VR and CBT show equivalent outcomes for unilateral chronic tinnitus in a therapeutic equivalence RCT
How this was rated
Therapeutic equivalence RCT with adequate sample (n=148, of whom 119 completed, in a population with unilateral tinnitus). Bilateral equivalence testing used rather than superiority. Single consortium and specific VR system limit generalizability.
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A therapeutic equivalence randomized controlled trial with 148 adults with unilateral or predominantly unilateral chronic subjective tinnitus, comparing auditory-visual 3D VR therapy, cognitive-behavioral therapy (CBT), and a waitlist group. The trial found no significant difference between VR and CBT at 3-month follow-up, supporting the conclusion that VR is at least as effective as CBT for this population.
A therapeutic equivalence RCT (n=148) in chronic unilateral tinnitus. VR was found at least equivalent to CBT; no superiority claim. Funded by the French research consortium that developed the VR system.
Key findings
- At 3-month post-treatment, no significant difference between VR and CBT on tinnitus severity (p=0.99) or tinnitus handicap (p=0.36).
- VR appears to be at least as effective as CBT for adults with unilateral or predominantly unilateral chronic subjective tinnitus (equivalence conclusion).
- Both active treatments showed meaningful improvements compared to the waitlist group on distress and handicap measures.
Background
Chronic subjective tinnitus - the persistent perception of sound without an external source - affects quality of life, communication, concentration, and emotional wellbeing. While cognitive-behavioral approaches have established evidence for reducing tinnitus-related distress, many people continue to seek alternative forms of support. Virtual reality offers the possibility of creating immersive environments where individuals can engage with representations of their tinnitus experience in new ways, potentially changing their relationship with the perceived sound.
What the researchers did
Malinvaud and colleagues, from a French research consortium including Hopital Europeen Georges Pompidou Paris, CNRS, IRCAM, and Universite Paris Descartes, conducted a therapeutic equivalence RCT - a design specifically intended to test whether a new treatment is at least as effective as an established one, rather than to test superiority. Between August 2009 and November 2011, 162 patients were screened and 148 enrolled (VR group n=61, CBT group n=58, waitlist n=29).
The target population was adults with unilateral or predominantly unilateral chronic subjective tinnitus - an important distinction from bilateral tinnitus, which is more common. The VR group received auditory-visual 3D virtual reality therapy using a system developed by the research consortium. The CBT group received an established cognitive-behavioral protocol for tinnitus. Both active groups were compared to a waitlist control condition. Tinnitus severity, handicap, and distress were measured at baseline, post-treatment, and 3-month follow-up.
What they found
At 3-month post-treatment, there was no significant difference between VR and CBT on tinnitus severity (p=0.99) or tinnitus handicap (p=0.36), supporting an equivalence conclusion - VR performs as well as CBT for this population. Both active treatment groups showed meaningful improvements over the waitlist group on distress and handicap measures, confirming that both approaches were more effective than no treatment.
Why this matters
This therapeutic equivalence RCT is the controlled validation of the theoretical framework established in Londero 2010, by the same research group. The finding that VR is at least as effective as CBT for unilateral chronic tinnitus is significant: it positions VR as an evidence-based alternative rather than an experimental adjunct. The use of 3D auditory-visual VR - designed to allow externalization of the tinnitus experience - represents a conceptually distinctive approach compared to standard sound therapy.
Limitations
The equivalence trial design and bilateral equivalence testing methodology differ from the more familiar superiority RCT, and the results should be interpreted specifically in that framework. The sample was drawn from a specialist French consortium, limiting generalizability to other healthcare settings. The finding applies specifically to unilateral or predominantly unilateral tinnitus; the trial was not designed to address bilateral tinnitus. The VR system used was developed by the same consortium conducting the trial.
Implications for practice
For adults with unilateral or predominantly unilateral chronic subjective tinnitus, a 3D auditory-visual VR approach delivered at a specialist center appears equivalent in effectiveness to established CBT. This opens VR as a potential alternative pathway for people who prefer a more interactive or technology-based form of support, or who have not found benefit from conventional approaches. Clinicians should note that this finding applies specifically to unilateral tinnitus - generalizability to bilateral tinnitus is not established by this trial.
Where this connects to Therapy withVR
The study above is independent research and does not endorse any product. The notes below are commentary from withVR on how the themes in this research relate to features of Therapy withVR. The research findings are not claims about Therapy withVR.
Immersive VR Environments
This RCT showed VR-based approaches can reduce tinnitus distress - Therapy withVR's immersive environments with controllable auditory conditions provide the kind of engaging, interactive context this study found effective.
Spatial Sound System
All sounds in Therapy withVR are spatial - they sound like they are coming from where they should be. A baby crying behind you sounds different from cutlery clinking to your left. This spatial accuracy, developed partly from SLP feedback in hyperacusis work, enables the fine-grained auditory control this study used to help people change their relationship with sound.
Cite this study
If you reference this study in your work, the canonical citation formats are:
@article{malinvaud2016,
author = {Malinvaud, D. and Londero, A. and Niarra, R. and Peignard, P. and Warusfel, O. and Viaud-Delmon, I. and Chatellier, G. and Bonfils, P.},
title = {Auditory and visual 3D virtual reality therapy as a new treatment for chronic subjective tinnitus: Results of a randomized controlled trial},
journal = {Hearing Research},
year = {2016},
doi = {10.1016/j.heares.2015.12.023},
url = {https://withvr.app/evidence/studies/malinvaud-2016}
}TY - JOUR
AU - Malinvaud, D.
AU - Londero, A.
AU - Niarra, R.
AU - Peignard, P.
AU - Warusfel, O.
AU - Viaud-Delmon, I.
AU - Chatellier, G.
AU - Bonfils, P.
TI - Auditory and visual 3D virtual reality therapy as a new treatment for chronic subjective tinnitus: Results of a randomized controlled trial
JO - Hearing Research
PY - 2016
DO - 10.1016/j.heares.2015.12.023
UR - https://withvr.app/evidence/studies/malinvaud-2016
ER - Know of research that should be in this hub? If a relevant peer-reviewed study is not listed here, send the reference to hello@withvr.app. The hub is kept up to date as the literature grows.
Funding & independence
French research consortium: Hopital Europeen Georges Pompidou Paris, CNRS UMR 8119, IRCAM, and Universite Paris Descartes. Trial registered (clinical trial). No withVR BV involvement in funding, study design, or authorship. Summary prepared independently by withVR using the published paper.