Stephan Ehrhardt

Stephan Ehrhardt

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Stephan Ehrhardt

Stephan Ehrhardt

Publications by authors named "Stephan Ehrhardt"

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Escitalopram for agitation in Alzheimer's disease (S-CitAD): Methods and design of an investigator-initiated, randomized, controlled, multicenter clinical trial.

Alzheimers Dement 2019 Oct 3. Epub 2019 Oct 3.

Division of Geriatric Psychiatry and Neuropsychiatry, Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine and Johns Hopkins Bayview Medical Center, Baltimore, MD, USA.

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http://dx.doi.org/10.1016/j.jalz.2019.06.4946DOI Listing
October 2019

Internalizing symptoms in very low birth weight preschoolers: Symptom level and risk factors from four rating perspectives in a controlled multicenter study.

J Affect Disord 2019 03 17;246:74-81. Epub 2018 Dec 17.

Department of Child and Adolescent Psychiatry, Psychotherapy, and Psychosomatics, Center for Psychosocial Medicine, University Medical Center Hamburg-Eppendorf, Martinistr. 52, W29, 20246 Hamburg, Germany.

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https://linkinghub.elsevier.com/retrieve/pii/S01650327173245
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http://dx.doi.org/10.1016/j.jad.2018.12.025DOI Listing
March 2019

From Epidemiological Knowledge to Improved Health: A Vision for Translational Epidemiology.

Am J Epidemiol 2019 Mar 30. Epub 2019 Mar 30.

Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore Maryland.

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http://dx.doi.org/10.1093/aje/kwz085DOI Listing
March 2019

Public Comments on the Proposed Common Rule Mandate for Single-IRB Review of Multisite Research.

Ethics Hum Res 2019 Jan;41(1):15-21

Assistant scientist in the Department of Epidemiology at the Johns Hopkins Bloomberg School of Public Health.

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http://dx.doi.org/10.1002/eahr.500002DOI Listing
January 2019

Epidemiology at a time for unity.

Int J Epidemiol 2018 10;47(5):1366-1371

Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.

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http://dx.doi.org/10.1093/ije/dyy179DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6208276PMC
October 2018

Why Public Comments Matter: The Case of the National Institutes of Health Policy on Single Institutional Review Board Review of Multicenter Studies.

Acad Med 2018 08;93(8):1157-1161

A.-M. Ervin is assistant scientist, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland. H.A. Taylor is associate professor, Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health and Johns Hopkins Berman Institute of Bioethics, Baltimore, Maryland. S. Ehrhardt is associate professor, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland. C.L. Meinert is professor, Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.

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http://dx.doi.org/10.1097/ACM.0000000000002206DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6060006PMC
August 2018

Postpartum posttraumatic and acute stress in mothers and fathers of infants with very low birth weight: Cross-sectional results from a controlled multicenter cohort study.

J Affect Disord 2018 08 3;235:467-473. Epub 2018 Apr 3.

Department of Child and Adolescent Psychiatry, Center for Psychosocial Medicine, University Medical Center Hamburg-Eppendorf, Martinistr. 52, W29, Hamburg 20246, Germany.

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http://dx.doi.org/10.1016/j.jad.2018.04.013DOI Listing
August 2018

Efficacy of introducing a checklist to reduce central venous line associated bloodstream infections in the ICU caring for adult patients.

BMC Infect Dis 2018 06 8;18(1):267. Epub 2018 Jun 8.

Department of Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Martinistrasse 52, 20246, Hamburg, Germany.

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http://dx.doi.org/10.1186/s12879-018-3178-6DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5994052PMC
June 2018

Characteristics and trends of clinical trials funded by the National Institutes of Health between 2005 and 2015.

Clin Trials 2018 02 7;15(1):65-74. Epub 2017 Sep 7.

1 Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.

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http://dx.doi.org/10.1177/1740774517727742DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5802548PMC
February 2018

Knowledge of and attitudes towards hepatitis B and its transmission from mother to child among pregnant women in Guangdong Province, China.

PLoS One 2017 2;12(6):e0178671. Epub 2017 Jun 2.

Department of Obstetrics and Gynecology, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, Guangdong Province, China.

