Tom P Freeman

Tom P Freeman

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Tom P Freeman

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Increasing potency and price of cannabis in Europe, 2006-16.

Addiction 2019 Jun 16;114(6):1015-1023. Epub 2019 Jan 16.

National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK.

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http://doi.wiley.com/10.1111/add.14525
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http://dx.doi.org/10.1111/add.14525DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6590252PMC
June 2019

Correction to: New trends in cannabis potency in USA and Europe during the last decade (2008-2017).

Eur Arch Psychiatry Clin Neurosci 2019 May 23. Epub 2019 May 23.

National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, 38677, USA.

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http://dx.doi.org/10.1007/s00406-019-01020-1DOI Listing
May 2019

Medicinal use of cannabis based products and cannabinoids.

BMJ 2019 Apr 4;365:l1141. Epub 2019 Apr 4.

Clinical Psychopharmacology Unit, Research Department of Clinical, Educational & Health Psychology, University College London, UK.

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http://dx.doi.org/10.1136/bmj.l1141DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6447998PMC
April 2019

Acute effects of cannabinoids on addiction endophenotypes are moderated by genes encoding the CB1 receptor and FAAH enzyme.

Addict Biol 2019 Apr 23:e12762. Epub 2019 Apr 23.

Clinical Psychopharmacology Unit, Research Department of Clinical, Educational and Health Psychology, University College London, London, UK.

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http://dx.doi.org/10.1111/adb.12762DOI Listing
April 2019

The neuropsychopharmacology of cannabis: A review of human imaging studies.

Pharmacol Ther 2019 Mar 19;195:132-161. Epub 2018 Oct 19.

Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, Faculty of Brain Sciences, University College London, United Kingdom; Clinical Psychopharmacology Unit, Research Department of Clinical, Educational and Health Psychology, Faculty of Brain Sciences, University College London, United Kingdom; Department of Psychology, University of Bath, United Kingdom; National Addiction Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, United Kingdom.

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https://linkinghub.elsevier.com/retrieve/pii/S01637258183019
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http://dx.doi.org/10.1016/j.pharmthera.2018.10.006DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6416743PMC
March 2019

Effects of increasing cannabis potency on adolescent health.

Lancet Child Adolesc Health 2019 Feb 18;3(2):121-128. Epub 2018 Dec 18.

Addictions Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, Beckenham, UK. Electronic address:

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http://dx.doi.org/10.1016/S2352-4642(18)30342-0DOI Listing
February 2019

New trends in cannabis potency in USA and Europe during the last decade (2008-2017).

Eur Arch Psychiatry Clin Neurosci 2019 Feb 22;269(1):5-15. Epub 2019 Jan 22.

National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, 38677, USA.

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http://link.springer.com/10.1007/s00406-019-00983-5
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http://dx.doi.org/10.1007/s00406-019-00983-5DOI Listing
February 2019

Changes in cannabis potency and first-time admissions to drug treatment: a 16-year study in the Netherlands.

Psychol Med 2018 10 31;48(14):2346-2352. Epub 2018 Jan 31.

National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London,London,UK.

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http://dx.doi.org/10.1017/S0033291717003877DOI Listing
October 2018

Restrictions on drugs with medical value: Moving beyond stalemate.

J Psychopharmacol 2018 Oct 2;32(10):1053-1055. Epub 2018 Oct 2.

8 Department of Psychological Medicine, King's College London, UK.

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http://dx.doi.org/10.1177/0269881118798609DOI Listing
October 2018

Commentary on Salloum et al. (2018): Rethinking adolescent cannabis use and risk perception.

Addiction 2018 06;113(6):1086-1087

National Addiction Centre, Institute of Psychiatry, Psychology and Neuroscience, King's College London, UK.

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http://dx.doi.org/10.1111/add.14212DOI Listing
June 2018

Commentary on Meier et al. (2018): Smoke and mirrors-are adolescent cannabis users vulnerable to cognitive impairment?

Addiction 2018 02;113(2):266-267

Clinical Educational and Health Psychology, University College London, London, UK.

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http://doi.wiley.com/10.1111/add.14055
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http://dx.doi.org/10.1111/add.14055DOI Listing
February 2018

Individual and combined effects of cannabis and tobacco on drug reward processing in non-dependent users.

Psychopharmacology (Berl) 2017 Nov 22;234(21):3153-3163. Epub 2017 Jul 22.

Clinical Psychopharmacology Unit, University College London, Gower St, London, WC1E 6BT, UK.

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http://link.springer.com/10.1007/s00213-017-4698-2
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http://dx.doi.org/10.1007/s00213-017-4698-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5660839PMC
November 2017

Ultra-Brief Mindfulness Training Reduces Alcohol Consumption in At-Risk Drinkers: A Randomized Double-Blind Active-Controlled Experiment.

Int J Neuropsychopharmacol 2017 11;20(11):936-947

Clinical Psychopharmacology Unit; Research Department of Clinical, Educational and Health Psychology, University College London, United Kingdom.

