Tom Freeman

Search results

• 2022

  Acceptability of integrating smoking cessation treatment into routine care for people with mental illness: a qualitative study

  Sawyer, K., Fredman Stein, K., Jacobsen, P., Freeman, T. P., Blackwell, A. K. M., Metcalfe, C., Kessler, D., Munafò, M. R., Aveyard, P. & Taylor, G. M. J., 12 Oct 2022, (E-pub ahead of print) In: Health Expectations.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Withholding Treatment 100%
  • Smoking Cessation 83%
  • smoking 77%
  • mental illness 76%
  • Psychology 46%

• Age differences in the behavioural economics of cannabis use: Do adolescents and adults differ on demand for cannabis and discounting of future reward?

  Borissova, A., Soni, S., Aston, E. R., Lees, R., Petrilli, K., Wall, M. B., Bloomfield, M. A. P., Mertzani, E., Paksina, A., Freeman, T. P., Mokrysz, C., Lawn, W. & Curran, H. V., 1 Sep 2022, In: Drug and Alcohol Dependence. 238, 109531.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Behavioral Economics 100%
  • Illicit Drug 88%
  • Cannabis 68%
  • Reward 62%
  • Amount 27%
  1 Citation (SciVal)

• Cannabis and Mental Health: Adverse Outcomes and Self-Reported Impact of Cannabis Use by Mental Health Status

  Rup, J., Freeman, T. P., Perlman, C. & Hammond, D., 31 Dec 2022, In: Substance Use and Misuse. 57, 5, p. 719-729 11 p.

  Research output: Contribution to journal › Article › peer-review

  • Cannabis 100%
  • health status 90%
  • Health Status 81%
  • Mental Health 73%
  • mental health 64%

• Clinical withdrawal symptom profile of synthetic cannabinoid receptor agonists and comparison of effects with high potency cannabis

  Craft, S., Ferris, J. A., Barratt, M. J., Maier, L. J., Lynskey, M. T., Winstock, A. R. & Freeman, T. P., 31 May 2022, In: Psychopharmacology. 239, 5, p. 1349-1357 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Artificial Receptors 100%
  • Cannabinoid Receptor Agonists 89%
  • Substance Withdrawal Syndrome 80%
  • Cannabis 68%
  • insulin receptor-related receptor 16%

• Drug Use Changes at the Individual Level: Results from a Longitudinal, Multisite Survey in Young Europeans Frequenting the Nightlife Scene

  Grabski, M., Waldron, J., Freeman, T. P., Mokrysz, C., Van Beek, R. J. J., Van Der Pol, P., Hauspie, B., Dirkx, N., Schrooten, J., Elgán, T. H., Feltman, K., Benedetti, E., Scalia Tomba, G., Fabi, F., Molinaro, S., Gripenberg, J., Van Havere, T., Van Laar, M. & Curran, H. V., 31 Mar 2022, In: European Addiction Research. 28, p. 155-160

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • drug use 100%
  • Longitudinal Studies 93%
  • drug 76%
  • medication 64%
  • Ketamine 49%

• Effectiveness of Mental Health Warnings on Tobacco Packaging in People With and Without Common Mental Health Conditions: An Online Randomised Experiment

  Sawyer, K., Burke, C., Ng, R. L. Y., Freeman, T. P., Adams, S. & Taylor, G., 14 Jul 2022, In: Frontiers in Psychiatry . 13, 869158.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Product Packaging 100%
  • Tobacco 82%
  • Mental Health 67%
  • Health 22%
  • Non-Smokers 11%

• Is approving esketamine as an antidepressant for treatment resistant depression associated with recreational use and risk perception of ketamine? Results from a longitudinal and cross-sectional survey in nightlife attendees

  Grabski, M., Waldron, J., Freeman, T. P., van Laar, M. & Curran, H. V., 30 Apr 2022, In: International Journal of Drug Policy. 102, 103612.

