• Laura M Garcia, Brandon J Birckhead, Parthasarathy Krishnamurthy, Ian Mackey, Josh Sackman, Vafi Salmasi, Robert Louis, Todd Maddox, and Beth D Darnall.
• AppliedVR, Inc, University of Southern California, Creative Media and Behavioral Health Center, Los Angeles, California.
• J Pain. 2022 May 1; 23 (5): 822-840.

AbstractPrior work established post-treatment efficacy for an 8-week home-based therapeutic virtual reality (VR) program in a double-blind, parallel arm, randomized placebo-controlled study. Participants were randomized 1:1 to 1 of 2 56-day VR programs: 1) a therapeutic immersive pain relief skills VR program; or 2) a Sham VR program within an identical commercial VR headset. Immediate post-treatment results demonstrated clinically meaningful and superior reduction for therapeutic VR compared to Sham VR for average pain intensity, indices of pain-related interference (activity, mood, stress but not sleep), physical function, and sleep disturbance. The objective of the current report was to quantify treatment effects to post-treatment month 3 and describe durability of effects. Intention-to-treat analyses revealed sustained benefits for both groups and superiority for therapeutic VR for pain intensity and multiple indices of pain-related interference (activity, stress, and newly for sleep; effect sizes ranged from drm = .56-.88) and physical function from pre-treatment to post-treatment month 3. The between-group difference for sleep disturbance was non-significant and pain-interference with mood did not survive multiplicity correction at 3 months. For most primary and secondary outcomes, treatment effects for therapeutic VR showed durability, and maintained superiority to Sham VR in the 3-month post-treatment period. PERSPECTIVE: We present 3-month follow-up results for 8-week self-administered therapeutic virtual reality (VR) compared to Sham VR in adults with chronic low back pain. Across multiple pain indices, therapeutic VR had clinically meaningful benefits, and superiority over Sham VR. Home-based, behavioral skills VR yielded enduring analgesic benefits; longer follow-up is needed.Copyright © 2021 The Authors. Published by Elsevier Inc. All rights reserved.

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