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http://dx.doi.org/10.1093/ijnp/pyx064DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5737497PMC
November 2017

Additive Effects of 3,4-Methylenedioxymethamphetamine (MDMA) and Compassionate Imagery on Self-Compassion in Recreational Users of Ecstasy.

Mindfulness (N Y) 2018 4;9(4):1134-1145. Epub 2017 Nov 4.

1Clinical Psychopharmacology Unit, Research Department of Clinical, Educational and Health Psychology, University College London, Gower St., London, WC1E 6BT UK.

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http://dx.doi.org/10.1007/s12671-017-0849-0DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6061231PMC
November 2017

User characteristics and effect profile of Butane Hash Oil: An extremely high-potency cannabis concentrate.

Drug Alcohol Depend 2017 09 8;178:32-38. Epub 2017 Jun 8.

Global Drug Survey, Fergusson House,124/128 City Road, London EC1 V2NJ, UK; University College London,Gower Street, London WC1E 6BT, UK.

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http://dx.doi.org/10.1016/j.drugalcdep.2017.04.014DOI Listing
September 2017

Can we make cannabis safer?

Lancet Psychiatry 2017 08 2;4(8):643-648. Epub 2017 Mar 2.

Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.

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http://dx.doi.org/10.1016/S2215-0366(17)30075-5DOI Listing
August 2017

Legal regulated markets have the potential to reduce population levels of harm associated with cannabis use.

Addiction 2016 12 3;111(12):2091-2092. Epub 2016 May 3.

Clinical Psychopharmacology Unit, University College London, London, UK.

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http://dx.doi.org/10.1111/add.13390DOI Listing
December 2016

Bringing together pharmacological and psychological approaches to mental health research.

Lancet Psychiatry 2016 Aug;3(8):700-2

Clinical Psychopharmacology Unit, University College London, WC1E 6BT, UK. Electronic address:

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http://dx.doi.org/10.1016/S2215-0366(16)30080-3DOI Listing
August 2016

No Smoke without Tobacco: A Global Overview of Cannabis and Tobacco Routes of Administration and Their Association with Intention to Quit.

Front Psychiatry 2016 5;7:104. Epub 2016 Jul 5.

Department of Addiction, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK; South London and the Maudsley NHS Trust, London, UK; Global Drugs Survey Ltd., London, UK.

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http://dx.doi.org/10.3389/fpsyt.2016.00104DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4933835PMC
July 2016

Keep off the grass? Cannabis, cognition and addiction.

Nat Rev Neurosci 2016 May 7;17(5):293-306. Epub 2016 Apr 7.

The Scripps Research Institute, 10550 N. Torrey Pines Road, SP30-2001, La Jolla, California 92037, USA.

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http://www.nature.com/articles/nrn.2016.28
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http://dx.doi.org/10.1038/nrn.2016.28DOI Listing
May 2016

Vaping cannabis (marijuana) has the potential to reduce tobacco smoking in cannabis users.

Addiction 2016 Feb 20;111(2):375. Epub 2015 Nov 20.

Department of Addictions, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK.

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http://dx.doi.org/10.1111/add.13190DOI Listing
February 2016

Assessing the translational feasibility of pharmacological drug memory reconsolidation blockade with memantine in quitting smokers.

Psychopharmacology (Berl) 2015 Sep 21;232(18):3363-74. Epub 2015 Jun 21.

Clinical Psychopharmacology Unit, University College London, 1-19 Torrington Place, London, WC1E 6BT, UK,

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http://dx.doi.org/10.1007/s00213-015-3990-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4537501PMC
September 2015

A comparison of emotion regulation strategies in response to craving cognitions: Effects on smoking behaviour, craving and affect in dependent smokers.

Behav Res Ther 2015 Jun 31;69:29-39. Epub 2015 Mar 31.

Research Department of Clinical, Educational and Health Psychology, University College London, Gower St, London WC1E 6BT, UK. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S00057967150005
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http://dx.doi.org/10.1016/j.brat.2015.03.013DOI Listing
June 2015

Potent questions about cannabis and mental health.

Authors:
Tom P Freeman

Lancet Psychiatry 2015 Mar 25;2(3):195-6. Epub 2015 Feb 25.

Clinical Psychopharmacology Unit, University College London, London WC1E 6BT, UK. Electronic address:

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http://dx.doi.org/10.1016/S2215-0366(14)00130-8DOI Listing
March 2015

Dopamine, urges to smoke, and the relative salience of drug versus non-drug reward.

Soc Cogn Affect Neurosci 2015 Jan 12;10(1):85-92. Epub 2014 Feb 12.

Clinical Psychopharmacology Unit, University College London, Gower St, London WC1E 6BT, United Kingdom.

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http://dx.doi.org/10.1093/scan/nsu026DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4994847PMC
January 2015

Long-Term Heavy Ketamine Use is Associated with Spatial Memory Impairment and Altered Hippocampal Activation.

Front Psychiatry 2014 4;5:149. Epub 2014 Dec 4.

Institute of Psychiatry, Kings College London , London , UK ; Department of Experimental Medicine, Imperial College London , London , UK.