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0178671PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5456270PMC
September 2017

A targeted door-to-door strategy for sleeping sickness detection in low-prevalence settings in Côte d'Ivoire.

Parasite 2016 16;23:51. Epub 2016 Nov 16.

Institut de Recherche pour le Développement (IRD), Unité Mixte de Recherche IRD-CIRAD 177, INTERTRYP /Centre International de Recherche-Développement sur l'Élevage en zone Subhumide (CIRDES), Unité de recherches sur les bases biologiques de la lutte intégrée, 01 BP 454, Bobo-Dioulasso 01, Burkina Faso.

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http://dx.doi.org/10.1051/parasite/2016059DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5112757PMC
August 2017

Is the WHO Guide on Essential Practice of Postpartum Newborn Care Used in a District Health Care Facility?

J Trop Pediatr 2016 12 17;62(6):436-445. Epub 2016 Jun 17.

Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA.

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http://dx.doi.org/10.1093/tropej/fmw010DOI Listing
December 2016

NIH Policy on Single-IRB Review - A New Era in Multicenter Studies.

N Engl J Med 2016 Dec;375(24):2315-2317

From the Department of Epidemiology (A.-M.E., S.E.) and the Department of Health Policy and Management (H.A.T.), Johns Hopkins Bloomberg School of Public Health, and the Johns Hopkins Berman Institute of Bioethics (H.A.T.) - both in Baltimore.

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http://dx.doi.org/10.1056/NEJMp1608766DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5234329PMC
December 2016

Postpartum anxiety and adjustment disorders in parents of infants with very low birth weight: Cross-sectional results from a controlled multicentre cohort study.

J Affect Disord 2016 Apr 14;194:128-34. Epub 2016 Jan 14.

Department of Child and Adolescent Psychiatry, University Medical Center Hamburg-Eppendorf, Germany.

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http://dx.doi.org/10.1016/j.jad.2016.01.016DOI Listing
April 2016

Trends in National Institutes of Health Funding for Clinical Trials Registered in ClinicalTrials.gov.

JAMA 2015 Dec;314(23):2566-7

Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.

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http://dx.doi.org/10.1001/jama.2015.12206DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4919115PMC
December 2015

Screening for depression in pregnant women from Côte d׳Ivoire and Ghana: Psychometric properties of the Patient Health Questionnaire-9.

J Affect Disord 2015 Nov 29;187:232-40. Epub 2015 Jul 29.

Department of Child and Adolescent Psychiatry, University Medical Center Hamburg, Eppendorf, Germany.

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http://dx.doi.org/10.1016/j.jad.2015.06.042DOI Listing
November 2015

RESEARCH ETHICS. Evidence gaps and ethical review of multicenter studies.

Science 2015 Nov;350(6261):632-3

Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.

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http://dx.doi.org/10.1126/science.aac4872DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4832919PMC
November 2015

Global elimination of mother-to-child transmission of hepatitis B: revisiting the current strategy.

Lancet Infect Dis 2015 Aug 2;15(8):981-5. Epub 2015 Jul 2.

Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.

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http://dx.doi.org/10.1016/S1473-3099(15)00158-9DOI Listing
August 2015

Breastfeeding while taking lamivudine or tenofovir disoproxil fumarate: a review of the evidence.

Clin Infect Dis 2015 Jan 13;60(2):275-8. Epub 2014 Oct 13.

Division of Infectious Diseases, Department of Medicine, Johns Hopkins University Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.

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http://dx.doi.org/10.1093/cid/ciu798DOI Listing
January 2015

Psychometric properties of the 7-item Generalized Anxiety Disorder scale in antepartum women from Ghana and Côte d'Ivoire.

J Affect Disord 2014 Dec 11;169:203-11. Epub 2014 Aug 11.

Department of Child and Adolescent Psychiatry, University Medical Center Hamburg-Eppendorf, Germany.

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http://dx.doi.org/10.1016/j.jad.2014.08.004DOI Listing
December 2014

Cardiac function in Ghanaian children with severe malaria.

Intensive Care Med 2012 Dec 14;38(12):2032-41. Epub 2012 Aug 14.

Department of Child Health, Komfo Anokye Teaching Hospital, Kumasi, Ghana.

