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Effectiveness of Mindfulness-Based Cognitive Therapy With Follow-Up Sessions for Pharmacotherapy-Refractory Anxiety Disorders: Protocol for a Feasibility Randomized Controlled Trial

Mitsuhiro Sado, Akira Ninomiya, Maki Nagaoka, Akihiro Koreki, Naho Goto, Yohei Sasaki, Chie Takamori, Teppei Kosugi, Masashi Yamada, Sunre Park, Yasunori Sato, Daisuke Fujisawa, Atsuo Nakagawa, Masaru Mimura

JMIR Research Protocols August 28, 2023 DOI: 10.2196/33776 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Feasibility randomized controlled trial Peer reviewed
Sample size 43
Population Adults aged 20–65 with panic disorder, agoraphobia, or social anxiety disorder not remitted after at least 4 weeks of usual treatment
Duration 8-week intervention, 10-month follow-up
Topics Anxiety Meditation
Key findings The study is ongoing and no results are reported; it assesses feasibility outcomes to inform a future definitive RCT.

Abstract

BackgroundAugmented mindfulness-based cognitive therapy (MBCT) with treatment as usual (mainly pharmacotherapy) is reported to be effective after treatment for anxiety disorders. However, whether its effectiveness persists in the long term is unclear. ObjectiveThis study aims to examine the feasibility, acceptability, and effectiveness of a follow-up program by conducting a feasibility randomized controlled trial (RCT) that compares augmented MBCT with follow-up sessions and that without follow-up sessions in preparation for a definitive RCT. MethodsThe study involves an 8-week MBCT with a 10-month follow-up. Patients aged 20 to 65 years who meet the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV) criteria for panic disorder, agoraphobia, or social anxiety disorder, which is not remitted with usual treatment for at least 4 weeks, will be included in the study and randomly allocated to receive augmented MBCT with follow-up sessions or augmented MBCT without follow-up sessions. For this feasibility RCT, the primary outcomes are (1) study inclusion rate, (2) dropout rate, (3) attendance rate, and (4) mean and standard deviation of several clinical measures at 8 weeks and 5, 8, and 12 months. ResultsWe started recruiting participants in January 2020, and 43 participants have been enrolled up to January 2021. The study is ongoing, and data collection will be completed by May 2022. ConclusionsThis study is novel in terms of its design, which compares augmented MBCT with and without follow-up sessions. The limitations of the trial are as follows: (1) mixed participants in terms of the delivery mode of the intervention, and (2) lack of a pharmacotherapy-alone arm. Owing to its novelty and significance, this study will provide fruitful knowledge for future definitive RCTs. Trial RegistrationUMIN Clinical Trials Registry UMIN000038626; https://tinyurl.com/2p9dtxzh International Registered Report Identifier (IRRID)DERR1-10.2196/33776

Comparable studies

Other randomized controlled trials on anxiety, most cited first.

Study Year Design Participants
Prevention of relapse/recurrence in major depression by mindfulness-based cognitive therapy. Recovered recurrently depressed patients 2000 Randomized controlled trial n = 145
Psilocybin produces substantial and sustained decreases in depression and anxiety in patients with life-threatening cancer: A randomized double-blind trial Cancer patients with life-threatening diagnoses and symptoms of depression and/or anxiety 2016 Randomized controlled trial n = 51
Rapid and sustained symptom reduction following psilocybin treatment for anxiety and depression in patients with life-threatening cancer: a randomized controlled trial Patients with cancer-related anxiety and depression 2016 Double-blind, placebo-controlled, crossover trial n = 29
Psilocybin can occasion mystical-type experiences having substantial and sustained personal meaning and spiritual significance Hallucinogen-naïve adults reporting regular participation in religious or spiritual... 2006 Double-blind study n = 36
Pilot Study of Psilocybin Treatment for Anxiety in Patients With Advanced-Stage Cancer Adults with advanced-stage cancer and anxiety 2010 Double-blind, placebo-controlled study n = 12

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