The open index of psychedelic research

Open datasets, papers, preregistrations, and trials from across psychedelic science.

11,281 records6 sources
Showing 1,225–1,248 of 11,281
PreprintAyahuasca

Ayahuasca rituals among ultra-Orthodox (Haredi) Jews: context, phenomenology, changes, and negotiations

David J, Berkovich-Ohana A, Dor-Ziderman Y +3

Europe PMC2026
ArticleLSD

Effects of repeated low-dose LSD on neuropsychological functioning in adults with ADHD: a randomized placebo-controlled study.

Haijen-Bongers ECHM, Hurks PPM, Schepers J +6

Europe PMC2026
PreregistrationKetamine

Heterogeneous PHQ-9 trajectories during intranasal esketamine induction in real-world treatment-resistant depression

OSF2026
ProjectKetamine

Heterogeneous PHQ-9 trajectories during intranasal esketamine induction in real-world treatment-resistant depression

OSF2026
ArticleMDMA

Semantic confusion between "MD" and MDMA in Indian Addiction Psychiatry Practice.

Seervi A, Sharma I

Europe PMC2026
ArticleKetamine

Descriptive oxidative and lipid-related fluorescence observations associated with Esketamine treatment in a high-concentration NMDA-exposed HT-22/C8-D1A co-culture model.

Ni X, Zhou S, He X +4

Europe PMC2026
ArticleKetamine

Considering unintentional exposure when testing for cocaine use via oral fluid testing.

Palamar JJ, Krotulski AJ, Abukahok N +4

Europe PMC2026
ArticleKetamine

Benchmarking a Local Schema-Constrained Large Language Model Pipeline for Abstract Screening and Evidence Mapping.

Serretti A

Europe PMC2026
ArticlePsilocybin

Psilocybin-assisted therapy in treatment-resistant depression: rapid remission, uncertain durability, and the next phase of clinical evidence.

Sabani A, Khatak A

Europe PMC2026
ArticlePsilocybin

Psychedelic Use, Microdosing, Motives, and Information and Product Sources Among Young Adults in the United States.

Berg CJ, McCready DM, LoParco CR +6

Europe PMC2026
PreprintAyahuasca

Koshering Psychedelics: Ayahuasca in the Ultra-Orthodox (Haredi) Jewish World

David J, Berkovich-Ohana A, Dor-Ziderman Y +3

Europe PMC2026
PreprintPsilocybin

Sex-Specific Effects of Psilocybin Versus Escitalopram on Anxiety and Anhedonia: A Bayesian Reanalysis of Antidepressant Treatment Outcomes

Frick A, Blest-Hopley G, Grin M +3

Europe PMC2026
ArticleKetamine

Ketamine-Assisted Psychotherapy for Posttraumatic Stress Disorder: A Systematic Review and Individual Participant Data Meta-Analysis of Predictors of Treatment Effects.

Rohde J, Moore TM, Walker K +11

Europe PMC2026
PreprintAyahuasca

Beliefs in and experiences of sorcery, black magic and brujería among psychedelic users: a quantitative and qualitative survey

Evans J, Jurlando C, Luke D +3

Europe PMC2026
ArticleKetamine

Differentiating intentional ketamine use from unintentional exposure as an adulterant using oral fluid testing.

Palamar JJ, Krotulski AJ, Abukahok N +4

Europe PMC2026
ArticlePsychedelics

Cannabis, Psychedelics, and Other Substance Use to Manage Premenstrual Symptoms: A Survey Study.

Nazareth M, Paone V, Yaden ME +2

Europe PMC2026
ArticleMescaline

Plant Alkaloids Toxicity

Simpson M, Schaffer DH

Europe PMC2026
ArticlePsilocybin

Marketing by online tobacco retailers: An observational cross-sectional study.

Apollonio DE, Dennehy CE, Tsourounis C +1

Europe PMC2026
ArticlePsilocybin

DESI-MSI-Based Multi-Organ Distribution Mapping of Psilocin in Zebrafish.

Dong M, Zhang Y, Cao M +4

Europe PMC2026
ArticleMDMA

Protocol for a qualitative mechanistic study of MDMA with a sample of psychoanalytic psychotherapists: A phenomenological investigation.

Liberati E, Curran HV, Fonagy P +6

Europe PMC2026
ArticleMDMA

Psychedelics, the media portrayal and large-language model evaluations.

Clelland CL

Europe PMC2026
ArticleLSD

Acute and post-acute neurobehavioral responses to lysergic acid diethylamide in healthy subjects: a randomized controlled study.

Calder AE, Diehl VJ, Lietz MP +7

Europe PMC2026
ProjectMDMA

MDMA-Assisted Therapy for Post-Traumatic Stress Disorder in Australia: Analysis of a Translational Public Health Proposal and Independent Multi-Stage Evaluation

OSF2026
ArticleLSD

A single lysergyl peptide synthetase assembles lysergic acid amides in Aspergillus species.

Fabian SJ, Jones AM, Fuss JL +1

Europe PMC2026