  Research output: Contribution to journal › Article › peer-review

  • Esketamine 100%
  • Treatment-Resistant Depressive Disorder 83%
  • Ketamine 67%
  • Antidepressive Agents 55%
  • Cross-Sectional Studies 40%

• Neural responses to reward anticipation and feedback in adult and adolescent cannabis users and controls

  Skumlien, M., Mokrysz, C., Freeman, T. P., Wall, M. B., Bloomfield, M., Lees, R., Borissova, A., Petrilli, K., Carson, J., Coughlan, T., Ofori, S., Langley, C., Sahakian, B. J., Curran, H. V. & Lawn, W., 31 Oct 2022, In: Neuropsychopharmacology. 47, 11, p. 1976-1983 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • Reward 90%
  • Ventral Striatum 22%
  • Brain 16%
  • Bayes Theorem 10%

• The acute effects of cannabidiol on emotional processing and anxiety: a neurocognitive imaging study

  Bloomfield, M. A. P., Yamamori, Y., Hindocha, C., Jones, A. P. M., Yim, J. L. L., Walker, H. R., Statton, B., Wall, M. B., Lees, R. H., Howes, O. D., Curran, V. H., Roiser, J. P. & Freeman, T. P., 31 May 2022, In: Psychopharmacology. 239, 5, p. 1539-1549 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabidiol 100%
  • Anxiety 50%
  • Placebos 18%
  • Anti-Anxiety Agents 9%
  • Anxiety Disorders 8%
  1 Citation (SciVal)

• The CannTeen study: verbal episodic memory, spatial working memory, and response inhibition in adolescent and adult cannabis users and age-matched controls

  Lawn, W., Fernandez-Vinson, N., Mokrysz, C., Hogg, G., Lees, R., Trinci, K., Petrilli, K., Borissova, A., Ofori, S., Waters, S., Michór, P., Wall, M. B., Freeman, T. P. & Curran, H. V., 31 May 2022, In: Psychopharmacology. 239, 5, p. 1629-1641 13 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Episodic Memory 100%
  • Spatial Memory 96%
  • Cannabis 93%
  • Short-Term Memory 82%
  • Psychological Inhibition 71%

• The International Cannabis Toolkit (iCannToolkit): a multidisciplinary expert consensus on minimum standards for measuring cannabis use

  Lorenzetti, V., Hindocha, C., Petrilli, K., Griffiths, P., Brown, J., Castillo-Carniglia, Á., Caulkins, J. P., Englund, A., ElSohly, M. A., Gage, S. H., Groshkova, T., Gual, A., Hammond, D., Lawn, W., López-Pelayo, H., Manthey, J., Mokrysz, C., Pacula, R. L., van Laar, M., Vandrey, R., & 5 othersWadsworth, E., Winstock, A., Hall, W., Curran, H. V. & Freeman, T. P., 30 Jun 2022, In: Addiction. 117, 6, p. 1510-1517 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • Public Health Practice 25%
  • Self Report 16%
  • Public Health 13%
  • Research Personnel 13%

• Trends in hospital presentations following analytically confirmed synthetic cannabinoid receptor agonist exposure before and after implementation of the 2016 UK Psychoactive Substances Act

  Craft, S., Dunn, M., Vidler, D., Officer, J., Blagbrough, I., Pudney, C., Henderson, G., Abouzeid, A., Dargan, P. I., Eddleston, M., Cooper, J., Roper, C., Thomas, S. H. L. & Freeman, T. P., 30 Nov 2022, In: Addiction. 117, 11, p. 2899-2906 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Artificial Receptors 100%
  • Cannabinoid Receptor Agonists 89%
  • Incidence 25%
  • Tandem Mass Spectrometry 14%
  • Liquid Chromatography 13%
  1 Citation (SciVal)

• Trends in the use of cannabis products in Canada and the USA, 2018 - 2020: Findings from the International Cannabis Policy Study

  Hammond, D., Goodman, S., Wadsworth, E., Freeman, T. P., Kilmer, B., Schauer, G., Pacula, R. L. & Hall, W., 31 Jul 2022, In: The International journal on drug policy. 105, p. 103716 1 p., 103716.