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http://dx.doi.org/10.1007/s00134-012-2676-zDOI Listing
December 2012

Are insecticide treated bednets failing?

Lancet Infect Dis 2012 Jul;12(7):513-4; author reply 514

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http://linkinghub.elsevier.com/retrieve/pii/S147330991270106
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http://dx.doi.org/10.1016/S1473-3099(12)70106-8DOI Listing
July 2012

Artemether-lumefantrine in the treatment of uncomplicated Plasmodium falciparum malaria.

Ther Clin Risk Manag 2009 12;5:805-15. Epub 2009 Oct 12.

Bernhard Nocht Institute for Tropical Medicine, Tropical Medicine Section, Hamburg, Germany.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2762439PMC
http://dx.doi.org/10.2147/tcrm.s5375DOI Listing
July 2011

Influence of haemoglobins S and C on predominantly asymptomatic Plasmodium infections in northern Ghana.

Trans R Soc Trop Med Hyg 2010 Nov;104(11):713-9

Charité - University Medicine Berlin, Spandauer Damm 130, 14050 Berlin, Germany.

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http://dx.doi.org/10.1016/j.trstmh.2010.08.001DOI Listing
November 2010

Tunnel vision in Tropical Medicine research?

Authors:
Stephan Ehrhardt

Trop Med Int Health 2010 Aug 9;15(8):870-1. Epub 2010 Jun 9.

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http://dx.doi.org/10.1111/j.1365-3156.2010.02572.xDOI Listing
August 2010

Cardiac involvement in dengue virus infections during the 2004/2005 dengue fever season in Sri Lanka.

Southeast Asian J Trop Med Public Health 2009 Jul;40(4):727-30

Medical Department - Infectious Diseases and Tropical Medicine, University Hospital Hamburg Eppendorf, Hamburg, Germany.

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http://www.tm.mahidol.ac.th/seameo/2009-40-4/08-4276.pdf
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July 2009

Eosinophilia in returning travelers and migrants.

Dtsch Arztebl Int 2008 Nov 14;105(46):801-7. Epub 2008 Nov 14.

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http://dx.doi.org/10.3238/arztebl.2008.0801DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2699886PMC
November 2008

Large-scale surveillance of Plasmodium falciparum crt(K76T) in northern Ghana.

Antimicrob Agents Chemother 2007 Sep 11;51(9):3407-9. Epub 2007 Jun 11.

Bernhard Nocht Institute for Tropical Medicine, Bernhard Nocht Strasse 74, 20359 Hamburg, Germany.

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http://dx.doi.org/10.1128/AAC.00179-07DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2043215PMC
September 2007

High residual chloroquine blood levels in African children with severe malaria seeking healthcare.

Trans R Soc Trop Med Hyg 2007 Jul 30;101(7):637-42. Epub 2007 Apr 30.

Institute of Tropical Medicine and International Health, Charité University Medicine, Berlin, Germany.

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http://dx.doi.org/10.1016/j.trstmh.2007.03.004DOI Listing
July 2007

Plasmodium falciparum glycosylphosphatidylinositol induces limited apoptosis in liver and spleen mouse tissue.

Apoptosis 2007 Jun;12(6):1037-41

Bernhard Nocht Institute for Tropical Medicine, Clinical Research Unit, Bernhard-Nocht-Str. 74, 20359 Hamburg, Germany.

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http://dx.doi.org/10.1007/s10495-006-0033-9DOI Listing
June 2007

Malaria, anemia, and malnutrition in african children--defining intervention priorities.

J Infect Dis 2006 Jul 26;194(1):108-14. Epub 2006 May 26.

Bernhard Nocht Institute for Tropical Medicine, Hamburg, Germany.

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http://dx.doi.org/10.1086/504688DOI Listing
July 2006

A Thai patient with generalised inflammatory skin disease 18 years after migration to Europe.

Lancet 2006 Apr;367(9520):1458

Department of Medicine I, Bernhard-Nocht-Hospital, University Hospital Hamburg-Eppendorf, Martinistrasse 52, 20246 Hamburg, Germany.

