Monthly research recap
Psychedelic-assisted therapy research: June 2026
What June 2026's 20 new studies found, synthesized from the papers below. All Psychedelic-assisted therapy research →
The synthesis
Synthesized from 20 studies in the library · AI-generated, grounded in the abstracts below
Found by searching the library for Psychedelic-assisted therapy, psychedelic therapy, assisted psychotherapy, drug-assisted therapy, then ranked by relevance.
Research in June 2026 found that MDMA-assisted psychotherapy shows a moderate-to-large reduction in PTSD symptoms, while ketamine's effect on PTSD was small and non-significant. For depression, real-world ketamine-assisted psychotherapy practices vary widely, and a pilot trial suggests ketamine-assisted psychotherapy may be acceptable for methamphetamine use disorder. However, the evidence base remains constrained by poor study quality, heterogeneity in protocols, and unresolved issues like blinding and expectancy effects.
Evidence by study
Direction is which way each study's own result points, not our rating of the study.
What the directions mean
- Supports:
- the study found the intervention worked, or its hypothesis held.
- Opposes:
- it found the opposite, no benefit or a harm.
- No effect:
- no significant difference either way.
- Mixed:
- effects in both directions within the same study.
- Unclear:
- the abstract does not report a direction.
| Study | Design | Sample size | Direction | Finding |
|---|---|---|---|---|
| The purpose of the psychosocial protocol in the psychedelic-assisted therapy: A scoping review 2026 | scoping review | 62 | Unclear | This scoping review categorized psychosocial protocols across 62 studies, finding limited reporting and heterogeneity as major challenges. |
| Navigating ‘k-land’: a qualitative exploration of participants’ experiences of ketamine-assisted psychotherapy for methamphetamine use disorder 2026 | qualitative | 14 | Supports | Participants described reduced emotional and cognitive reactivity after ketamine sessions and valued relational safety and clinical containment. |
| Ketamine-assisted psychotherapy for posttraumatic stress disorder: a systematic review and individual participant data meta-analysis of predictors of treatment effects. 2026 | systematic review and individual participant data meta-analysis | 533 | Supports | Greater PTSD symptom improvement was associated with more psychotherapy sessions, more ketamine sessions, higher baseline severity, and shorter treatment duration, but between-study heterogeneity was non-trivial and most studies were of poor quality. |
| Music Playlist Use in Clinical Trials of Psychedelic Assisted Psychotherapy: A Systematic Review 2026 | systematic review | 36 | Unclear | Music use in PAP varied considerably across 36 articles, with no standardized protocol, predominantly addressing depressive disorders and PTSD using psilocybin and MDMA. |
| Integrating psychedelic-assisted psychotherapy into addiction care in the Czech Republic: Clinical evidence, safety, and regulatory developments 2026 | narrative review | Mixed | The strongest evidence for addiction treatment comes from a limited number of randomized studies, while most literature remains observational or open-label, suggesting cautious clinical potential rather than established effectiveness. | |
| Psychedelic ethics in practice: The case of ketamine-assisted psychotherapy in Norway 2026 | qualitative | 16 | Unclear | Ethical challenges in KAP included inequitable access, difficulties with informed consent due to ketamine's unpredictability, and risks of fragmented care when ketamine is treated as a stand-alone cure. |
| Attitudes and perceptions of psychedelic therapy among clinical trial participants with alcohol use disorder: a mixed-method study 2026 | mixed-method | 112 | Supports | 64.3% of participants were willing to participate in a psychedelic therapy trial, with willingness significantly associated with higher expectations of research success. |
| Ketamine-Assisted Psychotherapy for Depression: A Survey of Current Practices, Rationales, and Future Directions. 2026 | cross-sectional survey | 50 | Unclear | Real-world KAP practices varied widely, with most providers using eclectic approaches and no significant association between psychotherapy modalities and treatment goals. |
| Psychedelic-Assisted Psychotherapy for the Treatment of PTSD: A Systematic Review and Meta-Analysis 2026 | systematic review and meta-analysis | 358 | Mixed | MDMA-assisted psychotherapy showed a significant moderate-to-large reduction in PTSD symptoms, while the pooled effect for ketamine was small and non-significant, and a single cannabidiol trial showed no clear benefit. |
| Developing Methods for Observing Awe Narration in Psilocybin-Assisted Therapy. 2026 | observational | 8 | Unclear | A direct observation coding system for awe narration was developed and refined, with coders identifying 246 moments of awe narration across 16,760 minutes of video. |
