Dhirendra Narain Sinha Malede Mequanent Sisay Solomon Sisay Karen Sliwa David L Smith Ranjani Somayaji Moslem Soofi Joan B Soriano Chandrashekhar T Sreeramareddy Agus Sudaryanto Mu'awiyyah Babale Sufiyan Bryan L Sykes P N Sylaja Rafael Tabarés-Seisdedos Karen M Tabb Takahiro Tabuchi Nuno Taveira Mohamad-Hani Temsah Abdullah Sulieman Terkawi Zemenu Tadesse Tessema Kavumpurathu Raman Thankappan Sathish Thirunavukkarasu Quyen G To Marcos Roberto Tovani-Palone Bach Xuan Tran Khanh Bao Tran Irfan Ullah Muhammad Shariq Usman Olalekan A Uthman Amir Vahedian-Azimi Pascual R Valdez Job F M van Boven Tommi Juhani Vasankari Yasser Vasseghian Yousef Veisani Narayanaswamy Venketasubramanian Francesco S Violante Sergey Konstantinovitch Vladimirov Vasily Vlassov Theo Vos Giang Thu Vu Isidora S Vujcic Yasir Waheed Jon Wakefield Haidong Wang Yafeng Wang Yuan-Pang Wang Joseph L Ward Robert G Weintraub Kidu Gidey Weldegwergs Girmay Teklay Weldesamuel Ronny Westerman Charles Shey Wiysonge Dawit Zewdu Wondafrash Lauren Woyczynski Ai-Min Wu Gelin Xu Abbas Yadegar Tomohide Yamada Vahid Yazdi-Feyzabadi Christopher Sabo Yilgwan Paul Yip Naohiro Yonemoto Javad Yoosefi Lebni Mustafa Z Younis Mahmoud Yousefifard Hebat-Allah Salah A Yousof Chuanhua Yu Hasan Yusefzadeh Erfan Zabeh Telma Zahirian Moghadam Sojib Bin Zaman Mohammad Zamani Hamed Zandian Alireza Zangeneh Taddese Alemu Zerfu Yunquan Zhang Arash Ziapour Sanjay Zodpey Christopher J L Murray Simon I Hay

Nature 2019 10 16;574(7778):353-358. Epub 2019 Oct 16.

Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA, USA.

Since 2000, many countries have achieved considerable success in improving child survival, but localized progress remains unclear. To inform efforts towards United Nations Sustainable Development Goal 3.2-to end preventable child deaths by 2030-we need consistently estimated data at the subnational level regarding child mortality rates and trends. Here we quantified, for the period 2000-2017, the subnational variation in mortality rates and number of deaths of neonates, infants and children under 5 years of age within 99 low- and middle-income countries using a geostatistical survival model. We estimated that 32% of children under 5 in these countries lived in districts that had attained rates of 25 or fewer child deaths per 1,000 live births by 2017, and that 58% of child deaths between 2000 and 2017 in these countries could have been averted in the absence of geographical inequality. This study enables the identification of high-mortality clusters, patterns of progress and geographical inequalities to inform appropriate investments and implementations that will help to improve the health of all populations.
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http://dx.doi.org/10.1038/s41586-019-1545-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6800389PMC
October 2019

Global, Regional, and National Cancer Incidence, Mortality, Years of Life Lost, Years Lived With Disability, and Disability-Adjusted Life-Years for 29 Cancer Groups, 1990 to 2017: A Systematic Analysis for the Global Burden of Disease Study.