  Research output: Contribution to journal › Article › peer-review

  • policy studies 100%
  • Cannabis 90%
  • Canada 77%
  • Flowers 68%
  • trend 41%
  1 Citation (SciVal)
• 2021

  Acute effects of cannabis on speech illusions and psychotic-like symptoms: two studies testing the moderating effects of cannabidiol and adolescence

  Mokrysz, C., Shaban, N. D. C., Freeman, T. P., Lawn, W., Pope, R. A., Hindocha, C., Freeman, A., Wall, M. B., Bloomfield, M. A. P., Morgan, C. J. A., Nutt, D. J. & Curran, H. V., 30 Sep 2021, In: Psychological Medicine. 51, 12, p. 2134 - 2142 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cannabidiol 100%
  • Illusions 88%
  • Cannabis 74%
  • adolescence 58%
  • incidence 14%
  7 Citations (SciVal)

  144 Downloads (Pure)

• A latent class analysis of cannabis use products in a general population sample of adolescents and their association with paranoia, hallucinations, cognitive disorganisation and grandiosity

  Mackie, C. J., Wilson, J., Freeman, T. P., Craft, S., Escamilla De La Torre, T. & Lynskey, M. T., 30 Jun 2021, In: Addictive Behaviors. 117, 106837.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Paranoid Disorders 100%
  • Hallucinations 81%
  • Latent Class Analysis 80%
  • Cannabis 76%
  • adolescent 42%
  1 Downloads (Pure)

• Association of extent of cannabis use and psychotic like intoxication experiences in a multi-national sample of first episode psychosis patients and controls

  Sami, M., Quattrone, D., Ferraro, L., Tripoli, G., Cascia, E. L., Gayer-Anderson, C., Selten, J-P., Arango, C., Bernardo, M., Tarricone, I., Tortelli, A., Gatto, G., Del Peschio, S., Del-Ben, C. M., Rutten, B. P., Jones, P. B., van Os, J., de Haan, L., Morgan, C., Lewis, C., & 5 othersBhattacharyya, S., Freeman, T. P., Lynskey, M., Murray, R. M. & Forti, M. D., 30 Sep 2021, In: Psychological Medicine. 51, 12, p. 2074 - 2082

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • intoxication 100%
  • psychosis 94%
  • Cannabis 86%
  • Psychotic Disorders 76%
  • experience 25%
  3 Citations (SciVal)

  32 Downloads (Pure)

• Cannabis and cannabidiol use among autistic and non-autistic adults in the UK: a propensity score-matched analysis

  Hua, D. Y-H., Lees, R., Brosnan, M. & Freeman, T. P., 16 Dec 2021, In: BMJ Open. 11, 12, e053814.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabidiol 100%
  • Cannabinoids 81%
  • Propensity Score 75%
  • Cannabis 74%
  • Autistic Disorder 23%

• Cannabis and mental health: Prevalence of use and modes of cannabis administration by mental health status

  Rup, J., Freeman, T. P., Perlman, C. & Hammond, D., 31 Oct 2021, In: Addictive Behaviors. 121, 106991.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cannabis 100%
  • health status 90%
  • Health Status 81%
  • Disorder 80%
  • Mental Health 73%
  7 Downloads (Pure)

• Cognitive fusion as a candidate psychological vulnerability factor for psychosis: An experimental study of acute ∆9-tetrahydrocannabinol (THC) intoxication

  Newman-Taylor, K., Richardson, T., Lees, R., Petrilli, K., Bolderston, H., Hindocha, C. & Freeman, T. P., 31 Dec 2021, In: Psychosis. 13, 2, p. 167-174 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Dronabinol 100%
  • Cannabis 85%
  • Psychotic Disorders 75%
  • Psychology 55%
  • Wounds and Injuries 32%
  3 Downloads (Pure)

