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JAMA Psychiatry. 2021 Jun 16; doi: 10.1001/jamapsychiatry.2021.1258. Epub 2021 Jun 16.

Association of Cannabis Use During Adolescence With Neurodevelopment.

JAMA psychiatry

Matthew D Albaugh, Jonatan Ottino-Gonzalez, Amanda Sidwell, Claude Lepage, Anthony Juliano, Max M Owens, Bader Chaarani, Philip Spechler, Nicholas Fontaine, Pierre Rioux, Lindsay Lewis, Seun Jeon, Alan Evans, Deepak D'Souza, Rajiv Radhakrishnan, Tobias Banaschewski, Arun L W Bokde, Erin Burke Quinlan, Patricia Conrod, Sylvane Desrivières, Herta Flor, Antoine Grigis, Penny Gowland, Andreas Heinz, Bernd Ittermann, Jean-Luc Martinot, Marie-Laure Paillère Martinot, Frauke Nees, Dimitri Papadopoulos Orfanos, Tomáš Paus, Luise Poustka, Sabina Millenet, Juliane H Fröhner, Michael N Smolka, Henrik Walter, Robert Whelan, Gunter Schumann, Alexandra Potter, Hugh Garavan,

Affiliations

  1. Department of Psychiatry, University of Vermont Larner College of Medicine, Burlington.
  2. McConnell Brain Imaging Centre, McGill University, Montreal, Quebec, Canada.
  3. Department of Psychiatry, Yale University School of Medicine, New Haven, Connecticut.
  4. Department of Child and Adolescent Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
  5. Discipline of Psychiatry, School of Medicine and Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin, Ireland.
  6. Centre for Population Neuroscience and Precision Medicine, Institute of Psychiatry, Psychology, and Neuroscience, Social, Genetic & Developmental Psychiatry Centre, King's College London, London, United Kingdom.
  7. Department of Psychiatry, University of Montreal, Montreal, Quebec, Canada.
  8. Institute of Cognitive and Clinical Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
  9. Department of Psychology, School of Social Sciences, University of Mannheim, Mannheim, Germany.
  10. NeuroSpin, Commissariat à l'Energie Atomique, Université Paris-Saclay, Gif-sur-Yvette, France.
  11. Sir Peter Mansfield Imaging Centre School of Physics and Astronomy, University of Nottingham, University Park, Nottingham, United Kingdom.
  12. Department of Psychiatry and Psychotherapy Campus Charité Mitte, Charité-Universitätsmedizin Berlin, Berlin, Germany.
  13. corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.
  14. Berlin Institute of Health, Berlin, Germany.
  15. Physikalisch-Technische Bundesanstalt, Berlin, Germany.
  16. Institut National de la Santé et de la Recherche Médicale U A10 "Trajectoires développementales en psychiatrie" Université Paris-Saclay, Ecole Normale supérieure Paris-Saclay, CNRS, Centre Borelli, Gif-sur-Yvette, France.
  17. Institut National de la Santé et de la Recherche Médicale, INSERM U A10 "Trajectoires développementales en psychiatrie," Paris, France.
  18. Université Paris-Saclay, Ecole Normale supérieure Paris-Saclay, CNRS, Centre Borelli, Paris, France.
  19. AP-HP Sorbonne Université, Department of Child and Adolescent Psychiatry, Pitié-Salpêtrière Hospital, Paris, France.
  20. Institute of Medical Psychology and Medical Sociology, University Medical Center Schleswig Holstein, Kiel University, Kiel, Germany.
  21. Bloorview Research Institute, Holland Bloorview Kids Rehabilitation Hospital, Toronto, Ontario, Canada.
  22. Department of Psychology, University of Toronto, Toronto, Ontario, Canada.
  23. Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.
  24. Department of Child and Adolescent Psychiatry and Psychotherapy, University Medical Centre Göttingen, Göttingen, Germany.
  25. Department of Psychiatry and Neuroimaging Center, Technische Universität Dresden, Dresden, Germany.
  26. School of Psychology and Global Brain Health Institute, Trinity College Dublin, Ireland.
  27. Centre for Population Neuroscience and Precision Medicine Research Group, Department of Psychiatry and Psychotherapy, Campus Charite Mitte, Humboldt University, Berlin, Germany.
  28. Leibniz Institute for Neurobiology, Magdeburg, Germany.
  29. Institute for Science and Technology of Brain-inspired Intelligence, Fudan University, Shanghai, PR China.