Authors:
Christina Fitzmaurice Degu Abate Naghmeh Abbasi Hedayat Abbastabar Foad Abd-Allah Omar Abdel-Rahman Ahmed Abdelalim Amir Abdoli Ibrahim Abdollahpour Abdishakur S M Abdulle Nebiyu Dereje Abebe Haftom Niguse Abraha Laith Jamal Abu-Raddad Ahmed Abualhasan Isaac Akinkunmi Adedeji Shailesh M Advani Mohsen Afarideh Mahdi Afshari Mohammad Aghaali Dominic Agius Sutapa Agrawal Ayat Ahmadi Elham Ahmadian Ehsan Ahmadpour Muktar Beshir Ahmed Mohammad Esmaeil Akbari Tomi Akinyemiju Ziyad Al-Aly Assim M AlAbdulKader Fares Alahdab Tahiya Alam Genet Melak Alamene Birhan Tamene T Alemnew Kefyalew Addis Alene Cyrus Alinia Vahid Alipour Syed Mohamed Aljunid Fatemeh Allah Bakeshei Majid Abdulrahman Hamad Almadi Amir Almasi-Hashiani Ubai Alsharif Shirina Alsowaidi Nelson Alvis-Guzman Erfan Amini Saeed Amini Yaw Ampem Amoako Zohreh Anbari Nahla Hamed Anber Catalina Liliana Andrei Mina Anjomshoa Fereshteh Ansari Ansariadi Ansariadi Seth Christopher Yaw Appiah Morteza Arab-Zozani Jalal Arabloo Zohreh Arefi Olatunde Aremu Habtamu Abera Areri Al Artaman Hamid Asayesh Ephrem Tsegay Asfaw Alebachew Fasil Ashagre Reza Assadi Bahar Ataeinia Hagos Tasew Atalay Zerihun Ataro Suleman Atique Marcel Ausloos Leticia Avila-Burgos Euripide F G A Avokpaho Ashish Awasthi Nefsu Awoke Beatriz Paulina Ayala Quintanilla Martin Amogre Ayanore Henok Tadesse Ayele Ebrahim Babaee Umar Bacha Alaa Badawi Mojtaba Bagherzadeh Eleni Bagli Senthilkumar Balakrishnan Abbas Balouchi Till Winfried Bärnighausen Robert J Battista Masoud Behzadifar Meysam Behzadifar Bayu Begashaw Bekele Yared Belete Belay Yaschilal Muche Belayneh Kathleen Kim Sachiko Berfield Adugnaw Berhane Eduardo Bernabe Mircea Beuran Nickhill Bhakta Krittika Bhattacharyya Belete Biadgo Ali Bijani Muhammad Shahdaat Bin Sayeed Charles Birungi Catherine Bisignano Helen Bitew Tone Bjørge Archie Bleyer Kassawmar Angaw Bogale Hunduma Amensisa Bojia Antonio M Borzì Cristina Bosetti Ibrahim R Bou-Orm Hermann Brenner Jerry D Brewer Andrey Nikolaevich Briko Nikolay Ivanovich Briko Maria Teresa Bustamante-Teixeira Zahid A Butt Giulia Carreras Juan J Carrero Félix Carvalho Clara Castro Franz Castro Ferrán Catalá-López Ester Cerin Yazan Chaiah Wagaye Fentahun Chanie Vijay Kumar Chattu Pankaj Chaturvedi Neelima Singh Chauhan Mohammad Chehrazi Peggy Pei-Chia Chiang Tesfaye Yitna Chichiabellu Onyema Greg Chido-Amajuoyi Odgerel Chimed-Ochir Jee-Young J Choi Devasahayam J Christopher Dinh-Toi Chu Maria-Magdalena Constantin Vera M Costa Emanuele Crocetti Christopher Stephen Crowe Maria Paula Curado Saad M A Dahlawi Giovanni Damiani Amira Hamed Darwish Ahmad Daryani José das Neves Feleke Mekonnen Demeke Asmamaw Bizuneh Demis Birhanu Wondimeneh Demissie Gebre Teklemariam Demoz Edgar Denova-Gutiérrez Afshin Derakhshani Kalkidan Solomon Deribe Rupak Desai Beruk Berhanu Desalegn Melaku Desta Subhojit Dey Samath Dhamminda Dharmaratne Meghnath Dhimal Daniel Diaz Mesfin Tadese Tadese Dinberu Shirin Djalalinia David Teye Doku Thomas M Drake Manisha Dubey Eleonora Dubljanin Eyasu Ejeta Duken Hedyeh Ebrahimi Andem Effiong Aziz Eftekhari Iman El Sayed Maysaa El Sayed Zaki Shaimaa I El-Jaafary Ziad El-Khatib Demelash Abewa Elemineh Hajer Elkout Richard G Ellenbogen Aisha Elsharkawy Mohammad Hassan Emamian Daniel Adane Endalew Aman Yesuf Endries Babak Eshrati Ibtihal Fadhil Vahid Fallah Omrani Mahbobeh Faramarzi Mahdieh Abbasalizad Farhangi Andrea Farioli Farshad Farzadfar Netsanet Fentahun Eduarda Fernandes Garumma Tolu Feyissa Irina Filip Florian Fischer James L Fisher Lisa M Force Masoud Foroutan Marisa Freitas Takeshi Fukumoto Neal D Futran Silvano Gallus Fortune Gbetoho Gankpe Reta Tsegaye Gayesa Tsegaye Tewelde Gebrehiwot Gebreamlak Gebremedhn Gebremeskel Getnet Azeze Gedefaw Belayneh K Gelaw Birhanu Geta Sefonias Getachew Kebede Embaye Gezae Mansour Ghafourifard Alireza Ghajar Ahmad Ghashghaee Asadollah Gholamian Paramjit Singh Gill Themba T G Ginindza Alem Girmay Muluken Gizaw Ricardo Santiago Gomez Sameer Vali Gopalani Giuseppe Gorini Bárbara Niegia Garcia Goulart Ayman Grada Maximiliano Ribeiro Guerra Andre Luiz Sena Guimaraes Prakash C Gupta Rahul Gupta Kishor Hadkhale Arvin Haj-Mirzaian Arya Haj-Mirzaian Randah R Hamadeh Samer Hamidi Lolemo Kelbiso Hanfore Josep Maria Haro Milad Hasankhani Amir Hasanzadeh Hamid Yimam Hassen Roderick J Hay Simon I Hay Andualem Henok Nathaniel J Henry Claudiu Herteliu Hagos D Hidru Chi Linh Hoang Michael K Hole Praveen Hoogar Nobuyuki Horita H Dean Hosgood Mostafa Hosseini Mehdi Hosseinzadeh Mihaela Hostiuc Sorin Hostiuc Mowafa Househ Mohammedaman Mama Hussen Bogdan Ileanu Milena D Ilic Kaire Innos Seyed Sina Naghibi Irvani Kufre Robert Iseh Sheikh Mohammed Shariful Islam Farhad Islami Nader Jafari Balalami Morteza Jafarinia Leila Jahangiry Mohammad Ali Jahani Nader Jahanmehr Mihajlo Jakovljevic Spencer L James Mehdi Javanbakht Sudha Jayaraman Sun Ha Jee Ensiyeh Jenabi Ravi Prakash Jha Jost B Jonas Jitendra Jonnagaddala Tamas Joo Suresh Banayya Jungari Mikk Jürisson Ali Kabir Farin Kamangar André Karch Narges Karimi Ansar Karimian Amir Kasaeian Gebremicheal Gebreslassie Kasahun Belete Kassa Tesfaye Dessale Kassa Mesfin Wudu Kassaw Anil Kaul Peter Njenga Keiyoro Abraham Getachew Kelbore Amene Abebe Kerbo Yousef Saleh Khader Maryam Khalilarjmandi Ejaz Ahmad Khan Gulfaraz Khan Young-Ho Khang Khaled Khatab Amir Khater Maryam Khayamzadeh Maryam Khazaee-Pool Salman Khazaei Abdullah T Khoja Mohammad Hossein Khosravi Jagdish Khubchandani Neda Kianipour Daniel Kim Yun Jin Kim Adnan Kisa Sezer Kisa Katarzyna Kissimova-Skarbek Hamidreza Komaki Ai Koyanagi Kristopher J Krohn Burcu Kucuk Bicer Nuworza Kugbey Vivek Kumar Desmond Kuupiel Carlo La Vecchia Deepesh P Lad Eyasu Alem Lake Ayenew Molla Lakew Dharmesh Kumar Lal Faris Hasan Lami Qing Lan Savita Lasrado Paolo Lauriola Jeffrey V Lazarus James Leigh Cheru Tesema Leshargie Yu Liao Miteku Andualem Limenih Stefan Listl Alan D Lopez Platon D Lopukhov Raimundas Lunevicius Mohammed Madadin Sameh Magdeldin Hassan Magdy Abd El Razek Azeem Majeed Afshin Maleki Reza Malekzadeh Ali Manafi Navid Manafi Wondimu Ayele Manamo Morteza Mansourian Mohammad Ali Mansournia Lorenzo Giovanni Mantovani Saman Maroufizadeh Santi Martini S Martini Tivani Phosa Mashamba-Thompson Benjamin Ballard Massenburg Motswadi Titus Maswabi Manu Raj Mathur Colm McAlinden Martin McKee Hailemariam Abiy Alemu Meheretu Ravi Mehrotra Varshil Mehta Toni Meier Yohannes A Melaku Gebrekiros Gebremichael Meles Hagazi Gebre Meles Addisu Melese Mulugeta Melku Peter T N Memiah Walter Mendoza Ritesh G Menezes Shahin Merat Tuomo J Meretoja Tomislav Mestrovic Bartosz Miazgowski Tomasz Miazgowski Kebadnew Mulatu M Mihretie Ted R Miller Edward J Mills Seyed Mostafa Mir Hamed Mirzaei Hamid Reza Mirzaei Rashmi Mishra Babak Moazen Dara K Mohammad Karzan Abdulmuhsin Mohammad Yousef Mohammad Aso Mohammad Darwesh Abolfazl Mohammadbeigi Hiwa Mohammadi Moslem Mohammadi Mahdi Mohammadian Abdollah Mohammadian-Hafshejani Milad Mohammadoo-Khorasani Reza Mohammadpourhodki Ammas Siraj Mohammed Jemal Abdu Mohammed Shafiu Mohammed Farnam Mohebi Ali H Mokdad Lorenzo Monasta Yoshan Moodley Mahmood Moosazadeh Maryam Moossavi Ghobad Moradi Mohammad Moradi-Joo Maziar Moradi-Lakeh Farhad Moradpour Lidia Morawska Joana Morgado-da-Costa Naho Morisaki Shane Douglas Morrison Abbas Mosapour Seyyed Meysam Mousavi Achenef Asmamaw Muche Oumer Sada S Muhammed Jonah Musa Ashraf F Nabhan Mehdi Naderi Ahamarshan Jayaraman Nagarajan Gabriele Nagel Azin Nahvijou Gurudatta Naik Farid Najafi Luigi Naldi Hae Sung Nam Naser Nasiri Javad Nazari Ionut Negoi Subas Neupane Polly A Newcomb Haruna Asura Nggada Josephine W Ngunjiri Cuong Tat Nguyen Leila Nikniaz Dina Nur Anggraini Ningrum Yirga Legesse Nirayo Molly R Nixon Chukwudi A Nnaji Marzieh Nojomi Shirin Nosratnejad Malihe Nourollahpour Shiadeh Mohammed Suleiman Obsa Richard Ofori-Asenso Felix Akpojene Ogbo In-Hwan Oh Andrew T Olagunju Tinuke O Olagunju Mojisola Morenike Oluwasanu Abidemi E Omonisi Obinna E Onwujekwe Anu Mary Oommen Eyal Oren Doris D V Ortega-Altamirano Erika Ota Stanislav S Otstavnov Mayowa Ojo Owolabi Mahesh P A Jagadish Rao Padubidri Smita Pakhale Amir H Pakpour Adrian Pana Eun-Kee Park Hadi Parsian Tahereh Pashaei Shanti Patel Snehal T Patil Alyssa Pennini David M Pereira Cristiano Piccinelli Julian David Pillay Majid Pirestani Farhad Pishgar Maarten J Postma Hadi Pourjafar Farshad Pourmalek Akram Pourshams Swayam Prakash Narayan Prasad Mostafa Qorbani Mohammad Rabiee Navid Rabiee Amir Radfar Alireza Rafiei Fakher Rahim Mahdi Rahimi Muhammad Aziz Rahman Fatemeh Rajati Saleem M Rana Samira Raoofi Goura Kishor Rath David Laith Rawaf Salman Rawaf Robert C Reiner Andre M N Renzaho Nima Rezaei Aziz Rezapour Ana Isabel Ribeiro Daniela Ribeiro Luca Ronfani Elias Merdassa Roro Gholamreza Roshandel Ali Rostami Ragy Safwat Saad Parisa Sabbagh Siamak Sabour Basema Saddik Saeid Safiri Amirhossein Sahebkar Mohammad Reza Salahshoor Farkhonde Salehi Hosni Salem Marwa Rashad Salem Hamideh Salimzadeh Joshua A Salomon Abdallah M Samy Juan Sanabria Milena M Santric Milicevic Benn Sartorius Arash Sarveazad Brijesh Sathian Maheswar Satpathy Miloje Savic Monika Sawhney Mehdi Sayyah Ione J C Schneider Ben Schöttker Mario Sekerija Sadaf G Sepanlou Masood Sepehrimanesh Seyedmojtaba Seyedmousavi Faramarz Shaahmadi Hosein Shabaninejad Mohammad Shahbaz Masood Ali Shaikh Amir Shamshirian Morteza Shamsizadeh Heidar Sharafi Zeinab Sharafi Mehdi Sharif Ali Sharifi Hamid Sharifi Rajesh Sharma Aziz Sheikh Reza Shirkoohi Sharvari Rahul Shukla Si Si Soraya Siabani Diego Augusto Santos Silva Dayane Gabriele Alves Silveira Ambrish Singh Jasvinder A Singh Solomon Sisay Freddy Sitas Eugène Sobngwi Moslem Soofi Joan B Soriano Vasiliki Stathopoulou Mu'awiyyah Babale Sufiyan Rafael Tabarés-Seisdedos Takahiro Tabuchi Ken Takahashi Omid Reza Tamtaji Mohammed Rasoul Tarawneh Segen Gebremeskel Tassew Parvaneh Taymoori Arash Tehrani-Banihashemi Mohamad-Hani Temsah Omar Temsah Berhe Etsay Tesfay Fisaha Haile Tesfay Manaye Yihune Teshale Gizachew Assefa Tessema Subash Thapa Kenean Getaneh Tlaye Roman Topor-Madry Marcos Roberto Tovani-Palone Eugenio Traini Bach Xuan Tran Khanh Bao Tran Afewerki Gebremeskel Tsadik Irfan Ullah Olalekan A Uthman Marco Vacante Maryam Vaezi Patricia Varona Pérez Yousef Veisani Simone Vidale Francesco S Violante Vasily Vlassov Stein Emil Vollset Theo Vos Kia Vosoughi Giang Thu Vu Isidora S Vujcic Henry Wabinga Tesfahun Mulatu Wachamo Fasil Shiferaw Wagnew Yasir Waheed Fitsum Weldegebreal Girmay Teklay Weldesamuel Tissa Wijeratne Dawit Zewdu Wondafrash Tewodros Eshete Wonde Adam Belay Wondmieneh Hailemariam Mekonnen Workie Rajaram Yadav Abbas Yadegar Ali Yadollahpour Mehdi Yaseri Vahid Yazdi-Feyzabadi Alex Yeshaneh Mohammed Ahmed Yimam Ebrahim M Yimer Engida Yisma Naohiro Yonemoto Mustafa Z Younis Bahman Yousefi Mahmoud Yousefifard Chuanhua Yu Erfan Zabeh Vesna Zadnik Telma Zahirian Moghadam Zoubida Zaidi Mohammad Zamani Hamed Zandian Alireza Zangeneh Leila Zaki Kazem Zendehdel Zerihun Menlkalew Zenebe Taye Abuhay Zewale Arash Ziapour Sanjay Zodpey Christopher J L Murray

