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Frontier mental health research: psychedelics & drug studies

Each month our editorial team sifts through hundreds of papers and curates notable findings—for practitioners and informed readers who want to stay current with the evidence. Subscribe to the monthly Research Digest for expert analysis and concise summaries of key papers.

Physical Sciences Addiction

1 paper

Addiction

Based on 33 papers

Researchers are testing several new and old approaches to treat addiction. The most attention is on psychedelic-assisted psychotherapy — that is, giving a drug like psilocybin, MDMA, or ibogaine together with careful therapy — and on new drug compounds tested in animals. Some early clinical trials and many reviews call these approaches “promising,” but most evidence is still limited, mixed, or from small studies. At the same time, for some substances like methamphetamine there are no approved medicines that clearly reduce use. Animal studies and new chemical versions of old drugs show strong early results, but human safety and larger trials are still needed. Researchers also stress that the drug effect and the therapy around it (preparation, setting, and follow-up) both matter for how well treatment works.

Key findings

  • Giving psychedelic drugs together with psychotherapy has shown promising results in small clinical trials and reviews for some addictions and other mental illnesses. 15063 15051 15085 15073
  • MDMA-assisted therapy has the strongest and most consistent trial evidence for PTSD, and psychedelic therapies more broadly have growing but still limited evidence for some forms of addiction. 15063 15053 15085
  • Ibogaine has shown signs of helping with addiction in some studies, but it carries serious heart and neurological risks that stopped some earlier trials. 15085
  • Researchers made new “oxa-iboga” compounds that in lab heart-cell tests did not show the heart-rhythm risk of ibogaine, and in rats a single dose reduced long-term opioid use and relapse-like behavior. 15115
  • For methamphetamine use disorder, there are currently no approved medicines that clearly reduce cravings or lead to lasting abstinence in people. 15116
  • 5‑MeO‑DMT (a fast, short-acting psychedelic) is being explored as a possible treatment for alcohol use disorder, but the evidence is early; human reports show powerful subjective effects and brain-rhythm changes that might be relevant. 15122
  • Good preparation and therapeutic support before and after a psychedelic session — things like safety screening, building trust, and planning the setting — are widely agreed to be important for safety and likely for outcomes, but exact methods vary across studies. 15065 15051 15063
  • Some promising findings come from small studies, animal work, or historical reports. That means results may not always apply to people yet, and researchers note limits like small sample sizes and underrepresentation of people of color in trials. 15073 15095 15085
  • When ketamine is used under medical supervision for depression, large reviews find few clear cases of dependence, but patients still report worry about addictive risk and want more long-term safety data and monitoring. 8828 12365
  • In some communities, traditional healers use plant remedies for alcohol-related problems. These reports document local practices but do not prove those plants are effective in controlled clinical trials. 15118

Decoding substance use disorder severity from clinical notes using a large language model

Maria Mahbub, Gregory M. Dams, Sudarshan K. Srinivasan, Caitlin Rizy, Ioana Danciu, Jodie Trafton, et al.
npj Mental Health Research Summary & key facts 2025 10 citations

Researchers tested a type of artificial intelligence that reads doctors' notes to find how severe different substance use problems are. They used an open-source AI model called Flan-T5 and gave it carefully written instructions so it could find severity details without extra training. The AI found more of these severity…

Machine Learning in Healthcare Mental Health via Writing Topic Modeling Other
Summaries and links are for general information and education only. They are not a substitute for reading the original publication or for professional medical, legal, or other advice. Always refer to the linked source for the full study.