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ClinicalTrials.gov public records Last synced Oct 17, 2026, 4:29 PM EDT

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Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Re-Timer glasses Clear all

Conditions: Fatigue, Sleep Disturbance, Circadian Dysregulation
Interventions: Morning bright light therapy, Dim light; Device
Lead sponsor: State University of New York at Buffalo; Other
Eligibility: 18 Years and older
Enrollment: 14 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2018
U.S. locations: 1
States / cities: Buffalo, New York

Conditions: Knee Osteoarthristis
Interventions: Cognitive-Behavioral Therapy for Insomnia, Bright Light therapy via the Re-Timer®, Negative Ion exposure via IonMi Device, Sleep / Knee Osteoarthritis Education; Behavioral · Device
Lead sponsor: Johns Hopkins University; Other
Eligibility: 60 Years and older
Enrollment: 252 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2029
U.S. locations: 2
States / cities: Baltimore, Maryland • Chestnut Hill, Massachusetts

Conditions: Depression, Postpartum
Interventions: Light therapy; Device
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years and older · Female only
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2016
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Circadian Rhythm Sleep Disorder, Jet Lag Type
Interventions: Bright Light, Bright Light + Exercise + Melatonin, Control; Behavioral
Lead sponsor: University of Arizona; Other
Eligibility: 18 Years to 45 Years
Enrollment: 36 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2023
U.S. locations: 1
States / cities: Tucson, Arizona

Conditions: Fibromyalgia
Interventions: Light Therapy, Sleep Stabilization; Device · Behavioral
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years and older
Enrollment: 390 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2029
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Insomnia
Interventions: Light Exposure, Placebo; Other
Lead sponsor: Northwestern University; Other
Eligibility: 55 Years and older
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2029
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Opioid Use Disorder, Sleep Disturbance
Interventions: Wearable bright light therapy device, Wearable placebo light therapy device; Device
Lead sponsor: Arizona State University; Other
Eligibility: 18 Years to 65 Years
Enrollment: 23 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2026
U.S. locations: 1
States / cities: Phoenix, Arizona

Conditions: Irritable Bowel Syndrome (IBS), Circadian Misalignment
Interventions: Re-Timer glasses, Placebo Device; Device
Lead sponsor: Medical University of South Carolina; Other
Eligibility: 18 Years to 65 Years
Enrollment: 5 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Charleston, South Carolina

Conditions: Tourette's Disorder
Interventions: Wearable short wavelength light therapy; Other
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 13 Years to 17 Years
Enrollment: 35 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2023
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Pulmonary Hypertension, Insomnia, Fatigue
Interventions: CBT-I, Bright Light Therapy; Behavioral · Device
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years and older
Enrollment: 6 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Post Partum Depression
Interventions: Bright Light Therapy, Dim Light Therapy; Device
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years and older · Female only
Enrollment: 95 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2025
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: End Stage Renal Disease
Interventions: Bright light, Dim Light; Device
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years and older
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Delayed Sleep Phase
Interventions: Increase morning bright light, Decrease evening blue light, Sleep scheduling, Monitor sleep, mood, and substance use; Other · Behavioral
Lead sponsor: University of Pittsburgh; Other
Eligibility: 16 Years to 19 Years
Enrollment: 142 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2024
U.S. locations: 1
States / cities: Pittsburgh, Pennsylvania

Conditions: Delayed Sleep Phase Syndrome
Interventions: Increase morning bright light, Decrease evening blue light, Sleep Scheduling, Monitor sleep, mood, and substance use; Other · Behavioral
Lead sponsor: University of Pittsburgh; Other
Eligibility: 13 Years to 15 Years
Enrollment: 115 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2026
U.S. locations: 1
States / cities: Pittsburgh, Pennsylvania

Conditions: Depression, Sleep Quality
Interventions: Re-Timer glasses; Device
Lead sponsor: University of Michigan; Other
Eligibility: 65 Years and older
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2016
U.S. locations: 1
States / cities: Ann Arbor, Michigan