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http://dx.doi.org/10.3389/fpsyt.2014.00149DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4255515PMC
December 2014

Rethinking dose-response effects of cannabis use in adolescence.

Lancet Psychiatry 2014 Nov 5;1(6):416. Epub 2014 Nov 5.

Clinical Psychopharmacology Unit, University College London, London WC1E 6BT, UK.

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http://dx.doi.org/10.1016/S2215-0366(14)00005-4DOI Listing
November 2014

Just say 'know': how do cannabinoid concentrations influence users' estimates of cannabis potency and the amount they roll in joints?

Addiction 2014 Oct 16;109(10):1686-94. Epub 2014 Jul 16.

Clinical Psychopharmacology Unit, University College London, London, UK.

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http://dx.doi.org/10.1111/add.12634DOI Listing
October 2014

Emotional processing deficits in chronic cannabis use: a replication and extension.

J Psychopharmacol 2014 May 19;28(5):466-71. Epub 2014 Mar 19.

Clinical Psychopharmacology Unit, Department of Clinical, Educational and Health Psychology, University College London, London, UK.

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http://dx.doi.org/10.1177/0269881114527359DOI Listing
May 2014

Dopaminergic involvement in effort-based but not impulsive reward processing in smokers.

Drug Alcohol Depend 2013 Jun 20;130(1-3):109-14. Epub 2012 Nov 20.

Clinical Psychopharmacology Unit, University College London, London WC1E 6BT, United Kingdom.

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https://linkinghub.elsevier.com/retrieve/pii/S03768716120041
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http://dx.doi.org/10.1016/j.drugalcdep.2012.10.016DOI Listing
June 2013

The effects of N-methyl D-aspartate and B-adrenergic receptor antagonists on the reconsolidation of reward memory: a meta-analysis.

Neurosci Biobehav Rev 2013 Mar 21;37(3):240-55. Epub 2012 Dec 21.

Clinical Psychopharmacology Unit, University College London, London, United Kingdom.

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http://dx.doi.org/10.1016/j.neubiorev.2012.11.018DOI Listing
March 2013

Associative blocking to reward-predicting cues is attenuated in ketamine users but can be modulated by images associated with drug use.

Psychopharmacology (Berl) 2013 Jan 25;225(1):41-50. Epub 2012 Jul 25.

Clinical Psychopharmacology Unit, University College London, London, UK.

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http://dx.doi.org/10.1007/s00213-012-2791-0DOI Listing
January 2013

Supply always comes on the heels of demand: what effects do control strategies have on drug users themselves?

Addiction 2012 Nov;107(11):1903-5

Clinical Psychopharmacology Unit, Clinical Health Psychology, University College London, Gower Street, London, WC1E 6BT, UK.

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http://doi.wiley.com/10.1111/j.1360-0443.2012.04032.x
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http://dx.doi.org/10.1111/j.1360-0443.2012.04032.xDOI Listing
November 2012

Cognitive and subjective effects of mephedrone and factors influencing use of a 'new legal high'.

Addiction 2012 Apr 18;107(4):792-800. Epub 2012 Jan 18.

Clinical Psychopharmacology Unit, Clinical Health Psychology, University College London, UK.

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http://dx.doi.org/10.1111/j.1360-0443.2011.03719.xDOI Listing
April 2012

Investigating the interaction between schizotypy, divergent thinking and cannabis use.

Conscious Cogn 2012 Mar 9;21(1):292-8. Epub 2012 Jan 9.

Clinical Psychopharmacology Unit, Research Department of Clinical, Health and Educational Psychology, University College London, Gower Street, London WC1E 6BT, United Kingdom.

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http://dx.doi.org/10.1016/j.concog.2011.11.009DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3657189PMC
March 2012

Impact of cannabidiol on the acute memory and psychotomimetic effects of smoked cannabis: naturalistic study: naturalistic study [corrected].

Br J Psychiatry 2010 Oct;197(4):285-90

Clinical Psychopharmacology Unit, University College London, Gower St, London WC1E 6BT, UK.

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https://www.cambridge.org/core/product/identifier/S000712500
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http://dx.doi.org/10.1192/bjp.bp.110.077503DOI Listing
October 2010

Cannabidiol attenuates the appetitive effects of Delta 9-tetrahydrocannabinol in humans smoking their chosen cannabis.

Neuropsychopharmacology 2010 Aug 28;35(9):1879-85. Epub 2010 Apr 28.

Clinical Psychopharmacology Unit, Research Department of Clinical, Health and Educational Psychology, University College London, London, UK.

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http://dx.doi.org/10.1038/npp.2010.58DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2906701PMC
August 2010

Superstitious conditioning as a model of delusion formation following chronic but not acute ketamine in humans.

Psychopharmacology (Berl) 2009 Nov 13;206(4):563-73. Epub 2009 May 13.

Clinical Psychopharmacology Unit, Clinical Health Psychology, University College London, Gower Street, London, UK.

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http://link.springer.com/10.1007/s00213-009-1564-x
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http://dx.doi.org/10.1007/s00213-009-1564-xDOI Listing
November 2009