JAMA Oncol 2019 12;5(12):1749-1768

Institute for Health Metrics and Evaluation, University of Washington, Seattle.

Importance: Cancer and other noncommunicable diseases (NCDs) are now widely recognized as a threat to global development. The latest United Nations high-level meeting on NCDs reaffirmed this observation and also highlighted the slow progress in meeting the 2011 Political Declaration on the Prevention and Control of Noncommunicable Diseases and the third Sustainable Development Goal. Lack of situational analyses, priority setting, and budgeting have been identified as major obstacles in achieving these goals. All of these have in common that they require information on the local cancer epidemiology. The Global Burden of Disease (GBD) study is uniquely poised to provide these crucial data.

Objective: To describe cancer burden for 29 cancer groups in 195 countries from 1990 through 2017 to provide data needed for cancer control planning.

Evidence Review: We used the GBD study estimation methods to describe cancer incidence, mortality, years lived with disability, years of life lost, and disability-adjusted life-years (DALYs). Results are presented at the national level as well as by Socio-demographic Index (SDI), a composite indicator of income, educational attainment, and total fertility rate. We also analyzed the influence of the epidemiological vs the demographic transition on cancer incidence.

Findings: In 2017, there were 24.5 million incident cancer cases worldwide (16.8 million without nonmelanoma skin cancer [NMSC]) and 9.6 million cancer deaths. The majority of cancer DALYs came from years of life lost (97%), and only 3% came from years lived with disability. The odds of developing cancer were the lowest in the low SDI quintile (1 in 7) and the highest in the high SDI quintile (1 in 2) for both sexes. In 2017, the most common incident cancers in men were NMSC (4.3 million incident cases); tracheal, bronchus, and lung (TBL) cancer (1.5 million incident cases); and prostate cancer (1.3 million incident cases). The most common causes of cancer deaths and DALYs for men were TBL cancer (1.3 million deaths and 28.4 million DALYs), liver cancer (572 000 deaths and 15.2 million DALYs), and stomach cancer (542 000 deaths and 12.2 million DALYs). For women in 2017, the most common incident cancers were NMSC (3.3 million incident cases), breast cancer (1.9 million incident cases), and colorectal cancer (819 000 incident cases). The leading causes of cancer deaths and DALYs for women were breast cancer (601 000 deaths and 17.4 million DALYs), TBL cancer (596 000 deaths and 12.6 million DALYs), and colorectal cancer (414 000 deaths and 8.3 million DALYs).

Conclusions And Relevance: The national epidemiological profiles of cancer burden in the GBD study show large heterogeneities, which are a reflection of different exposures to risk factors, economic settings, lifestyles, and access to care and screening. The GBD study can be used by policy makers and other stakeholders to develop and improve national and local cancer control in order to achieve the global targets and improve equity in cancer care.
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http://dx.doi.org/10.1001/jamaoncol.2019.2996DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6777271PMC
December 2019

Global, Regional, and National Cancer Incidence, Mortality, Years of Life Lost, Years Lived With Disability, and Disability-Adjusted Life-Years for 29 Cancer Groups, 1990 to 2016: A Systematic Analysis for the Global Burden of Disease Study.

