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Study identifier: NCT04882839 Synced from ClinicalTrials.gov · July 29, 2026
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Evaluating the Feasibility, Safety and Efficacy of Psychotherapy Assisted Psilocybin for Treatment of Severe OCD

Condition: Obsessive-compulsive Disorder  ·  Sponsor: Beersheva Mental Health Center

PhasePhase 2
Planned participants15
Who can joinAll sexes, 18 Years to 65 Years
Healthy volunteersNo

About this study

Obsessive-compulsive disorder (OCD) is a neuropsychiatric disorder characterized by recurrent distressing thoughts and substantial anxiety, accompanied by repetitive behaviors or mental rituals. Individuals with OCD often have diminished quality of life, and functional impairment . The disorder cause high personal, societal and economic costs . Current available treatments for OCD show moderate response rate and high rate of symptom relapse. The purpose of the current study is to explore new alternative options for the treatment of OCD that can widely and continuously benefit patients. Specifically, The aim of this study is to investigate the feasibility, safety and efficacy of psychotherapy assisted psilocybin for treatment of severe OCD. Previous research has shown safety of treatment and high efficacy in reduction of anxiety and depression symptoms. However, only one study has evaluated the use of psilocybin for OCD patients. The protocol includes 15 therapeutic sessions, of which 12 are one-hour sessions for psychological preparation and integration, and three are eight hours' experiential sessions under the influence of psilocybin. The research will include 15 participants diagnosed with severe OCD, with at least one treatment failure. Assessments will be based on comparing ratings of the main outcome measure (Y-BOCS), at baseline, at the middle and at end of treatment. Other assessments will include data on side effects- to evaluate safety, and possible spiritual variab…

This description comes directly from the study's public registry record.

Talk to the study team

Oded Arbel, Dr.  ·  +972506576691  ·  oded.arbel@gmail.com

Dor Danan, MD PhD  ·  +972524782140  ·  doriandanan@gmail.com

Always discuss trial participation with your own doctor first.

Locations (1)

Beer Sheva Mental Health CenterBeersheba, IsraelRecruiting

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Source record: clinicaltrials.gov/study/NCT04882839