Green Light Exposure in Healthy Volunteers Exposure in Normal Human Volunteers
Active, not recruitingNot applicableNCT05295225
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This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.
Brief summary (from the registry)
This research project is intended to understand the mechanisms of action for the pain-relieving properties of visual green light exposure. The investigators have shown previously that greenlight exposure decreased acute and chronic pain in both animals and humans. However, the investigators do not yet understand how green light exposure is capable of such function.
Study details
- Official title
- Investigating the Analgesic Effects of Green Light Exposure in Normal Human Volunteers
- Conditions
- Interventions
- Device: Green Light Emitting Diode
- Device: White Light Emitting Diode
- Sponsor
- University of Arizona
- Start date
- 2022-06-14
- Primary completion
- 2026-12-31
- Sex
- All
- Age range
- from 18 Years to 50 Years
- Healthy volunteers
- true
- Results posted
- No results posted in this snapshot
- Countries
- United States
- Total sites listed
- 1
Eligibility criteria
Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: 1. 18-50 years healthy men or women 2. Able to speak and understand English 3. No history of Chronic pain 4. No known neuropathies in areas that testing will take place, (forearms, muscle at the base of thumb on the palm of the hand and upper back/shoulder area. Exclusion Criteria: 1. Serious mental illness defined as distortions of perception, delusions, hallucinations, and unusual behaviors resulting in loss of contact with reality. This will be assessed during the screening interview. 2. Colorblindness or uncorrected cataracts. 3. Tissue damage in areas that testing will take place, (forearms, muscle at the base of the thumb on the palm of the hand, and upper back/should area.
Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT05295225