Authors:
Christina Fitzmaurice Tomi F Akinyemiju Faris Hasan Al Lami Tahiya Alam Reza Alizadeh-Navaei Christine Allen Ubai Alsharif Nelson Alvis-Guzman Erfan Amini Benjamin O Anderson Olatunde Aremu Al Artaman Solomon Weldegebreal Asgedom Reza Assadi Tesfay Mehari Atey Leticia Avila-Burgos Ashish Awasthi Huda Omer Ba Saleem Aleksandra Barac James R Bennett Isabela M Bensenor Nickhill Bhakta Hermann Brenner Lucero Cahuana-Hurtado Carlos A Castañeda-Orjuela Ferrán Catalá-López Jee-Young Jasmine Choi Devasahayam Jesudas Christopher Sheng-Chia Chung Maria Paula Curado Lalit Dandona Rakhi Dandona José das Neves Subhojit Dey Samath D Dharmaratne David Teye Doku Tim R Driscoll Manisha Dubey Hedyeh Ebrahimi Dumessa Edessa Ziad El-Khatib Aman Yesuf Endries Florian Fischer Lisa M Force Kyle J Foreman Solomon Weldemariam Gebrehiwot Sameer Vali Gopalani Giuseppe Grosso Rahul Gupta Bishal Gyawali Randah Ribhi Hamadeh Samer Hamidi James Harvey Hamid Yimam Hassen Roderick J Hay Simon I Hay Behzad Heibati Molla Kahssay Hiluf Nobuyuki Horita H Dean Hosgood Olayinka S Ilesanmi Kaire Innos Farhad Islami Mihajlo B Jakovljevic Sarah Charlotte Johnson Jost B Jonas Amir Kasaeian Tesfaye Dessale Kassa Yousef Saleh Khader Ejaz Ahmad Khan Gulfaraz Khan Young-Ho Khang Mohammad Hossein Khosravi Jagdish Khubchandani Jacek A Kopec G Anil Kumar Michael Kutz Deepesh Pravinkumar Lad Alessandra Lafranconi Qing Lan Yirga Legesse James Leigh Shai Linn Raimundas Lunevicius Azeem Majeed Reza Malekzadeh Deborah Carvalho Malta Lorenzo G Mantovani Brian J McMahon Toni Meier Yohannes Adama Melaku Mulugeta Melku Peter Memiah Walter Mendoza Tuomo J Meretoja Haftay Berhane Mezgebe Ted R Miller Shafiu Mohammed Ali H Mokdad Mahmood Moosazadeh Paula Moraga Seyyed Meysam Mousavi Vinay Nangia Cuong Tat Nguyen Vuong Minh Nong Felix Akpojene Ogbo Andrew Toyin Olagunju Mahesh Pa Eun-Kee Park Tejas Patel David M Pereira Farhad Pishgar Maarten J Postma Farshad Pourmalek Mostafa Qorbani Anwar Rafay Salman Rawaf David Laith Rawaf Gholamreza Roshandel Saeid Safiri Hamideh Salimzadeh Juan Ramon Sanabria Milena M Santric Milicevic Benn Sartorius Maheswar Satpathy Sadaf G Sepanlou Katya Anne Shackelford Masood Ali Shaikh Mahdi Sharif-Alhoseini Jun She Min-Jeong Shin Ivy Shiue Mark G Shrime Abiy Hiruye Sinke Mekonnen Sisay Amber Sligar Muawiyyah Babale Sufiyan Bryan L Sykes Rafael Tabarés-Seisdedos Gizachew Assefa Tessema Roman Topor-Madry Tung Thanh Tran Bach Xuan Tran Kingsley Nnanna Ukwaja Vasiliy Victorovich Vlassov Stein Emil Vollset Elisabete Weiderpass Hywel C Williams Nigus Bililign Yimer Naohiro Yonemoto Mustafa Z Younis Christopher J L Murray Mohsen Naghavi

JAMA Oncol 2018 11;4(11):1553-1568

Institute for Health Metrics and Evaluation, University of Washington, Seattle.

Importance: The increasing burden due to cancer and other noncommunicable diseases poses a threat to human development, which has resulted in global political commitments reflected in the Sustainable Development Goals as well as the World Health Organization (WHO) Global Action Plan on Non-Communicable Diseases. To determine if these commitments have resulted in improved cancer control, quantitative assessments of the cancer burden are required.

Objective: To assess the burden for 29 cancer groups over time to provide a framework for policy discussion, resource allocation, and research focus.

Evidence Review: Cancer incidence, mortality, years lived with disability, years of life lost, and disability-adjusted life-years (DALYs) were evaluated for 195 countries and territories by age and sex using the Global Burden of Disease study estimation methods. Levels and trends were analyzed over time, as well as by the Sociodemographic Index (SDI). Changes in incident cases were categorized by changes due to epidemiological vs demographic transition.

Findings: In 2016, there were 17.2 million cancer cases worldwide and 8.9 million deaths. Cancer cases increased by 28% between 2006 and 2016. The smallest increase was seen in high SDI countries. Globally, population aging contributed 17%; population growth, 12%; and changes in age-specific rates, -1% to this change. The most common incident cancer globally for men was prostate cancer (1.4 million cases). The leading cause of cancer deaths and DALYs was tracheal, bronchus, and lung cancer (1.2 million deaths and 25.4 million DALYs). For women, the most common incident cancer and the leading cause of cancer deaths and DALYs was breast cancer (1.7 million incident cases, 535 000 deaths, and 14.9 million DALYs). In 2016, cancer caused 213.2 million DALYs globally for both sexes combined. Between 2006 and 2016, the average annual age-standardized incidence rates for all cancers combined increased in 130 of 195 countries or territories, and the average annual age-standardized death rates decreased within that timeframe in 143 of 195 countries or territories.

Conclusions And Relevance: Large disparities exist between countries in cancer incidence, deaths, and associated disability. Scaling up cancer prevention and ensuring universal access to cancer care are required for health equity and to fulfill the global commitments for noncommunicable disease and cancer control.
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http://dx.doi.org/10.1001/jamaoncol.2018.2706DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6248091PMC
November 2018

Annual Trends of Gastrointestinal Cancers Mortality in Iran During 1990-2015; NASBOD Study.

Arch Iran Med 2018 02 1;21(2):46-55. Epub 2018 Feb 1.

Digestive Oncology Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran.

Background: Gastrointestinal (GI) neoplasms are among the most common cancers in Iran. This study aimed to measure annual trends in mortality rates from GI cancers in Iran between 1990 and 2015.

Methods: This study was part of an ongoing study termed the 'National and Subnational Burden of Diseases' study in Iran. Data used in this study was obtained from the Iranian Death Registration System (1995 to 2010) and from 2 major cemeteries in Tehran (1995 to 2010) and Isfahan (2007 to 2010). All-cause mortality rates were estimated using the spatio-temporal model and the Gaussian process regression model. Age-standardized mortality rates (ASMR) per 100 000 person-years was calculated using data from Iran and the standard world population for comparison.

Results: Among GI cancers, gastric cancer represented the leading cause of mortality followed by cancers of the esophagus, liver, and colorectal cancers with the ASMR of 20.5, 5.8, 4.4, and 4.0 per 100 000 persons-years, respectively, between 1990 and 2015. While a decreasing trend occurred in mortality of esophageal, gastric, and colorectal cancers, particularly in the recent decade, we recorded an upward pattern and steady rise in mortality rates from liver, pancreatic, and gallbladder cancers during the study period. The ASMR of all studied causes were enhanced by advancing age and were found to be more prominent in adults aged 50 or older. Among all age-groups, higher death rates were detected in males versus females for all studied cancers except for gallbladder and biliary tract cancers.

Conclusion: Gastric cancer mortality is still high and death rates from several other GI cancers are increasing in the nation. Interventions for cancer prevention, early detection, and access to high quality cancer treatment services are needed to reduce GI cancer burden and death rates in Iran and in the region.
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February 2018

Feasibility of Colon Cancer Screening by Fecal Immunochemical Test in Iran.

Arch Iran Med 2017 Dec 1;20(12):726-733. Epub 2017 Dec 1.

Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Background: Colorectal cancer (CRC) is the third most common cancer in Iran, where there is no mass screening for the disease yet. We aimed to measure the feasibility of a pilot CRC screening program based on fecal immunochemical test (FIT) in Iranian population and the implications for scaling-up at the national level.

Methods: A single quantitative FIT was offered by health navigators to individuals aged between 45 and 75 years in primary health centers in rural and urban areas in Tehran. Participants who had a positive FIT were referred for colonoscopy.

