Frontier mental health research: psychedelics & drug studies

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27 papers

Anxiety or worry

Based on 41 papers

Researchers are finding several promising ways to reduce anxiety and worry. The strongest and most consistent clinical results so far come from giving psychedelic or fast‑acting drugs together with careful psychotherapy. Ketamine, MDMA, and psilocybin show the quickest and clearest positive results in trials for related problems. Non‑drug approaches like talking therapies and physical activity also help and have longer histories of evidence. At the same time, many drug studies are still small, early‑stage, or done in narrowly selected groups. Important factors that shape outcomes include how the drug is given, the therapy around it, and safety monitoring. There are real risks and unanswered questions, so scientists say more large, diverse, and carefully run trials are needed before these treatments become routine.

Key findings

  • Giving psychedelic drugs together with structured psychotherapy has produced positive results in clinical trials, especially for hard‑to‑treat depression and for PTSD when MDMA is used with therapy. 15063 15086 15053 15085
  • Clinical trials testing psychedelics specifically for people diagnosed with anxiety disorders are fewer and smaller, but a review of nine trials reported reductions in anxiety for several drugs (ketamine, LSD, MDMA, psilocybin, ayahuasca). This evidence is promising but still limited. 15068 15053
  • Ketamine can reduce depressive and anxiety‑like symptoms quickly. Animal and cell studies show low ketamine doses change glutamate receptors and boost fast synaptic activity, which likely helps its rapid effects in people. 10148 15068 15091
  • Non‑drug treatments also have solid evidence. High‑quality reviews find psychodynamic psychotherapy helps some anxiety problems, and walking and other physical activity produce medium‑sized drops in anxiety symptoms in randomized trials. 13302 8785 8792
  • How a psychedelic session is prepared and run matters a lot. Reviews and treatment guides agree that screening, preparing a person’s mindset, the physical setting, and follow‑up therapy are commonly used and considered important for safety and benefit. 15065 15086 15063 15092
  • Psychedelics appear to change the brain by increasing plasticity (the brain’s ability to form new connections) and by lowering inflammation in some studies, but human evidence for measurable blood markers (like BDNF) is mixed and not conclusive. 15132 15050 15091 15129
  • There are safety concerns and limits to generalizing results. Serious risks have been linked to some compounds (for example ibogaine can have cardiac risks), long‑lasting perceptual problems have been reported after hallucinogen use, and many trials include few people of color. 15085 15080 15048 15095
  • Many clinical trials are early‑stage or small. No psychedelic medicine is yet widely approved for anxiety disorders, and researchers call for larger, well‑controlled, and more diverse studies before changing standard care. 15078 15056 15095

Emotion-regulation strategies across psychopathology: A meta-analytic review

Amelia Aldao, Susan Nolen–Hoeksema, Susanne Schweizer
PubMed Summary & key facts 2010 6,290 citations

This meta-analysis combined 241 effect sizes from 114 studies to test how six habitual emotion-regulation strategies relate to symptoms of anxiety, depression, eating disorders, and substance-related problems. Rumination showed the strongest (large) link with symptoms. Avoidance, problem solving, and suppression showed medium-to-large links, while reappraisal and acceptance showed smaller (small-to-medium)…

Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes Child and Adolescent Psychosocial and Emotional Development Mental Health Research Topics

RETRACTED ARTICLE: MDMA-assisted psychotherapy for treatment of PTSD: study design and rationale for phase 3 trials based on pooled analysis of six phase 2 randomized controlled trials

Michael C. Mithoefer, Allison A. Feduccia, Lisa Jerome, Anne Mithoefer, Mark T. Wagner, Zach Walsh, et al.
Psychopharmacology Summary & key facts 2019 357 citations

This paper pooled data from six randomized, double‑blind phase‑2 trials of MDMA‑assisted psychotherapy for adults with PTSD (total N=103). After two blinded MDMA sessions, the MDMA group showed larger reductions in clinician‑rated PTSD symptoms than the control group (mean difference −22.0 points on the CAPS‑IV, P < 0.001) and a…

Cannabis and Cannabinoid Research Posttraumatic Stress Disorder Research Psychedelics and Drug Studies MDMA

Inclusion of people of color in psychedelic-assisted psychotherapy: a review of the literature

Timothy I. Michaels, Jennifer Purdon, Alexis Collins, Monnica T. Williams
BMC Psychiatry Summary & key facts 2018 247 citations

The authors reviewed psychedelic-assisted psychotherapy studies published from 1993 to 2017 to see how many people of color took part. They found 18 studies with about 280 people. About 82% of participants were non-Hispanic White, while only small percentages were African American, Latino, Asian, indigenous, or mixed race. Because so…

Natural Compound Pharmacology Studies Neurotransmitter Receptor Influence on Behavior Psychedelics and Drug Studies Ayahuasca LSD

The effectiveness of psychodynamic psychotherapies: An update

Peter Fonagy
World Psychiatry Summary & key facts 2015 241 citations

Researchers reviewed many outcome studies and meta-analyses of psychodynamic therapy, which is a type of talking therapy that explores feelings, relationships, and past experiences. They found that psychodynamic therapy often works better than doing nothing (for example being on a waitlist, getting only usual care, or a placebo) for depression,…