• Daily use of high-potency cannabis is associated with more positive symptoms in first-episode psychosis patients: the EU-GEI case-control study

  Quattrone, D., Ferraro, L., Tripoli, G., La Cascia, C., Quigley, H., Quattrone, A., Jongsma, H. E., Del Peschio, S., Gatto, G., Gayer-Anderson, C., Jones, P. B., Kirkbride, J. B., La Barbera, D., Tarricone, I., Berardi, D., Tosato, S., Lasalvia, A., Szöke, A., Arango, C., Bernardo, M., & 21 othersBobes, J., Del Ben, C. M., Menezes, P. R., Llorca, P-M., Santos, J. L., Sanjuán, J., Tortelli, A., Velthorst, E., de Haan, L., Rutten, B. P. F., Lynskey, M. T., Freeman, T. P., Sham, P. C., Cardno, A. G., Vassos, E., van Os, J., Morgan, C., Reininghaus, U., Lewis, C. M., Murray, R. M. & Di Forti, M., 1 Jun 2021, In: Psychological Medicine. 51, 8, p. 1329 - 1337

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • psychosis 100%
  • Cannabis 92%
  • Psychotic Disorders 81%
  • Case-Control Studies 69%
  • EU 61%
  17 Citations (SciVal)

  30 Downloads (Pure)

• Does variation in trait schizotypy and frequency of cannabis use influence the acute subjective, cognitive and psychotomimetic effects of delta-9-tetrahydrocannabinol? A mega-analysis

  Freeman, A. M., Mokrysz, C., Hindocha, C., Lawn, W., Morgan, C. J., Freeman, T. P., Saunders, R. & Curran, H. V., Jul 2021, In: Journal of Psychopharmacology . 35, 7, p. 804-813 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Dronabinol 100%
  • Cannabis 85%
  • Placebos 27%
  • Psychotic Disorders 25%
  • Personality 24%
  2 Citations (SciVal)

  12 Downloads (Pure)

• Illicit drug use and associated problems in the nightlife scene: A potential setting for prevention

  Feltmann, K., Elgán, T. H., Strandberg, A. K., Kvillemo, P., Jayaram-Lindström, N., Grabski, M., Waldron, J., Freeman, T., Curran, H. V. & Gripenberg, J., 1 May 2021, In: International Journal of Environmental Research and Public Health. 18, 9, 4789.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Street Drugs 100%
  • Illicit Drug 76%
  • Illicit Drugs 62%
  • Music 50%
  • drug use 49%

• Public health monitoring of cannabis use in Europe: prevalence of use, cannabis potency, and treatment rates

  Manthey, J., Freeman, T., Kilian, C., López-Pelayo, H. & Rehm, J., 23 Sep 2021, In: The Lancet Regional Health-Europe. 100227.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • monitoring 68%
  • public health 68%
  • Public Health 67%
  • drug 31%
  2 Citations (SciVal)

• Stimulating meditation: a pre-registered randomised controlled experiment combining a single dose of the cognitive enhancer, modafinil, with brief mindfulness training

  Thomas, E. M., Freeman, T. P., Poplutz, P., Howden, K., Hindocha, C., Bloomfield, M. & Kamboj, S. K., 1 Jun 2021, In: Journal of Psychopharmacology. 35, 6, p. 621-630 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Modafinil 100%
  • Nootropic Agents 96%
  • Meditation 88%
  • Mindfulness 82%
  • Pharmaceutical Preparations 11%
  1 Citation (SciVal)

• Supporting Future Cannabis Policy – Developing a Standard Joint Unit: A Brief Back-Casting Exercise

  López-Pelayo, H., Matrai, S., Balcells-Olivero, M., Campeny, E., Braddick, F., Bossong, M. G., Cruz, O. S., Deluca, P., Dom, G., Feingold, D., Freeman, T. P., Guzman, P., Hindocha, C., Kelly, B. C., Liebregts, N., Lorenzetti, V., Manthey, J., Matias, J., Oliveras, C., Pons, M. T., & 8 othersRehm, J., Rosenkranz, M., Swithenbank, Z., van Deurse, L., Vicente, J., Vuolo, M., Wojnar, M. & Gual, A., 20 May 2021, In: Frontiers in Psychiatry . 12, 675033.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • Joints 66%
  • Dronabinol 21%
  • Consensus 16%
  • Medical Marijuana 12%
  1 Citation (SciVal)