Results: A total of 1044 asymptomatic average-risk individuals were enrolled. The mean age (SD) was 54.1 ± 7.0 years and nearly 63.0% (n = 657) were female. Only a small fraction of the participants had a prior screening practice (2.2%) and were aware of colon cancer (13.7%). In sum, 1002 returned the FIT kit, of whom the stool sample was unsatisfactory for testing in six participants (0.6%). The FIT uptake was 96.0%, positivity rate was 9.1% and the detection rates were 11.9% for adenomas and 7.1% for advanced adenomas. No cancer was detected. The positive predictive value (PPV) of the FIT was about 17% for any colonic neoplasms.

Conclusion: This is the first study that reports minimal quality metrics within a CRC screening process. FIT modality as a test of choice for colon cancer screening in average-risk people is a safe and highly acceptable method of screening in Iranian people. The results of the current study may not be limited to Iranians, and could have implications to other developing countries with similar trends of CRC epidemic.
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December 2017

Motivational interviewing and screening colonoscopy in high-risk individuals. A randomized controlled trial.

Patient Educ Couns 2018 06 7;101(6):1082-1087. Epub 2018 May 7.

Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Objective: To measure the impact of motivational interviewing (MI) on cancer knowledge and screening practice among first degree relatives (FDRs) of patients with colon cancer.

Methods: This randomized controlled trial targeted patients with colon cancer first to recruit their possible FDRs. Digit randomization of the eligible index patients into intervention or control groups resulted in allocating their belonging FDRs to the same study arm. FDRs (n = 120) in intervention arm received MI counseling on phone by a trained oncology nurse and FDRs (n = 120) in control group received standard generic information by a physician on phone. Primary outcome was the rate of documented colonoscopy in FDRs within six months after the baseline.

Results: A total of 227 FDRs were followed up, 115 in the intervention and 112 in the control group. At follow-up, the uptake of screening colonoscopy in the intervention group was 83.5% versus 48.2% in controls (crude odds ratio, 5.4; 95% confidence interval, 2.9-10.0, P < .001).

Conclusion: This was the first randomized controlled trial in Iran that confirmed the efficaciousness of a phone-based MI counseling in improving colonoscopy uptake among family members of patients with colon cancer.

Practice Implications: Phone-based motivational counseling that involves trained nurses or health providers seems to be feasible approach in Iran health system and enhances screening for colon cancer.
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http://dx.doi.org/10.1016/j.pec.2018.01.015DOI Listing
June 2018

Cancer Screening Awareness and Practice in a Middle Income Country; A Systematic Review from Iran

Asian Pac J Cancer Prev 2017 12 28;18(12):3187-3194. Epub 2017 Dec 28.

Digestive Oncology Research Center, Digestive Diseases Research Institute, Tehran University of Medical Sciences, Tehran, Iran. Email:

Objective: Ageing population and noticeable changes in lifestyle in developing countries like Iran caused an increase in cancer incidence. This requires organized cancer prevention and screening programs in population level, but most importantly community should be aware of these programs and willing to use them. This study explored existing evidence on public awareness and practice, as well as, adherence to cancer screening in Iranian population. Methods: Major English databases including Web of Science, PubMed, Scopus, and domestic Persian databases i.e., SID, Magiran, and Barakat search engines were searched. All publications with focus on Iranian public awareness about cancer prevention, screening, and early detection programs which were published until August 2015, were explored in this systematic review. For this purpose, we used sensitive Persian phrases/key terms and English keywords which were extracted from medical subject headings (MeSH). Taking PRISMA guidelines into considerations eligible documents, were evaluated and abstracted by two separate reviewers. Results: We found 72 articles relevant to this topic. Screening tests were known to, or being utilized by only a limited number of Iranians. Most Iranian women relied on physical examination particularly self-examination, instead of taking mammogram, as the most standard test to find breast tumors. Less than half of the average-risk adult populations were familiar with colorectal cancer risk factors and its screening tests, and only very limited number of studies reported taking at least one time colonoscopy or FOBT, at most 5.0% and 15.0%, respectively. Around half of women were familiar with cervical cancer and Pap-smear test with less than 45% having completed at least one lifetime test. The lack of health insurance coverage was a barrier to participate in screening tests. Furthermore some people would not select to be screened only because they do not know how or where they can receive these services. Conclusion: Low awareness and suboptimal use of screening tests in Iran calls for effective programs to enhance intention and compliance to screening, improving the patient-physician communication, identifying barriers for screening and providing tailored public awareness and screening programs.
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http://dx.doi.org/10.22034/APJCP.2017.18.12.3187DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5980869PMC
December 2017

Cost-effectiveness of Screening Colonoscopy in Iranian High Risk Population.

Arch Iran Med 2017 Sep;20(9):564-571

Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Background: Colorectal cancer (CRC) is the fourth most common cancer among men and the second among women in Iran. First-Degree Relatives (FDRs) of patients with CRC are known to be at higher risk of CRC. The aim of this study was to identify the most cost-effective strategy for CRC screening in Iranian high risk individuals.

Methods: A Markov model was developed to assess the cost-effectiveness of six colonoscopy screening strategies for individuals at increased risk of CRC because of positive history of the disease in at least one first-degree relative in their family. Our strategies included five-yearly or ten-yearly colonoscopy starting from the age of 40 or 50 and colonoscopy once at 50 or 55 years. Data were extracted from the published literature, Globocan 2012 database, and national cancer registry reports. The Markov model contained 11 mutually exclusive health states. Time horizon of model was life time and cycle duration was 1 year. Outcomes included life year gains, Quality Adjusted Life Years (QALYs) and costs. The TreeAge Pro software was used for data modeling.

Results: All six screening strategies increased the life expectancy and QALY and were costlier than no screening. The incremental cost per QALY gained for CRC screening varied from $489 for one colonoscopy screening per lifetime at 55 years to $3,135 for colonoscopy screening every five years starting at the age of 40, compared with no screening. When strategies were compared with the next best strategy, dominated strategies were removed from analysis, one colonoscopy screening per lifetime at 55 years old; or every ten years starting at the age 40; or every five years starting at age 40 remained with incremental cost effective ratios of $489, $2,505, and $26,080 per QALY gained, respectively.

Conclusions: CRC colonoscopy screening in high-risk individuals is cost-effective in Iran. Colonoscopy screening every 10 years starting at the age of 40 was the most cost-effective strategy.
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http://dx.doi.org/0172009/AIM.004DOI Listing
September 2017

Cancer risk awareness and screening uptake in individuals at higher risk for colon cancer: a cross-sectional study.

BMJ Open 2016 12 20;6(12):e013833. Epub 2016 Dec 20.

Digestive Oncology Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Shariati Hospital, Tehran, Iran.

Objective: We aimed to measure cancer knowledge and feasibility of a screening colonoscopy among a cohort of individuals at higher risk of colon cancer.

Methods: This study was conducted as part of an ongoing screening cohort, in which first degree relatives (FDRs) of patients with colon cancer are invited to participate in a free of charge screening colonoscopy. We enrolled 1017 FDRs in the study between 2013 and 2014 measuring their data on demographics, cancer knowledge and colonoscopy uptake. A p value of <0.05 was considered statistically significant.

Results: The relative's mean age was 48.7 years. Only about 28% of FDRs were aware of their increased risk for cancer, near 35.0% had ever heard about colonoscopy with 22% aware of the correct age to start screening. Comparing cancer knowledge of FDRs at high risk versus those at moderate risk, we recorded non-significant differences (p>0.05). Almost two-thirds of FDRs expressed willingness to undergo a colonoscopy and 49.2% completed the procedure, of which 12.8% had advanced neoplasm.

Conclusions: Our data indicated that remarkable numbers of FDRs were not still informed of their cancer risk or never received a physician recommendation for screening. The desirable uptake at first invitation, which would be higher over successive invitations, supports the feasibility of a family-based recruitment approach for early screening. This has promising implications to introduce targeted screening colonoscopy into the healthcare system in Iran and other developing nations.
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http://dx.doi.org/10.1136/bmjopen-2016-013833DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5223631PMC
December 2016

Advanced colonic neoplasia in the first degree relatives of colon cancer patients: A colonoscopy-based study.

