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Social anxiety and MDMA-assisted therapy investigation: a novel clinical trial protocol

M. Kati Lear, Sarah M. Smith, Brian Pilecki, Chris S. Stauffer, Jason B. Luoma

Frontiers in Psychiatry July 15, 2023 DOI: 10.3389/fpsyt.2023.1083354 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Randomized open-label delayed treatment pilot study Peer reviewed
Sample size 20
Population Adults with moderate-to-severe generalized social anxiety disorder
Intervention MDMA-assisted therapy
Duration 16-week intervention period for immediate treatment condition; 6-month follow-up
Topics MDMA Anxiety
Keywords Social anxiety disorder Psychedelic research Clinical trial protocol Psychedelic assisted therapy MDMA Sessions Transformative treatment Debilitating condition Pioneering effort
Citations 14
Registration NCT05138068
Key points The protocol aims to assess preliminary treatment outcomes, feasibility, safety, and psychological and physiological processes of change in MDMA-assisted therapy for social anxiety disorder.

Abstract

BackgroundSocial anxiety disorder (SAD) is a serious and prevalent psychiatric condition that heavily impacts social functioning and quality of life. Though efficacious treatments exist for SAD, remission rates remain elevated and a significant portion of those affected do not access effective treatment, suggesting the need for additional evidence-based treatment options. This paper presents a protocol for an open-label pilot study of MDMA-assisted therapy (MDMA-AT) for social anxiety disorder. The study aims to assess preliminary treatment outcomes, feasibility and safety, and psychological and physiological processes of change in the treatment of SAD with MDMA-AT. A secondary aim includes the development of a treatment manual for MDMA-AT for SAD.MethodThe outlined protocol is a randomized, open-label delayed treatment study. We will recruit 20 participants who meet criteria with moderate-to-severe social anxiety disorder (SAD) of the generalized subtype. Participants will be randomly assigned to an immediate treatment (n = 10) or delayed treatment condition (n = 10). Those in the immediate treatment condition will proceed immediately to active MDMA-AT consisting of three preparation sessions, two medicine sessions in which they receive oral doses of MDMA, and six integration sessions over approximately a 16-week period. The delayed treatment condition will receive the same intervention after a 16-week delay. Our primary outcome is SAD symptom reduction as measured by the Liebowitz Social Anxiety Scale administered by blinded raters at post-treatment and 6 month follow up. Secondary outcomes include changes in functional impairment, feasibility and safety measures, and novel therapeutic processes of change including shame and shame-related coping, belongingness, self-concealment, and self-compassion at post-treatment. Exploratory outcomes are also discussed.DiscussionThe results of this pilot trial advance the field’s understanding of the acceptability and potential effectiveness of MDMA-AT for social anxiety disorder and provide an overview of relevant therapeutic mechanisms unique to SAD. We hope findings from this protocol will inform the design of subsequent larger-scale randomized controlled trials (RCT) examining the efficacy of MDMA-AT for SAD.Clinical trial registrationhttps://clinicaltrials.gov/, NCT05138068.

Comparable studies

Other randomized controlled trials on MDMA for anxiety, most cited first.

Study Year Design Participants
Gender differences in the subjective effects of MDMA Healthy volunteers with no or minimal MDMA experience 2001 Pooled analysis of three double-blind placebo-controlled studies n = 74
Reduction in social anxiety after MDMA-assisted psychotherapy with autistic adults: a randomized, double-blind, placebo-controlled pilot study. Autistic adults with marked to very severe social anxiety 2018 Randomized controlled trial n = 12
MDMA-assisted psychotherapy for treatment of anxiety and other psychological distress related to life-threatening illnesses: a randomized pilot study People with life-threatening illnesses and anxiety 2020 Randomized controlled trial n = 18
A randomized controlled trial of 3,4-methylenedioxymethamphetamine (MDMA) and fear extinction retention in healthy adults Healthy adults aged 21–55 from a major metropolitan area 2022 Randomized controlled trial n = 34
Effects of MDMA-assisted therapy for PTSD on self-experience Participants with severe PTSD 2024 Randomized controlled trial n = 90

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