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http://dx.doi.org/10.1016/S0140-6736(06)68617-0DOI Listing
April 2006

Chloroquine blood concentrations and molecular markers of chloroquine-resistant Plasmodium falciparum in febrile children in northern Ghana.

Trans R Soc Trop Med Hyg 2003 Nov-Dec;97(6):697-701

Institut für Tropenmedizin Berlin, Charité, Humboldt-Universität zu Berlin, Spandauer Damm 130, 14050 Berlin, Germany.

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http://dx.doi.org/10.1016/s0035-9203(03)80106-2DOI Listing
February 2006

Orchitis as an unusual manifestation of human African trypanosomiasis.

J Infect 2006 Jan 3;52(1):e31-3. Epub 2005 Jun 3.

Bernhard Nocht Institute for Tropical Medicine, Bernhard-Nocht-Street 74, 20359 Hamburg, Germany.

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http://dx.doi.org/10.1016/j.jinf.2005.04.018DOI Listing
January 2006

Concurrence of Plasmodium falciparum dhfr and crt mutations in northern Ghana.

Malar J 2005 Sep 15;4:42. Epub 2005 Sep 15.

Institute of Tropical Medicine, Charité-University Medicine Berlin, Spandauer Damm 130, 14050 Berlin, Germany.

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http://dx.doi.org/10.1186/1475-2875-4-42DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1261531PMC
September 2005

Limited influence of haptoglobin genotypes on severe malaria in Ghanaian children.

Trop Med Int Health 2005 Jul;10(7):668-71

Institute of Tropical Medicine, Charité-University Medicine Berlin, Berlin, Germany.

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http://dx.doi.org/10.1111/j.1365-3156.2005.01444.xDOI Listing
July 2005

Alpha(+)-thalassemia protects African children from severe malaria.

Blood 2004 Oct 15;104(7):2003-6. Epub 2004 Jun 15.

Institute of Tropical Medicine, Charité, Humboldt University, Berlin, Germany.

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http://dx.doi.org/10.1182/blood-2003-11-4090DOI Listing
October 2004

iNOS promoter variants and severe malaria in Ghanaian children.

Trop Med Int Health 2004 Oct;9(10):1074-80

Institute of Tropical Medicine, Charité, Humboldt-University, Berlin, Germany.

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http://dx.doi.org/10.1111/j.1365-3156.2004.01312.xDOI Listing
October 2004

Hemoglobin C and resistance to severe malaria in Ghanaian children.

J Infect Dis 2004 Sep 26;190(5):1006-9. Epub 2004 Jul 26.

Institute of Tropical Medicine, Medical Faculty Charité, Humboldt University, Berlin, Germany.

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http://dx.doi.org/10.1086/422847DOI Listing
September 2004

Manifestation and outcome of severe malaria in children in northern Ghana.

Am J Trop Med Hyg 2004 Aug;71(2):167-72

Institute of Tropical Medicine, Charité, Humboldt University, Berlin, Germany.

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August 2004

Limited influence of haemoglobin variants on Plasmodium falciparum msp1 and msp2 alleles in symptomatic malaria.

Trans R Soc Trop Med Hyg 2004 May;98(5):302-10

Institut fuer Tropenmedizin, Charité, Humboldt Universitaet, Spandauer Damm 130, 14050 Berlin, Germany.

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http://dx.doi.org/10.1016/j.trstmh.2003.10.001DOI Listing
May 2004

Plasmodium falciparum multiplicity correlates with anaemia in symptomatic malaria.

Trop Med Int Health 2003 Oct;8(10):857-9

Institut für Tropenmedizin, Medizinische Fakultät Charité, Humboldt Universität zu Berlin, Germany.

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http://dx.doi.org/10.1046/j.1365-3156.2003.01117.xDOI Listing
October 2003

Reduced prevalence of Plasmodium falciparum infection and of concomitant anaemia in pregnant women with heterozygous G6PD deficiency.

Trop Med Int Health 2003 Feb;8(2):118-24

Institut für Tropenmedizin Berlin, Charité, Humboldt-Universität zu Berlin, Germany.

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http://dx.doi.org/10.1046/j.1365-3156.2003.01008.xDOI Listing
February 2003