Int J Cancer 2016 11 10;139(10):2243-51. Epub 2016 Aug 10.

Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.

We aimed to determine the risk of advanced neoplasms among a cohort of asymptomatic first degree relatives (FDRs) of patients with sporadic colorectal cancer (CRC) compared with matched controls. Data for patients with a diagnosis of CRC made between September 2013 and August 2014 were obtained from a population-based cancer registry system in Tehran. Screening colonoscopies were done for 342 FDRs and the findings were compared to those from 342 age- and gender-matched healthy controls without a family history of CRC. We reported the association as conditional Odds Ratio (OR) using Mantel Hazel and Logistic regression. The prevalence of advanced neoplasia was 13.2% among FDRs and 3.8% in controls (matched OR [mOR], 4.0, 95% confidence interval [CI], 2.1 - 7.6; p < 0.001). In FDRs aged 40-49 years, the prevalence of advanced neoplasia was significantly higher than in their matched controls (mOR, 6.8, 95% CI, 1.5-31.4; p = 0.01). Family history of CRC in at least one FDR was the strongest predictor of advanced neoplasia (adjusted OR, 4.0, 95% CI: 2.1-7.6; p < 0.001). The age of the index case at diagnosis did not predict the presence of advanced colonic neoplasms in their FDRs. Our study indicates a high risk of advanced neoplasia in FDRs of CRC cases, where only eight colonoscopies are needed to detect one advanced neoplasia. Our data suggest that all FDRs, regardless of the age of CRC diagnosis in their index case, should be considered for a targeted early screening.
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http://dx.doi.org/10.1002/ijc.30366DOI Listing
November 2016

Prevalence of Active and Passive Smoking among Adult Population: Findings of a Population-Based Survey in Kerman (KERCADRS), Iran.

Addict Health 2016 ;8(1):16-24

Assistant Professor, Global Health Sciences, University of California, San Francisco, CA, USA AND Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran.

Background: Smoking is one of the major modifiable risk factors for non-communicable diseases. Our aim was to report the pattern of active and passive smoking using the data collected through a population-base household survey in Kerman, Iran [(KERCADRS) Kerman Coronary Artery Disease Risk Factors Study].

Methods: Using a cluster random sampling design, we recruited 5900 adult persons (15-75 years old) into our survey. After consenting, every participant was interviewed by a trained interviewer. The section for smoking included questions about daily (smoking at least one cigarette per day), non-daily, past and passive cigarette smoking as well as the duration of the exposure. We used Kerman population distribution (as the target population) to adjust our estimates using direct standardization method.

Findings: Overall, 8.3% of study participants (15.5% in men vs. 0.8% in women, P = 0.010) reported themselves as daily smokers and an additional 1.7% (2.9% in men vs. 0.4% in women, P = 0.010) as non-daily smokers. The passive smoking was common in total (27.5%), while women experienced more exposure than men (30.1% vs. 25.0%, P = 0.010). In daily smokers, 3.2% smoked more than 20 cigarettes per day. Among passive smokers, 62.6% were exposed to cigarette smoke more than 6 days per week.

Conclusion: Smoking is pretty common among adult populations, particularly in men. A majority of tobacco-free young adult women are exposed to passive smoking. Age and gender oriented interventions are required to change this risk pattern in Kerman community to prevent from further smoking related morbidities and mortalities.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4836759PMC
June 2016

Mean Polyp per Patient Is an Accurate and Readily Obtainable Surrogate for Adenoma Detection Rate: Results from an Opportunistic Screening Colonoscopy Program.

Middle East J Dig Dis 2015 Oct;7(4):214-9

Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran ; Sasan Alborz Biomedical Research Center, Masoud Gastroenterology and Hepatology Clinic, Tehran, Iran.

BACKGROUND The incidence of colorectal cancer is rising in several developing countries. In the absence of integrated endoscopy and pathology databases, adenoma detection rate (ADR), as a validated quality indicator of screening colonoscopy, is generally difficult to obtain in practice. We aimed to measure the correlation of polyp-related indicators with ADR in order to identify the most accurate surrogate(s) of ADR in routine practice. METHODS We retrospectively reviewed the endoscopic and histopathological findings of patients who underwent colonoscopy at a tertiary gastrointestinal clinic. The overall ADR and advanced-ADR were calculated using patient-level data. The Pearson's correlation coefficient (r) was applied to measure the strength of the correlation between the quality metrics obtained by endoscopists. RESULTS A total of 713 asymptomatic adults aged 50 and older who underwent their first-time screening colonoscopy were included in this study. The ADR and advanced-ADR were 33.00% (95% CI: 29.52-36.54) and 13.18% (95% CI: 10.79-15.90), respectively. We observed good correlations between polyp detection rate (PDR) and ADR (r=0.93), and mean number of polyp per patient (MPP) and ADR (r=0.88) throughout the colon. There was a positive, yet insignificant correlation between advanced ADRs and non-advanced ADRs (r=0.42, p=0.35). CONCLUSION MPP is strongly correlated with ADR, and can be considered as a reliable and readily obtainable proxy for ADR in opportunistic screening colonoscopy programs.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4655841PMC
October 2015

Physicians' Knowledge and Attitude Towards Fecal Microbiota Transplant in Iran.

Middle East J Dig Dis 2015 Jul;7:155-60

Digestive Oncology Research Center, Digestive Disease Research Institute, Tehran University of Medical Sciences, Tehran, Iran.

BACKGROUND Fecal microbiota transplant (FMT) is employed to replace the 'unhealthy' microbiota of the patient with the 'healthy' microbiota of a pre-screened healthy donor. Given the growing importance of gut microbiota dysbiosis in the pathogenesis of intestinal or extraintestinal diseases; it is conceivable that FMT becomes integrated in the routine clinical practice. Our objective was to assess the knowledge and attitude of the Iranian physicians towards FMT. METHODS We surveyed the participants of Iranian gastroenterology and hepatology 2014 conference. RESULTS Overall, 146 (68.5%) were familiar with FMT; of whom 132 (94.28%) were willing to accept FMT if scientifically and ethically approved and 115 (88.46%) were willing to refer their patients for FMT if indicated. In total, 42 (30.7%) had identified stool preparation as the most unappealing aspect of FMT, while 17 (11.6%) reported the therapeutic use of fecal material as the most unappealing and 39 (28.5%) indicated that both are equally unappealing. The doctors who had an overall positive opinion toward FMT reported less negative feelings towards FMT. CONCLUSION Iranian physicians are willing to accept FMT as a therapeutic option if it is scientifically justified and ethically approved. Nevertheless, physicians prefer to skip the stool preparation phase; as they are more in favour of synthetic microbiota as opposed to fecal microbiota.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4560629PMC
July 2015

Adenoma detection rates in an opportunistic screening colonoscopy program in Iran, a country with rising colorectal cancer incidence.

BMC Gastroenterol 2014 Nov 18;14:196. Epub 2014 Nov 18.

Background: Data on the quality of colonoscopies in populations with rising colorectal cancer (CRC) incidence is scarce. We aimed to calculate the adenoma detection rates (ADR), and assess the quality of colonoscopies in an opportunistic screening colonoscopy program in Iran.

Methods: All the colonoscopy and pathology reports of asymptomatic adults over age 50 who underwent screening colonoscopy between June 2007 and March 2013 were reviewed. The colonoscopy quality indicators including ADR were calculated, and patient factors associated with the adenoma detection were determined.

