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Enhanced psychosocial well-being following participation in a mindfulness-based stress reduction program is associated with increased natural killer cell activity.

Carolyn Y. Fang, Diane K. Reibel, Margaret L Longacre, Steven Rosenzweig, Donald E Campbell, Steven D Douglas

The Journal of Alternative and Complementary Medicine May 2010 DOI: 10.1089/acm.2009.0018 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Single-group pretest/post-test pilot study Peer reviewed
Sample size 24
Population Heterogeneous patients aged 28-72 years, English-speaking, without known autoimmune disorder
Intervention Mindfulness-based stress reduction (MBSR)
Duration 8-week MBSR program, assessments within 2 weeks post-MBSR
Measures Brief Symptom Inventory-18, Medical Outcomes Survey Short-Form Health Survey, natural killer cell cytolytic activity, C-reactive protein
Topics Meditation
Key points MBSR participation was associated with significant improvements in anxiety and overall distress, and reductions in these measures correlated with decreased CRP. Improved mental well-being was linked to increased NK cytolytic activity, whereas no improvement showed no change in NK activity.

Abstract

Mindfulness-based stress reduction (MBSR) programs have consistently been shown to enhance the psychosocial well-being of participants. Given the well-established association between psychosocial factors and immunologic functioning, it has been hypothesized that enhanced psychosocial well-being among MBSR participants would be associated with corresponding changes in markers of immune activity. The objectives of this study were to examine changes in psychosocial and immunologic measures in a heterogeneous patient sample following participation in a MBSR program. A single-group, pretest/post-test design was utilized. The intervention was conducted at an academic health center. This pilot study involved 24 participants (aged 28-72 years). Inclusion criteria were as follows: > or =18 years of age, English-speaking, and no known autoimmune disorder. The intervention was an 8-week MBSR program. Distress and quality of life (QOL) measures included the Brief Symptom Inventory-18 and the Medical Outcomes Survey Short-Form Health Survey, respectively. Immunologic measures included natural killer (NK) cell cytolytic activity and C-reactive protein (CRP). Patients completed psychosocial assessments and provided a blood sample at baseline (pre-MBSR) and within 2 weeks post-MBSR. Significant improvements in anxiety and overall distress as well as across multiple domains of QOL were observed from baseline to post-MBSR. Reductions in anxiety and overall distress were associated with reductions in CRP. Patients who reported improvement in overall mental well-being also showed increased NK cytolytic activity from pre- to post-MBSR, whereas patients who reported no improvement in mental well-being showed no change in NK cytolytic activity. Positive improvement in psychologic well-being following MBSR was associated with increased NK cytolytic activity and decreased levels of CRP.

Comparable studies

Other non-randomized and open-label trials on meditation, most cited first.

Study Year Design Participants
Mindfulness-Based Stress Reduction in Relation to Quality of Life, Mood, Symptoms of Stress, and Immune Parameters in Breast and Prostate Cancer Outpatients Early-stage breast and prostate cancer patients 2003 Pre-post intervention study n = 59
Exploring self‐compassion and empathy in the context of mindfulness‐based stress reduction (MBSR) Community sample 2010 Pre-post intervention study
Mindfulness-Based Stress Reduction Lowers Psychological Distress In Medical Students Second-year medical students 2003 Prospective nonrandomized cohort-controlled study n = 302
Intensive meditation training, immune cell telomerase activity, and psychological mediators. Retreat participants and matched controls 2011 Controlled trial with wait-list control group n = 60
The Effectiveness of Mindfulness Training for Children with ADHD and Mindful Parenting for their Parents Children aged 8-12 with ADHD and their parents 2011 Within-group waitlist controlled trial n = 22

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