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  • Mindfulness-Based Cognitive Therapy in Advanced Prostate Cancer: A Randomized Controlled Trial

    Author(s)
    Chambers, Suzanne K
    Occhipinti, Stefano
    Foley, Elizabeth
    Clutton, Samantha
    Legg, Melissa
    Berry, Martin
    Stockler, Martin R
    Frydenberg, Mark
    Gardiner, Robert A
    Lepore, Stephen J
    Davis, Ian D
    Smith, David P
    Griffith University Author(s)
    Chambers, Suzanne K.
    Year published
    2017
    Metadata
    Show full item record
    Abstract
    Purpose: Advanced prostate cancer (PC) is associated with substantial psychosocial morbidity. We sought to determine whether mindfulness-based cognitive therapy (MBCT) reduces distress in men with advanced PC. Methods: Men with advanced PC (proven metastatic and/or castration-resistant biochemical progression) were randomly assigned to an 8-week, group-based MBCT intervention delivered by telephone (n = 94) or to minimally enhanced usual care (n = 95). Primary intervention outcomes were psychological distress, cancer-specific distress, and prostate-specific antigen anxiety. Mindfulness skills were assessed as potential ...
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    Purpose: Advanced prostate cancer (PC) is associated with substantial psychosocial morbidity. We sought to determine whether mindfulness-based cognitive therapy (MBCT) reduces distress in men with advanced PC. Methods: Men with advanced PC (proven metastatic and/or castration-resistant biochemical progression) were randomly assigned to an 8-week, group-based MBCT intervention delivered by telephone (n = 94) or to minimally enhanced usual care (n = 95). Primary intervention outcomes were psychological distress, cancer-specific distress, and prostate-specific antigen anxiety. Mindfulness skills were assessed as potential mediators of effect. Participants were assessed at baseline and were followed up at 3, 6, and 9 months. Main statistical analyses were conducted on the basis of intention to treat. Results: Fourteen MBCT groups were conducted in the intervention arm. Facilitator adherence ratings were high (> 93%). Using random-effects mixed-regression models, intention-to-treat analyses indicated no significant changes in intervention outcomes or in engagement with mindfulness for men in MBCT compared with those receiving minimally enhanced usual care. Per-protocol analyses also found no differences between arms in outcomes or engagement, with the exception of the mindfulness skill of observing, which increased over time for men in MBCT compared with usual care (P = .032). Conclusion: MBCT in this format was not more effective than minimally enhanced usual care in reducing distress in men with advanced PC. Future intervention research for these men should consider approaches that map more closely to masculinity.
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    Journal Title
    Journal of Clinical Oncology
    Volume
    35
    Issue
    3
    DOI
    https://doi.org/10.1200/JCO.2016.68.8788
    Copyright Statement
    Self-archiving of the author-manuscript version is not yet supported by this journal. Please refer to the journal link for access to the definitive, published version or contact the author[s] for more information.
    Subject
    Clinical sciences
    Oncology and carcinogenesis
    Clinical and health psychology
    Publication URI
    http://hdl.handle.net/10072/339099
    Collection
    • Journal articles

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