• The continuity of effect of schizophrenia polygenic risk score and patterns of cannabis use on transdiagnostic symptom dimensions at first-episode psychosis: findings from the EU-GEI study

  Quattrone, D., Reininghaus, U., Richards, A. L., Tripoli, G., Ferraro, L., Quattrone, A., Marino, P., Rodriguez, V., Spinazzola, E., Gayer-Anderson, C., Jongsma, H. E., Jones, P. B., La Cascia, C., La Barbera, D., Tarricone, I., Bonora, E., Tosato, S., Lasalvia, A., Szöke, A., Arango, C., & 30 othersBernardo, M., Bobes, J., Del Ben, C. M., Menezes, P. R., Llorca, P. M., Santos, J. L., Sanjuán, J., Arrojo, M., Tortelli, A., Velthorst, E., Berendsen, S., de Haan, L., Rutten, B. P. F., Lynskey, M. T., Freeman, T. P., Kirkbride, J. B., Sham, P. C., O’Donovan, M. C., Cardno, A. G., Vassos, E., van Os, J., Morgan, C., Murray, R. M., Lewis, C. M., Di Forti, M., Hubbard, K., Beards, S., Stilo, S. A., Parellada, M. & Fraguas, D., 10 Aug 2021, In: Translational Psychiatry. 11, 1, 423.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • Psychotic Disorders 88%
  • Schizophrenia 76%
  • Linear Models 9%
  • Population 4%
  1 Citation (SciVal)

• The Effects of Acute Δ⁹-Tetrahydrocannabinol on Striatal Glutamatergic Function: A Proton Magnetic Resonance Spectroscopy Study

  Bloomfield, M. A. P., Petrilli, K., Lees, R., Hindocha, C., Beck, K., Turner, R. J., Onwordi, E. C., Rane, N., Lythgoe, D. J., Stone, J. M., Curran, H. V., Howes, O. D. & Freeman, T. P., 30 Jun 2021, In: Biological Psychiatry: Cognitive Neuroscience and Neuroimaging. 6, 6, p. 660-667 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Dronabinol 100%
  • Proton Magnetic Resonance Spectroscopy 94%
  • Corpus Striatum 78%
  • Glutamic Acid 71%
  • Placebos 13%
  1 Citation (SciVal)

  1 Downloads (Pure)
• 2020

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

  Hindocha, C., Freeman, T. P., Schafer, G., Gardner, C., Bloomfield, M. A. P., Bramon, E., Morgan, C. J. A. & Curran, H. V., 1 May 2020, In: Addiction Biology. 25, 3, e12762.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • fatty-acid amide hydrolase 100%
  • Endophenotypes 89%
  • Cannabinoid Receptor CB1 85%
  • Cannabinoids 78%
  • Cannabis 71%
  16 Citations (SciVal)

  20 Downloads (Pure)

• Adverse effects of cannabidiol: a systematic review and meta-analysis of randomized clinical trials

  Chesney, E., Oliver, D., Green, A., Sovi, S., Wilson, J., Englund, A., Freeman, T. P. & McGuire, P., 31 Oct 2020, In: Neuropsychopharmacology. 45, 11, p. 1799-1806

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cannabidiol 100%
  • Meta-Analysis 52%
  • Systematic Reviews 51%
  • Randomized Controlled Trials 47%
  • Liver Function Tests 22%
  82 Citations (SciVal)

  33 Downloads (Pure)

• Association of High-Potency Cannabis Use With Mental Health and Substance Use in Adolescence