Results: A total of 713 asymptomatic adults aged 50 years and older who underwent their first-time screening colonoscopy were included in this study. ADR and advanced-ADR were 33.00% (95% CI: 29.52-36.54) and 13.18% (95% CI: 10.79-15.90), respectively. We observed a significantly higher rate of cecal intubation in patients with fair or better bowel preparation compared to those with poor prep, 90.00% vs. 70.45%, respectively (P < 0.001). Bowel preparation (adjusted OR: 2.49, 95% CI: 1.75-3.55), older age (≥60) (adjusted OR: 1.70, 95% CI: 1.22-2.36), and male gender (adjusted OR: 1.39, 95% CI: 1.01-1.92) were associated with the adenoma detection.

Conclusions: Our ADR in both genders meets and exceeds the recommended colonoscopy quality benchmarks. The polyp and adenoma detection rates in the current study are comparable to those reported from Western countries where the incidence of CRC is traditionally high. These data are in line with the epidemiologic transition of CRC in Iran.
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http://dx.doi.org/10.1186/s12876-014-0196-8DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4245784PMC
November 2014

Characteristics of colorectal polyps and cancer; a retrospective review of colonoscopy data in iran.

Middle East J Dig Dis 2014 Jul;6(3):144-50

Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran. ; Sasan Alborz Biomedical Research Center, Masoud Gastroenterology and Hepatology Center, Tehran, Iran.

BACKGROUND Early diagnosis and endoscopic resection of adenomatous polyps is the main approach for screening and prevention of colorectal cancer (CRC). We aimed to assess polyp detection rate (PDR) and to characterize demographic, clinical, and pathological features of colorectal polyps in an Iranian population. METHODS We retrospectively analyzed the data from 5427 colonoscopies performed during 2007-2012 at Masoud Clinic, the main endoscopy center associated with Sasan Alborz Biomedical Research Center, in Tehran, Iran. RESULTS Our sample included 2928 (54%) women and 2499 (46%) men, with the mean age of 48.3 years (SD=16.1). The most common reasons for colonoscopy included screening in 25.0%, and gastrointestinal bleeding in 15.2%. Cecal intubation was successful in 86% of patients. The quality of bowel preparation was fair to excellent in 78.1% (n=4235) of colonoscopies. Overall PDR was 42.0% (95% CI: 40.6-43.3). The PDR in men (51.1%, 95% CI: 49.1-53.1) was significantly higher than women (34.2%, 95% CI: 32.4-35.9, p<0.001). Polyps were more frequently observed in patients after the 6(th) decade of life (F=3.2; p=0.004). CRC was detected in 2.9% (73/2499) of men and 1.9% (57/2928) of women (p=0.02). The mean age for patients with cancer was significantly higher than that for individuals with polyps, 60.9 (SD=13.4) year vs. 56.9 (SD=13.7) year, respectively (p=0.001). Almost 82.8% of the lesions were precancerous with tubular type predominance (62.3%) followed by tubulo-villous (10.3%), villous (6.6%), and serrated (3.6%). Hyperplastic/inflammatory polyps comprised 17.2% of lesions. CONCLUSION Distal colon was more prone to develop polyps and cancer than proximal colon in our series. These findings provide a great infrastructure for next preventive programs and have implications for colorectal cancer screening at population-level.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4119671PMC
July 2014

Perception of breast cancer screening among Iranian women without experience of mammography: a qualitative study.

Asian Pac J Cancer Prev 2014 ;15(9):3965-71

Department of Health Education and Promotion, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran E-mail :

Background: In Iran, there are high rates of breast cancer. It is among the five most common cancers, the first among cancers diagnosed, and is the leading cause of cancer deaths among Iranian women.

Objectives: The purpose of this qualitative study was to explore perception of breast cancer screening among Iranian women who have never had a mammograph.

Materials And Methods: The current study was part of a qualitative research conducted by means of content analysis method and purposive sampling of 16 women over the age of 30 years who had not undergone mammography using individual semi-structured interviews. Interviews were recorded and transcribed verbatim. The data were under continuous consideration and comparative analysis in order to achieve data saturation.

Results: After codification of data, three concept categories were achieved including: i) low awareness, ii) worries, and iii) lack of motivation.

Conclusions: Although there is a tendency among Iranian women to participate in breast cancer screening, there is a powerful cultural belief that breasts are sexual organs that should not be discussed publicly. Due to the incidence of breast cancer in Iranian women, it is critical that breast awareness education be performed by health care experts to explore the concepts of breast cancer and breast cancer screening.
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http://dx.doi.org/10.7314/apjcp.2014.15.9.3965DOI Listing
March 2016

Trends of Obesity in Iranian Adults from 1990s to late 2000s; a Systematic Review and Meta-analysis.

Middle East J Dig Dis 2013 Jul;5(3):151-7

Research Center for Modeling in Health, Institute for Futures Studies in Health, Kerman University of Medical Sciences, Kerman, Iran ; Kerman Physiology Research Center, Kerman University of Medical Sciences, Kerman, Iran.

Background: Obesity is currently emerging as a global epidemic, affecting 10% of adultpopulation worldwide. The primary objective of the current systematic reviewis to describe the trend of overall prevalence of obesity in Iranian women andmenthrough a meta-analysis.

Methods: We searched the medical literature published from 1990 to 2007 in Medline(PubMed), EMBASE database, and the Iranian digital library. All publishedreports of research projects, papers in relevant congresses, unpublished crudedata analysis, proceedings, books and dissertations were reviewed. Data fromeligible papers that fulfilled the qualification criteria entered meta-analysis(Random Model).

Results: Data from 209,166 individuals were analyzed. The overall prevalence ofobesity in adults was 18.5% (95%CI: 15.1-21.8), respectively. The prevalenceof obesity in men and women was 12.9% (95%CI: 10.9-14.9) and 26.2%(95%CI: 21.3-30.5), respectively. The trend of obesity was similar in both genders;women had almost a constantly higher risk of obesity than men duringthe recent two decades.

Conclusion: Data from 209,166 individuals were analyzed. The overall prevalence ofobesity in adults was 18.5% (95%CI: 15.1-21.8), respectively. The prevalenceof obesity in men and women was 12.9% (95%CI: 10.9-14.9) and 26.2%(95%CI: 21.3-30.5), respectively. The trend of obesity was similar in both genders;women had almost a constantly higher risk of obesity than men duringthe recent two decades.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3990178PMC
July 2013

Psycho-social Determinants of Colorectal Cancer Screening in Iran.

Int J Prev Med 2014 Feb;5(2):185-90

Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Background: Colorectal cancer (CRC) is the third most prevalent cancer among Iranians, and threatens them at younger ages. This study was guided by the theoretical concepts of the preventive health model (PHM) to assess the attitudes and beliefs of Iranians towards CRC screening.

Methods: This cross-sectional study was conducted with participation of 200 individuals aged 50 years or older in a Teaching Hospital in Tehran, Iran. Background characteristics (e.g., age, gender, marital status) were assessed and a validated instrument drawn from the PHM was applied to measure cognitive and psychosocial variables (i.e., self-efficacy, intention to screening, perceived susceptibility, cancer worries, response efficacy, and social support). Data were collected via face-to-face interviews and analyzed using the SPSS version 13.00 for Windows.

Results: The age of the participants ranged from 50 years to 83 years (mean 60.13). Most respondents were married (62.5%), unemployed (42%), and had secondary or higher education (44.5%). Overall, 11% of respondents reported prior screening. Individuals obtained relatively poor scores on self-efficacy, intention to screening, perceived susceptibility, cancer worries, response efficacy, and social support.

Conclusions: In this study, individuals mostly reported poor attitude in regard to CRC screening. The results of the present study could guide policy makers in designing tailored interventions to increase the participation of individuals in screening programs.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3950741PMC
February 2014

Quality evaluation of national cancer registry system in Iran: study protocol.

Arch Iran Med 2014 Mar;17(3):193-7

Non-communicable Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, TehranUniversity of Medical Sciences, Tehran, Iran, Endocrinology and Metabolism Research center, Endocrinology and Metabolism Research Institute, Tehran University of Medical Sciences, Tehran, Iran.

