Zeifman RJ

Centre for Psychedelic Research, Imperial College London, London, United Kingdom.

27 papers · ORCID

ArticlePsilocybin

On the meaning of "plasticity" in neuroscience and mental health research and its relation to the action of psychedelic therapy.

Carhart-Harris RL, Zeifman RJ, Pasquini L +8

Europe PMC2026
ArticlePsilocybin

Efficacy and Safety of Psychedelic Microdosing on Psychological Outcomes in Healthy Adults: A Systematic Review and Meta-analysis.

Meshkat S, Leung M, Meshkat S +13

Europe PMC2026
ArticlePsilocybin

Human brain changes after first psilocybin use.

Lyons T, Spriggs M, Kerkelä L +20

Europe PMC2026
ArticlePsychedelics

Magnitude of response in treatment and control groups within psychedelic trials for psychiatric disorders: A meta-analysis.

Meshkat S, Lin Q, Sousa-Ho R +15

Europe PMC2026
ArticleMDMA

Self-compassion mediates treatment effects in MDMA-assisted therapy for posttraumatic stress disorder.

Agin-Liebes G, Zeifman RJ, Mitchell JM

Europe PMC2025
ArticlePsilocybin

Therapeutic Effects of Low-Dose Psilocybin in Depression and Other Mental Disorders: A Systematic Review.

Meshkat S, Fang H, Sousa-Ho R +11

Europe PMC2026
ArticlePsilocybin

Efficacy and safety of psilocybin for the treatment of substance use disorders: A systematic review.

Meshkat S, Malik G, Zeifman RJ +12

Europe PMC2025
ArticlePsilocybin

Pharmacokinetics of Psilocybin: A Systematic Review.

Meshkat S, Al-Shamali H, Perivolaris A +13

Europe PMC2025
ArticlePsilocybin

Exploring serotonergic psychedelics as a treatment for personality disorders.

Carrithers BM, Roberts DE, Weiss BM +7

Europe PMC2025
ArticlePsilocybin

From relaxed beliefs under psychedelics (REBUS) to revised beliefs after psychedelics (REBAS).

Zeifman RJ, Spriggs MJ, Kettner H +5

Europe PMC2025
ArticlePsilocybin

Multidimensional Personality Changes Following Psilocybin-Assisted Therapy in Patients With Alcohol Use Disorder: Results From a Double-Blind, Placebo-Controlled Clinical Trial.

Pagni BA, Zeifman RJ, Mennenga SE +6

Europe PMC2025
ArticlePsilocybin

Psilocybin-assisted psychotherapy improves psychiatric symptoms across multiple dimensions in patients with cancer.

Petridis PD, Grinband J, Agin-Liebes G +5

Europe PMC2024
ArticlePsilocybin

Psychological flexibility as a mechanism of change in psilocybin-assisted therapy for major depression: results from an exploratory placebo-controlled trial.

Sloshower J, Zeifman RJ, Guss J +5

Europe PMC2024
ArticlePsychedelics

A Systematic Review of Study Design and Placebo Controls in Psychedelic Research.

Wen A, Singhal N, Jones BDM +6

Europe PMC2024
ArticlePsychedelics

Psychiatric risks for worsened mental health after psychedelic use.

Marrocu A, Kettner H, Weiss B +3

Europe PMC2024
ArticleDMT

Effects of DMT on mental health outcomes in healthy volunteers.

Timmermann C, Zeifman RJ, Erritzoe D +2

Europe PMC2024
ArticleMDMA

Preliminary evidence for the importance of therapeutic alliance in MDMA-assisted psychotherapy for posttraumatic stress disorder.

Zeifman RJ, Kettner H, Ross S +4

Europe PMC2024
ArticlePsilocybin

Co-use of MDMA with psilocybin/LSD may buffer against challenging experiences and enhance positive experiences.

Zeifman RJ, Kettner H, Pagni BA +5

Europe PMC2023
ArticlePsilocybin

Exploring the Potential Utility of Psychedelic Therapy for Patients With Amyotrophic Lateral Sclerosis.

Gold ND, Mallard AJ, Hermann JC +4

Europe PMC2023
ArticlePsilocybin

How does psilocybin therapy work? An exploration of experiential avoidance as a putative mechanism of change.

Zeifman RJ, Wagner AC, Monson CM +1

Europe PMC2023
ArticlePsilocybin

Canalization and plasticity in psychopathology.

Carhart-Harris RL, Chandaria S, Erritzoe DE +11

Europe PMC2023
ArticlePsychedelics

Correction to "On the Relationship between Classic Psychedelics and Suicidality: A Systematic Review".

Zeifman RJ, Singhal N, Breslow L +1

Europe PMC2022
ArticlePsilocybin

Acute and Sustained Reductions in Loss of Meaning and Suicidal Ideation Following Psilocybin-Assisted Psychotherapy for Psychiatric and Existential Distress in Life-Threatening Cancer.

Ross S, Agin-Liebes G, Lo S +8

Europe PMC2021
ArticlePsilocybin

On the Relationship between Classic Psychedelics and Suicidality: A Systematic Review.

Zeifman RJ, Singhal N, Breslow L +1

Europe PMC2021
ArticleAyahuasca

Rapid and sustained decreases in suicidality following a single dose of ayahuasca among individuals with recurrent major depressive disorder: results from an open-label trial.

Zeifman RJ, Singhal N, Dos Santos RG +4

Europe PMC2021
ArticlePsychedelics

Post-Psychedelic Reductions in Experiential Avoidance Are Associated With Decreases in Depression Severity and Suicidal Ideation.

Zeifman RJ, Wagner AC, Watts R +3

Europe PMC2020
ArticleAyahuasca

The Impact of Ayahuasca on Suicidality: Results From a Randomized Controlled Trial.

Zeifman RJ, Palhano-Fontes F, Hallak J +3

Europe PMC2019