About this trial
This study evaluates whether virtual reality (VR) audiovisual distraction can reduce pain, anxiety, and the need for pain and anxiety medications during prone pain procedures, compared to standard care alone. The trial design is a two-arm, parallel assignment, randomized controlled trial at a single site, the UC Davis Pain Medicine Clinic. Patients will be randomized in a 1:1 allocation to the intervention (commercially available virtual reality headset (Meta Quest 3) with audiovisual calming nature scene and an ergonomic cushion/support) vs control (standard medical care). The primary outcome will be a composite outcome analyzed using the Win Ratio method comparing opioid/sedative medication use, intra-procedural pain scores, and intra-procedural anxiety scores between groups. Approximately 230 people at UC Davis are expected to participate (Up to 20 patients for the preliminary run-in period to acclimatize research and clinical staff and 210 total for the randomized clinical trial). Each participant's involvement consists of one visit, estimated at 30 minutes.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients aged 18 years old or older
Male and female gender
Referred to UC Davis Pain Medicine Clinic and require a prone pain procedure
English speaking and with the ability to understand oral and written instructions
Disqualifiers
Pregnant women
Prisoners
Patients who have high risk of motion sickness
Seizure disorder
Trial design
Parallel
Treatments tested in this trial
Virtual Reality (VR) Audiovisual Distraction
BehavioralUsing a VR headset with an ergonomic cushion/support which will display a calming audiovisual experience during the procedure. The VR headset is a commercially available Meta Quest 3.
Treatment groups
Trial outcomes
Primary outcomes
Composite Outcome Using Win Ratio Method (Opioid/Sedative Use, Intra-procedural Pain Score, and Intra-procedural Anxiety Score)
The primary outcome is a composite analyzed using the Win Ratio method. Each intervention patient will be compared with each control patient. Pairs are evaluated in priority order: opioid/sedative use, intra-procedural pain score, then intra-procedural anxiety score. A patient who received no opioids/sedatives wins over one who did; if tied, the lower pain score wins; if still tied, the lower anxiety score wins. If all three measures are identical, the pair is a tie. The Win Ratio is calculated as total intervention wins divided by total control wins. A Win Ratio \>1 indicates superiority of VR; a 95% confidence interval will be calculated. Pain and anxiety are measured using the Numeric Rating Scale (NRS), from 0 (none) to 10 (worst possible), with higher scores indicating worse outcomes.
Secondary outcomes
Opioid and Sedative Medication Use
Whether opioid and/or sedative medications were administered during the prone pain procedure.
Intra-procedural Pain Score on the Numeric Rating Scale (NRS)
Pain assessed using the Numeric Rating Scale (NRS). Scores range from 0 (no pain) to 10 (worst possible pain). Higher scores indicate a worse outcome.
Intra-procedural Anxiety Score on the Numeric Rating Scale (NRS)
Anxiety assessed using the Numeric Rating Scale (NRS). Scores range from 0 (no anxiety) to 10 (worst possible anxiety). Higher scores indicate a worse outcome.
Pain Intensity on the Patient-Reported Outcomes Measurement Information System Pain Intensity Short Form-3a (PROMIS Pain Intensity SF-3a)
PROMIS Pain Intensity Short Form-3a. Scores range from 3 to 15. Higher scores indicate a worse outcome.
Sponsors and contacts
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