NCT02919163

Systematically Assessing Effects of Colored Light on Humans With a Multi-modal Approach (Substudy 6 of 7)

Not yet recruiting NA Last updated 14 January 2026

What this trial tests

NA trial testing Visible light exposure in Exposure to Man-made Visible Light in 50 participants. Not yet recruiting.

Timeline

1 December 2027

Primary endpoint
31 July 2028

31 July 2029

Quick facts

Lead sponsor	University of Bern
Phase	NA
Status	Not yet recruiting
Study type	INTERVENTIONAL
Allocation	randomized
Design	crossover
Masking	single
Primary purpose	basic science
Enrollment	50
Start date	1 December 2027
Primary completion	31 July 2028
Estimated completion	31 July 2029
Sites	1 location across Switzerland

Drugs / interventions tested

• Visible light exposure

Conditions studied

• Exposure to Man-made Visible Light — all drugs for Exposure to Man-made Visible Light →

Sponsor

University of Bern

Who can join

Adults 18 to 50, any sex, with Exposure to Man-made Visible Light. Patients with the condition only — healthy volunteers not accepted.

Sponsor's own description

NOTE: This is the sixth of in total 7 sub-studies related to the Ethics Committee of the Canton of Bern Ref. No. KEK-BE 2016-00674. This sub-study includes 50 participants and 8 arms, in total 350 participants will be assessed in all 7 sub-studies.

General study information: This is a randomized, cross-over, quantitative study, which investigates physiological variables, mood, and affect of healthy participants in response to colored light exposure. The Participants take part in 5-8 arms and are exposed to colored light only, or are additionally asked to solve cognitive tasks during the colored light exposure. Primary aim is to measure the change in several physiological variables, mood, and affect during colored light exposure of 15 or 45 minutes. The risk for the participants is negligible and comparable to the risk during daily life.

Publications & conference data

No peer-reviewed publications indexed yet for this trial.