Mental Health and Psychiatry Personality Disorders and Psychopathology Psychotherapy Techniques and Applications

Psychedelic-Assisted Psychotherapy: A Paradigm Shift in Psychiatric Research and Development

Eduardo Ekman Schenberg
Frontiers in Pharmacology Summary & key facts 2018 229 citations

This paper describes psychedelic-assisted psychotherapy, which means giving drugs like ketamine, MDMA, psilocybin, LSD or ibogaine together with guided therapy. The authors say this approach has shown promising safety and benefits so far, even for people who did not get better with usual treatments. They also argue that these therapies…

Chemical synthesis and alkaloids Neurotransmitter Receptor Influence on Behavior Psychedelics and Drug Studies Ibogaine Ketamine

Psychedelics in Psychiatry: Neuroplastic, Immunomodulatory, and Neurotransmitter Mechanisms

Antonio Inserra, Danilo De Gregorio, Gabriella Gobbi
Pharmacological Reviews Summary & key facts 2020 215 citations

This review looked at many studies about classic psychedelics (like psilocybin and LSD), MDMA, ketamine, and plant medicines (like ayahuasca). The authors explain how these drugs can change the brain’s wiring, calm inflammatory processes, and shift key brain chemicals. Those actions may help explain why small clinical trials and animal…

Neurotransmitter Receptor Influence on Behavior Psychedelics and Drug Studies Tryptophan and brain disorders Ayahuasca Ketamine

Psychedelic Treatments for Psychiatric Disorders: A Systematic Review and Thematic Synthesis of Patient Experiences in Qualitative Studies

Joost J. Breeksema, Alistair Niemeijer, Erwin Krediet, Eric Vermetten, Robert A. Schoevers
CNS Drugs Summary & key facts 2020 207 citations

Researchers collected and read 15 studies where patients described their own experiences with psychedelic treatments for mental disorders. These studies looked at about 180 patient accounts across different drugs and different illnesses. Even though the drugs and treatment settings were very different, many patients described similar helpful processes, such as…

Chemical synthesis and alkaloids Neurotransmitter Receptor Influence on Behavior Psychedelics and Drug Studies Ayahuasca Ibogaine

Psychedelic medicine: a re-emerging therapeutic paradigm

Kenneth W. Tupper, Evan Wood, Richard Yensen, Matthew W. Johnson

Researchers around the world have started clinical studies again to see if psychedelic drugs can help treat serious mental health problems. This work picks up after research that stopped around the 1950s. Scientists are running controlled studies to test whether these substances can safely reduce problems like depression, anxiety, addiction…

Chemical synthesis and alkaloids Neurotransmitter Receptor Influence on Behavior Psychedelics and Drug Studies Ketamine LSD

Legal highs: staying on top of the flood of novel psychoactive substances

David Baumeister, Luis M. Tojo, Derek K. Tracy

This review explains the fast-growing problem of so-called "legal highs", which are better called novel psychoactive substances or NPS. Unknown labs keep making slightly different chemicals to avoid bans, and this led to about 80 new substances being spotted in one year. The paper groups these drugs into five main…

Forensic Toxicology and Drug Analysis Neurotransmitter Receptor Influence on Behavior Psychedelics and Drug Studies Cannabis Ketamine

The Influence of the COVID-19 Pandemic on Social Anxiety: A Systematic Review

Reuben Kindred, Glen Bates

This systematic review looked at 33 studies about social anxiety during the COVID-19 pandemic. The studies suggest social anxiety increased in the general population. Women and people with low incomes appeared more likely to report higher social anxiety. Other links to higher social anxiety included poor coping, weaker social support,…

Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes COVID-19 and Mental Health Perfectionism, Procrastination, Anxiety Studies

The therapeutic potential of psilocybin: a systematic review

Jan van Amsterdam, Wim van den Brink
Expert Opinion on Drug Safety Summary & key facts 2022 73 citations

This paper looked across existing studies of psilocybin and found that, when it is given along with psychotherapy or therapy-style support, it looks promising as a treatment for several mental health problems, including cases that did not get better with other treatments. But the authors say the current studies are…

Chemical synthesis and alkaloids Neurotransmitter Receptor Influence on Behavior Psychedelics and Drug Studies Psilocybin

Effectiveness of Digital Mental Health Tools to Reduce Depressive and Anxiety Symptoms in Low- and Middle-Income Countries: Systematic Review and Meta-analysis

Jiyeong Kim, Lois Maame Donkor Aryee, Heejung Bang, Steffi Prajogo, Yong Kyung Choi, Jeffrey S. Hoch, et al.
JMIR Mental Health Summary & key facts 2023 63 citations

The researchers did a large, careful search for studies of digital mental health tools (things like websites, phone apps, text messages, or online therapy) aimed at reducing depression and anxiety in low- and middle-income countries. They only kept randomized controlled trials, which are studies where people are randomly put into…

Digital Mental Health Interventions Impact of Technology on Adolescents Mental Health Research Topics
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