  Hines, L. A., Freeman, T. P., Gage, S. H., Zammit, S., Hickman, M., Cannon, M., Munafo, M., MacLeod, J. & Heron, J., 31 Oct 2020, In: JAMA Psychiatry. 77, 10, p. 1044-1051 8 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • Mental Health 73%
  • Odds Ratio 15%
  • Tobacco Use Disorder 10%
  • Illicit Drugs 9%
  45 Citations (SciVal)

• Cannabidiol for the treatment of cannabis use disorder: a phase 2a, double-blind, placebo-controlled, randomised, adaptive Bayesian trial

  Freeman, T., Hindocha, C., Baio, G., Shaban, N., Thomas, E., Astbury, D., Freeman, A., Lees, R. H., Craft, S., Morrison, P., Bloomfield, M., O'Ryan, D., Kinghorn, J., Morgan, C., Mofeez, A. & Curran, H. V., 1 Oct 2020, In: The Lancet Psychiatry. 7, 10, p. 865-874 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cannabidiol 100%
  • Cannabis 74%
  • Placebos 48%
  • Dronabinol 19%
  • delta(9)-tetrahydrocannabinolic acid 16%
  71 Citations (SciVal)

  106 Downloads (Pure)

• Cannabis and COVID-19: Reasons for Concern

  van Laar, M. W., Oomen, P. E., van Miltenburg, C. J. A., Vercoulen, E., Freeman, T. P. & Hall, W. D., 21 Dec 2020, In: Frontiers in Psychiatry . 11, 601653.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • Joints 29%
  • Netherlands 20%
  • SARS Virus 15%
  • Harm Reduction 13%
  10 Citations (SciVal)

• Cannabis knowledge and implications for health: Considerations regarding the legalization of non-medical cannabis

  Zamengo, L., Frison, G., Zwitser, G., Salomone, A. & Freeman, T. P., 1 Oct 2020, In: Medicine, Science and the Law. 60, 4, p. 309-314 6 p.

  Research output: Contribution to journal › Article › peer-review

  • legalization 100%
  • Cannabis 90%
  • emergency treatment 47%
  • jurisdiction 46%
  • Model Regulations 44%
  3 Citations (SciVal)

• Characterising heterogeneity in the use of different cannabis products: Latent class analysis with 55 000 people who use cannabis and associations with severity of cannabis dependence

  Craft, S., Winstock, A., Ferris, J., Mackie, C., Lynskey, M. T. & Freeman, T. P., 31 Oct 2020, In: Psychological Medicine. 50, 14, p. 2364-2373 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Marijuana Abuse 100%
  • Latent Class Analysis 77%
  • Cannabis 73%
  • drug 46%
  • mental health 35%
  16 Citations (SciVal)

  85 Downloads (Pure)

• Do AKT1, COMT and FAAH influence reports of acute cannabis intoxication experiences in patients with first episode psychosis, controls and young adult cannabis users?

  Hindocha, C., Quattrone, D., Freeman, T. P., Murray, R. M., Mondelli, V., Breen, G., Curtis, C., Morgan, C. J. A., Valerie Curran, H. & Di Forti, M., 12 May 2020, In: Translational Psychiatry. 10, 1, p. 143 143.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • Psychotic Disorders 88%
  • Young Adult 76%
  • Genotype 11%
  • Case-Control Studies 4%
  6 Citations (SciVal)

• 'Standard THC Units': a proposal to standardise dose across all cannabis products and methods of administration

  Freeman, T. P. & Lorenzetti, V., 31 Jul 2020, In: Addiction. 115, 7, p. 1207-1216

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Dronabinol 100%
  • Cannabis 85%
  • Cannabidiol 34%
  • Vaping 11%
  • Harm Reduction 10%
  81 Citations (SciVal)

  27 Downloads (Pure)

• The acute effects of cannabidiol on the neural correlates of reward anticipation and feedback in healthy volunteers