Background: Cancer registry can be a very important component of health information system in developing countries. Routine collection of data and ongoing monitoring of their quality can have a crucial role in priority setting and evidence-based policy making for controlling cancers and trends follow-up in low and middle-income countries. Evaluation of cancer registered data consists of four important components including: comparability, completeness, validity, and timeliness. Similar frameworks are utilized in different countries all over the world.

Methods And Materials: We will use the national annual cancer registry reports in Iran alone or perhaps along with other Iranian published reports about childhood cancer incidence to determine the stability and trend of incidence rates over time and compare above mentioned reports with childhood cancer incidence data reported by other countries through a systematic review as well as in some cases meta-analysis in order to assess data quality. Data will also be collected from other sources such as death certificates to estimate mortality rates and other different methods will also be additionally applied, by use of which death certificates would be utilized to assess the quality of data, too.

Conclusion: As the first step for proper measuring incidence rate of all types of cancers all over the country, we will assess and evaluate reported national cancer registry data in Iran in order to estimate the national burden of cancers in 1990 - 2013.
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http://dx.doi.org/0141703/AIM.0010DOI Listing
March 2014

The trend of national and sub-national burden of gastrointestinal and liver diseases in Iran 1990 to 2013; study protocol.

Arch Iran Med 2014 Jan;17(1):33-53

Digestive Oncology Research Center, Digestive Disease Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Background: It is expected that gastrointestinal (GI) and liver diseases inflict considerable burden on health systems in Iran; therefore, highlighting the significance of GI disorders across the other most burdensome diseases requires comprehensive assessment and regular updates of the statistics of such diseases in Iran.

Objective: To assess in-depth sub-national estimates and trends for the incidence and prevalence of selected GI and liver diseases by age, gender and province over the period 1990 - 2013 in Iran.

Methods: This is a national and sub-national burden of disease study on 21 GI diseases using all available data sources, including cancer registry, death registration system data, hospital data, and all available published data. Analyses will be performed separately by gender, age groups, year, and province. We will conduct 21 separated systematic reviews of the literature for 21 diseases categories through searching online international electronic databases (i.e. the Medline database of the National Library of Medicine, Web of Science, and Scopus), Iranian search engines (i.e., IranMedex, Scientific Information Database (SID), and IRANDOC), and gray literature. We will search the medical literature published between January 1985 and December 2013. We generated two models, Spatio-temporal and Multilevel Autoregressive models, to estimate mean and uncertainty interval for the parameters of interest by gender, age, year, and province. The models will be informed by data of gender, age, year, and province. Markov Chain Monte Carlo (MCMC) methods will be used to perform Bayesian inference in both modeling framework. All programs will be written in R statistical packages (version 3.0.1).

Results: We will calculate and present 1990 to 2013 trends in terms of prevalence, years of life lost due to premature mortality (YLLs), years lived with disability (YLDs), and disability-adjusted life years DALYs for the 21 selected GI diseases by gender, and province. We will also quantify the uncertainty interval for the estimates of interest.

Conclusion: Results of the present study will have implications for policy making; as they allow for understanding geographic distributions of the selected GI diseases, and identifying health disparities across provinces.
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http://dx.doi.org/0141701/AIM.008DOI Listing
January 2014

Effectiveness of a theory-based intervention to increase colorectal cancer screening among Iranian health club members: a randomized trial.

J Behav Med 2014 Oct 13;37(5):1019-29. Epub 2013 Sep 13.

Digestive Diseases Research Center, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.

Colorectal cancer is the third most commonly diagnosed cancer and the fourth leading cause of death in the world. There are few published studies that have used theory-based interventions designed to increase colorectal cancer screening in community lay health organizations. The present study was guided by the theoretical concepts of the preventive health model. Twelve health clubs of a municipal district in Tehran were randomized to two study groups with equal ratio. The control group received usual services throughout the study while the intervention group also received a theory-based educational program on colorectal cancer screening plus a reminder call. Screening behavior, the main outcome, was assessed 4 months after randomization. A total of 360 members aged 50 and older from 12 health clubs completed a baseline survey. Participants in the intervention group reported increased knowledge of colorectal cancer and screening tests at 4 months follow-up (p's < .001). Moreover, exposure to the theory-based intervention significantly improved self-efficacy, perceived susceptibility, efficacy of screening, social support, and intention to be screened for colorectal cancer, from baseline to 4 months follow-up (p's < .001). The screening rate for colorectal cancer was significantly higher in the intervention group compared to the control group (odds ratio = 15.93, 95% CI = 5.57, 45.53). Our theory-based intervention was found to have a significant effect on colorectal cancer screening use as measured by self-report. The findings could have implications for colorectal cancer screening program development and implementation in primary health care settings and through other community organizations.
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http://dx.doi.org/10.1007/s10865-013-9533-6DOI Listing
October 2014

Knowledge and practice of iranians toward colorectal cancer, and barriers to screening.

Int J Prev Med 2012 Jan;3(1):29-35

Health Education and Promotion Department, Health Faculty, Tehran University of Medical Sciences, Tehran, Iran.

Background: Colorectal cancer (CRC) is the third most common malignancy in Iran. Limited data are available on knowledge and barriers in regard to CRC and screening tests in Iran. The aim of the study was to characterize knowledge, practice, and barriers toward CRC and its screening tests among an Iranian at-risk population.

Methods: This cross-sectional study was conducted with participation of 200 individuals of both genders aged 50 years or older in a teaching hospital in Tehran, Iran. Data were collected via face-to-face interviews. A questionnaire containing demographics; knowledge about CRC and screening tests; screening practice; and reasons for not being screened was administered. The reliability alpha for knowledge items was 0.52.

Results: The age of the participants ranged from 50 to 83 years (mean 60.13). Overall, 11% of the respondents reported prior screening by either fecal occult blood test (6.5%) or colonoscopy (4.5%). The majority of individuals had poor knowledge although respondents with prior screening obtained slightly higher score in comparison with nonparticipants in screening (26.74 vs. 23.24; P<0.05). Four commonly cited reasons for not having CRC tests were "doctor did not recommend the test," "did not think it was needed," "never think of the test," and "no symptoms/problems" which were reported by 29%, 26%, 20%, and 17% of the participants, respectively.

Conclusion: It is necessary to design appropriate educational interventions to increase the general population's knowledge about CRC and screening before implementing preventive programs in Iran.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3278866PMC
January 2012

More than half of senior residents in Tehran have never heard about colorectal cancer screening.

Asian Pac J Cancer Prev 2011 ;12(11):2851-6

Health Education and Promotion Department, School of Public Health, Tehran University of Medical Sciences Tehran, Iran.

Background: Colorectal cancer (CRC) is the third most prevalent malignancy in Iran. Although adequate knowledge about CRC and screening tests has a significant effect on screening behavior, there is still no clear information in this regard in Iran. The aim of the study was therefore to identify knowledge toward CRC and obstacles to screening tests among an Iranian population.

Methods: We conducted a preliminary analysis with baseline data drawn from an ongoing randomized community trial among people aged 50 years and over in municipal district 6 in Tehran. A total of 360 members of health houses, who were not being exposed to CRC screening tests, completed the baseline survey and randomized to two study groups. Data were collected via personal interviews by 12 trained interviewers for demographics, knowledge related to CRC, and barriers to screening tests.

Results: The mean age was 58.0 (± 7.13) ranging from 50 to 86 years; 69% were female, 52% were unemployed, 65% had completed high school, and 90% had medical insurance. A considerable number of respondents stated that they had never heard about fecal occult blood test (61%) and colonoscopy (51%) as CRC screening tests. In general, participants were more likely to respond the knowledge items inaccurately. Four commonly stated reasons for not being screened were "absence of clinical symptoms" (29%); "doctor did not recommend the test" (26%); "never think of the test" (22%); and "did not think it was needed" (11%).

Conclusion: Our findings indicated that lack of knowledge about CRC and various barriers to screening tests exist among Iranians. Our results may facilitate the development of effective educational strategies primarily aimed at high-risk people.
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July 2012