| Trials, trips, and tribulations: pathways for implementing psychedelic therapy in Ireland. 2026 | theoretical/policy review | Unclear | Recent larger-scale phase 3 trials of psilocybin for treatment-resistant depression have shown more modest effects, and the long-term trajectory of psychedelic therapies in public health systems remains uncertain. | |
| Optimizing music for psychedelic-assisted therapy: Examining contemporary practices, traditional entheogenic rituals, and musically-induced peak experiences 2026 | interdisciplinary literature review | Unclear | Conflicting musical features were found across modern PAT, traditional entheogenic rituals, and musically-induced peak experiences, with recommendations to tailor music to the drug, individual, and desired experience. | |
| Applying relational spirituality to develop spiritual and religious competencies in psychedelic-assisted psychotherapy training. 2026 | theoretical | Unclear | The relational spirituality model was proposed as a framework for developing spiritual and religious competencies in psychedelic-assisted psychotherapy training. | |
| Psychedelic Therapy and the Role of Music: A Scoping Review of Quantitative Evidence on Subjective and Objective Outcomes. 2026 | scoping review | 330 | Unclear | Only 19 papers met inclusion criteria for quantitative research on music and psychedelics, with psilocybin and LSD most studied and no studies on MDMA and music. |
| A Missing Voice? Peer Support Workers' Perceptions of Psychedelic-Assisted Therapy in Australia: A Cross-Sectional Survey. 2026 | cross-sectional survey with qualitative interviews | Supports | Survey responses indicated strong PSW support for PAT, with most willing to recommend it to clients, though qualitative findings highlighted concerns about safety, psychoeducation, stigma, and accessibility. | |
| Exploring Knowledge, Attitudes and Openness toward Psychedelics among Medical and Psychology Students in a Conservative Cultural Setting. 2026 | cross-sectional survey | 360 | Mixed | Psychology students reported significantly higher knowledge, more positive attitudes, and greater openness to psychedelics than medical students. |
| From therapeutic promise to evidentiary discipline: Reassessing MDMA-assisted psychotherapy for posttraumatic stress disorder. 2026 | commentary | Unclear | This commentary argued that the evidence base for MDMA-assisted psychotherapy for PTSD remains constrained by difficulties in blinding, expectancy effects, lack of active comparators, and limited mechanistic clarity. | |
| Meaning-Centered Psychotherapy for Psilocybin-Assisted Therapy Among Patients with Advanced Cancer and Depression: Rationale and Preliminary Evaluation of MCP-PSIL. 2026 | qualitative | 13 | Supports | Focus groups underscored the value of meaning-centered psychotherapy as a framework for psilocybin-assisted therapy, leading to the development of a 5-session MCP-PSIL model. |
| Hallucinogen-Assisted Psychotherapy for Trauma Disorders: A Bionian Lens. 2026 | theoretical | Unclear | This article applied Bion's theory of containment to neurobiological models of trauma and the effects of MDMA and classic psychedelics. | |
| Suggested Guidelines for Applying a Systemic Lens to Psychedelic-Assisted Psychotherapy. 2026 | theoretical | Unclear | This conceptual article proposed a systemic approach to psychedelic-assisted psychotherapy that includes relational figures and measures relational quality, attachment, and communication patterns. |
Points of agreement
- MDMA-assisted psychotherapy shows a promising efficacy signal for PTSD symptom reduction across multiple reviews.
- There is broad recognition that methodological challenges (blinding, expectancy, heterogeneity) limit the current evidence base.
- Music is considered an important component of psychedelic-assisted therapy, but standardized protocols are lacking.
- Qualitative studies highlight the importance of therapeutic context, relational safety, and integration sessions.
Conflicts
- MDMA showed a significant moderate-to-large effect on PTSD in one meta-analysis, while ketamine's effect was small and non-significant in the same analysis, but another IPDMA found positive predictors for ketamine-assisted psychotherapy.
- Phase 3 trials of psilocybin for treatment-resistant depression have shown more modest effects compared to earlier phase 2 trials.
- Real-world KAP practices vary widely with no clear logic linking psychotherapy modalities to treatment goals.
Gaps
- Long-term durability of treatment gains is not well established.
- Most studies are small, open-label, or of poor quality; large, well-controlled RCTs are needed.
- Standardized protocols for music, psychotherapy modalities, and dosing are lacking.
- Research on psychedelic-assisted therapy in diverse populations and conservative cultural settings is scarce.
- Mechanistic clarity and active comparator conditions are missing from most trials.