  Lawn, W., Hill, J., Hindocha, C., Yim, J., Yamamori, Y., Jones, G., Walker, H., Green, S. F., Wall, M. B., Howes, O. D., Curran, H. V., Freeman, T. P. & Bloomfield, M. A. P., 1 Sep 2020, In: Journal of Psychopharmacology. 34, 9, p. 969-980 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cannabidiol 100%
  • Reward 67%
  • Healthy Volunteers 46%
  • Brain 20%
  • Placebos 16%
  2 Citations (SciVal)

  12 Downloads (Pure)

• The effects of acute cannabidiol on cerebral blood flow and its relationship to memory: An arterial spin labelling magnetic resonance imaging study

  Bloomfield, M. A. P., Green, S. F., Hindocha, C., Yamamori, Y., Yim, J. L. L., Jones, A. P. M., Walker, H. R., Tokarczuk, P., Statton, B., Howes, O. D., Curran, H. V. & Freeman, T. P., 1 Sep 2020, In: Journal of Psychopharmacology. 34, 9, p. 981-989 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabidiol 100%
  • Cerebrovascular Circulation 67%
  • Memory 51%
  • Magnetic Resonance Imaging 46%
  • Short-Term Memory 32%
  4 Citations (SciVal)

• Value-based decision-making of cigarette and nondrug rewards in dependent and occasional cigarette smokers: An FMRI study

  Lawn, W., Mithchener, L., Freeman, T. P., Benattayallah, A., Bisby, J. A., Wall, M. B., Dodds, C. M., Curran, H. V. & Morgan, C. J. A., 31 Jul 2020, In: Addiction Biology. 25, 4, e12802.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Reward 100%
  • Tobacco Products 97%
  • Smokers 87%
  • Decision Making 85%
  • Brain 19%
  6 Citations (SciVal)

  9 Downloads (Pure)
• 2019

  Changes in the composition of cannabis from 2000-2017 in Denmark: Analysis of confiscated samples of cannabis resin

  Thomsen, K. R., Lindholst, C., Thylstrup, B., Kvamme, S., Reitzel, L. A., Worm-Leonhard, M., Englund, A., Freeman, T. P. & Hesse, M., 1 Aug 2019, In: Experimental and Clinical Psychopharmacology. 27, 4, p. 402-411 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Dronabinol 100%
  • Denmark 85%
  • Cannabis 85%
  • Cannabidiol 57%
  • Flame Ionization 10%
  23 Citations (SciVal)

  100 Downloads (Pure)

• Dissociable effects of cannabis with and without cannabidiol on the human brain’s resting-state functional connectivity

  Wall, M. B., Pope, R., Freeman, T. P., Kowalczyk, O. S., Demetriou, L., Mokrysz, C., Hindocha, C., Lawn, W., Bloomfield, M. A. P., Freeman, A. M., Feilding, A., Nutt, D. J. & Curran, H. V., 1 Jul 2019, In: Journal of Psychopharmacology. 33, 7, p. 822-830 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cannabidiol 100%
  • Dronabinol 86%
  • Cannabis 74%
  • Brain 34%
  • Placebos 14%
  36 Citations (SciVal)

  43 Downloads (Pure)

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

  Freeman, T. P., Groshkova, T., Cunningham, A., Sedefov, R., Griffiths, P. & Lynskey, M. T., 1 Jun 2019, In: Addiction. 114, 6, p. 1015-1023 9 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • Dronabinol 84%
  • Economic Inflation 19%
  • Linear Models 13%
  • Drug Monitoring 9%
  68 Citations (SciVal)

• Medicinal use of cannabis based products and cannabinoids

  Freeman, T. P., Hindocha, C., Green, S. F. & Bloomfield, M. A. P., 4 Apr 2019, In: British Medical Journal. 365, 7 p., l1141.

