Active Not Recruiting NA INTERVENTIONAL 2-arm NCT05295225

Green Light Exposure in Healthy Volunteers Exposure in Normal Human Volunteers

Investigating the Analgesic Effects of Green Light Exposure in Normal Human Volunteers

Sponsor: University of Arizona

Interventions Green Light Emitting Diode White Light Emitting Diode

Updated 11 times since 2022 Last updated: Dec 29, 2025 Started: Jun 14, 2022 Primary completion: Dec 31, 2026 Completion: Dec 31, 2026

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This NA trial investigates Chronic Pain and is currently ongoing. University of Arizona leads this study, which shows 11 recorded versions since 2022 — indicating substantial longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

11 versions recorded

Feb 2026 — Present [monthly]

Active Not Recruiting NA
Aug 2025 — Feb 2026 [monthly]

Active Not Recruiting NA
Dec 2024 — Aug 2025 [monthly]

Active Not Recruiting NA

Status: Recruiting → Active Not Recruiting
Sep 2024 — Dec 2024 [monthly]

Recruiting NA
Jul 2024 — Sep 2024 [monthly]

Recruiting NA

▶ Show 6 earlier versions

Dec 2023 — Jul 2024 [monthly]

Recruiting NA
Nov 2022 — Dec 2023 [monthly]

Recruiting NA
Sep 2022 — Nov 2022 [monthly]

Recruiting NA

Status: Not Yet Recruiting → Recruiting
Jul 2022 — Sep 2022 [monthly]

Not Yet Recruiting NA
May 2022 — Jul 2022 [monthly]

Not Yet Recruiting NA
Apr 2022 — May 2022 [monthly]

Not Yet Recruiting NA

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

University of Arizona

Data source: University of Arizona

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Tucson, United States