慢性疼痛の新たな治療法を退役軍人向けに研究(Finding a better way to treat chronic pain in veterans)

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2026-05-14 イェール大学

イェール大学医学部の研究チームは、退役軍人に多い慢性疼痛に対する新たな治療アプローチの有効性を検討している。慢性疼痛は退役軍人の生活の質や精神健康に深刻な影響を及ぼし、従来はオピオイド系鎮痛薬への依存が大きな問題となっていた。研究では、薬物治療だけに頼らず、心理療法、行動療法、身体活動、遠隔医療などを組み合わせた包括的疼痛管理プログラムに注目している。特に、患者自身が痛みへの対処法を学ぶ自己管理型アプローチや、PTSD・うつ症状との関連を考慮した統合ケアが重要視されている。研究チームは、個々の患者特性に応じた精密医療的アプローチが、痛み軽減だけでなく社会復帰や精神的安定にも寄与すると指摘している。今回の取り組みは、退役軍人医療だけでなく、一般的な慢性疼痛治療モデルの改善にもつながる可能性がある。

<関連情報>

退役軍人省の慢性疼痛管理のための包括的健康アプローチ wHOPE無作為化臨床試験 The Veterans Affairs’ Whole Health Approach for Chronic Pain Management The wHOPE Randomized Clinical Trial

Karen H. Seal, MD, MPH; Benjamin J. Morasco, PhD; Aaron M. Martin, PhD;et al
Journal of the American Medical Association Published:April 29, 2026
DOI:10.1001/jama.2026.5006

Key Points

Question In veterans with chronic pain, does the Department of Veterans Affairs (VA) whole health team approach reduce pain interference more than cognitive behavioral therapy and more than usual care?

Findings In this randomized clinical trial of 764 VA patients, the whole health team approach reduced pain interference (range, 0-10; higher scores indicate worse pain) more than cognitive behavioral therapy (mean difference, −0.58 points) and more than usual care (mean difference, −0.77 points).

Meaning These results support the whole health team approach to improve pain interference in patients with chronic pain.

Abstract

Importance The US Department of Veterans Affairs (VA) Whole Health approach was congressionally mandated in 2016 for patients with chronic pain receiving care in VA hospitals, but no randomized clinical trials have tested its benefits.

Objective To evaluate the effectiveness of a whole health team intervention in VA patients with chronic pain compared with cognitive behavioral therapy and with usual care, and to evaluate the effectiveness of cognitive behavioral therapy compared with usual care in reducing long-term pain interference.

Design, Setting, and Participants This randomized clinical trial involving 6 VA health systems in the US enrolled participants between September 18, 2020, and January 19, 2024. Final follow-up occurred on January 27, 2025. Analyses took place between April 1, 2025, and February 3, 2026. Participants were patients with chronic pain receiving VA primary care.

Interventions Patients with chronic pain were randomized (11:11:2) to receive a whole health team intervention (n = 343), cognitive behavioral therapy for chronic pain delivered in group sessions (n = 339), or usual care (n = 82) for 12 months. The whole health team included a primary physician or nurse practitioner, a second clinician providing nonpharmacological or integrative pain care, and a coach. The team provided interdisciplinary, individualized care consistent with the VA Whole Health model to attain personal health goals aligned with patients’ personal values and life goals.

Main Outcomes and Measures The primary outcome was the Brief Pain Inventory interference (BPI-I) subscale score (range, 0-10 points; higher scores indicate worse interference from pain; minimal clinically important difference, 1.0) at 12 months.

Results Of 764 randomized patients (mean [SD] age, 60.5 [12.3] years; 66.5% were men), 632 (82.7%) completed 12-month follow-up. At 12 months, the whole health group had significantly improved pain interference scores (from 6.6 to 4.9) compared with the cognitive behavioral therapy (from 6.4 to 5.5) (mean difference, −0.58 [97% CI, −1.11 to −0.05]; P = .02) and usual care (from 6.4 to 5.7) (mean difference, −0.77 [99% CI, −1.40 to −0.15]; P = .002) groups. At 12 months, cognitive behavioral therapy did not improve pain interference scores significantly more than usual care (mean difference, −0.19 [99% CI, −0.89 to 0.50]; P = .46). The most common adverse event was suicidal ideation, which occurred in 15.9% of patients in the cognitive behavioral therapy group, 13.7% in the whole health team group, and 13.4% in the usual care group.

Conclusions and Relevance These results support use of the whole health team approach to attain a statistically significant but small improvement in pain interference in VA patients with chronic pain.

Trial Registration ClinicalTrials.gov Identifier: NCT04330365

医療・健康
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