PMID: 34132750 PMCID: PMC8209561 DOI: 10.1001/jamapsychiatry.2021.1258

Abstract

IMPORTANCE: Animal studies have shown that the adolescent brain is sensitive to disruptions in endocannabinoid signaling, resulting in altered neurodevelopment and lasting behavioral effects. However, few studies have investigated ties between cannabis use and adolescent brain development in humans.

OBJECTIVE: To examine the degree to which magnetic resonance (MR) imaging-assessed cerebral cortical thickness development is associated with cannabis use in a longitudinal sample of adolescents.

DESIGN, SETTING, AND PARTICIPANTS: Data were obtained from the community-based IMAGEN cohort study, conducted across 8 European sites. Baseline data used in the present study were acquired from March 1, 2008, to December 31, 2011, and follow-up data were acquired from January 1, 2013, to December 31, 2016. A total of 799 IMAGEN participants were identified who reported being cannabis naive at study baseline and had behavioral and neuroimaging data available at baseline and 5-year follow-up. Statistical analysis was performed from October 1, 2019, to August 31, 2020.

MAIN OUTCOMES AND MEASURES: Cannabis use was assessed at baseline and 5-year follow-up with the European School Survey Project on Alcohol and Other Drugs. Anatomical MR images were acquired with a 3-dimensional T1-weighted magnetization prepared gradient echo sequence. Quality-controlled native MR images were processed through the CIVET pipeline, version 2.1.0.

RESULTS: The study evaluated 1598 MR images from 799 participants (450 female participants [56.3%]; mean [SD] age, 14.4 [0.4] years at baseline and 19.0 [0.7] years at follow-up). At 5-year follow-up, cannabis use (from 0 to >40 uses) was negatively associated with thickness in left prefrontal (peak: t785 = -4.87, cluster size = 1558 vertices; P = 1.10 × 10-6, random field theory cluster corrected) and right prefrontal (peak: t785 = -4.27, cluster size = 1551 vertices; P = 2.81 × 10-5, random field theory cluster corrected) cortices. There were no significant associations between lifetime cannabis use at 5-year follow-up and baseline cortical thickness, suggesting that the observed neuroanatomical differences did not precede initiation of cannabis use. Longitudinal analysis revealed that age-related cortical thinning was qualified by cannabis use in a dose-dependent fashion such that greater use, from baseline to follow-up, was associated with increased thinning in left prefrontal (peak: t815.27 = -4.24, cluster size = 3643 vertices; P = 2.28 × 10-8, random field theory cluster corrected) and right prefrontal (peak: t813.30 = -4.71, cluster size = 2675 vertices; P = 3.72 × 10-8, random field theory cluster corrected) cortices. The spatial pattern of cannabis-related thinning was associated with age-related thinning in this sample (r = 0.540; P < .001), and a positron emission tomography-assessed cannabinoid 1 receptor-binding map derived from a separate sample of participants (r = -0.189; P < .001). Analysis revealed that thinning in right prefrontal cortices, from baseline to follow-up, was associated with attentional impulsiveness at follow-up.

CONCLUSIONS AND RELEVANCE: Results suggest that cannabis use during adolescence is associated with altered neurodevelopment, particularly in cortices rich in cannabinoid 1 receptors and undergoing the greatest age-related thickness change in middle to late adolescence.

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