  Research output: Contribution to journal › Article › peer-review

  Open Access
  95 Citations (SciVal)

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

  Chandra, S., Radwan, M. M., Majumdar, C. G., Church, J. C., Freeman, T. P. & ElSohly, M. A., 1 Feb 2019, In: European Archives of Psychiatry and Clinical Neuroscience. 269, 1, p. 5-15 11 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Dronabinol 100%
  • Cannabis 85%
  • Hashish oil 35%
  • Oils 32%
  • National Institute on Drug Abuse (U.S.) 26%
  221 Citations (SciVal)

  96 Downloads (Pure)

• The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe (EU-GEI): a multicentre case-control study

  Di Forti, M., Quattrone, D., Freeman, T., Tripoli, G., Gayer-Anderson, C., Quigley, H., Rodriguez, V., Jongsma, H. E., Ferraro, L., La Cascia, C., La Barbera, D., Tarricone, I., Berardi, D., Szoke, A., Arango, C., Tortelli, A., Velthorst, E., Bernardo, M., Del-Ben, C. M., Menezes, P. R., & 11 othersSelten, J-P., Jones, P. B., Kirkbride, J. B., Rutten, B. P. F., de Haan, L., Sham, P. C., Van Os, J., Lewis, C. M., Lynskey, M., Morgan, C. & Murray, R. M., 31 May 2019, In: The Lancet Psychiatry. 6, 5, p. 427-436 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • Psychotic Disorders 88%
  • Case-Control Studies 75%
  • Incidence 45%
  • Dronabinol 29%
  338 Citations (SciVal)

• The effects of psychosocial stress on dopaminergic function and the acute stress response

  Bloomfield, M. A. P., McCutcheon, R. A., Kempton, M., Freeman, T. P. & Howes, O., 12 Nov 2019, In: eLife. 8, p. 1-22 22 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Dopamine 100%
  • Positron 82%
  • Positron-Emission Tomography 66%
  • Phenylalanine 39%
  • Corpus Striatum 34%
  34 Citations (SciVal)

• Which biological and self-report measures of cannabis use predict cannabis dependency and acute psychotic-like effects?

  Curran, H. V., Hindocha, C., Morgan, C. J. A., Shaban, N., Das, R. K. & Freeman, T. P., 31 Jul 2019, In: Psychological Medicine. 49, 9, p. 1574-1580 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabis 100%
  • rating scale 95%
  • Self Report 83%
  • Dronabinol 74%
  • drug 63%
  29 Citations (SciVal)
• 2018

  Cannabidiol reverses attentional bias to cigarette cues in a human experimental model of tobacco withdrawal

  Hindocha, C., Freeman, T. P., Grabski, M., Stroud, J. B., Crudgington, H., Davies, A. C., Das, R. K., Lawn, W., Morgan, C. J. A. & Curran, H. V., 2 Aug 2018, In: Addiction. 113, 9, p. 1696-1705 10 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Cannabidiol 100%
  • Attentional Bias 94%
  • Tobacco 66%
  • Tobacco Products 65%
  • Cues 61%
  49 Citations (SciVal)

• Cannabis Dampens the Effects of Music in Brain Regions Sensitive to Reward and Emotion

  Freeman, T. P., Pope, R. A., Wall, M. B., Bisby, J. A., Luijten, M., Hindocha, C., Mokrysz, C., Lawn, W., Moss, A., Bloomfield, M. A. P., Morgan, C. J. A., Nutt, D. J. & Curran, H. V., 1 Jan 2018, In: International Journal of Neuropsychopharmacology. 21, 1, p. 21-32 12 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Music 100%
  • Cannabis 95%
  • Reward 86%
  • Emotions 70%
  • Cannabidiol 64%
  27 Citations (SciVal)

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

  Freeman, T. P., van der Pol, P., Kuijpers, W., Wisselink, J., Das, R. K., Rigter, S., van Laar, M., Griffiths, P., Swift, W., Niesink, R. & Lynskey, M. T., 31 Oct 2018, In: Psychological Medicine. 48, 14, p. 2346-2352 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • Cannabis 100%
  • Netherlands 91%
  • drug 63%
  • Dronabinol 58%
  • Pharmaceutical Preparations 38%
  65 Citations (SciVal)

  76 Downloads (Pure)