Search | Clinical Trials Finder

Independent directory Public ClinicalTrials.gov records United States

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 4:30 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–13 of 13 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Melatonin 0.5 mg Clear all

Conditions: Hypoxic Ischemic Encephalopathy
Interventions: Melatonin, Magnetic Resonance Imaging, Pharmacokinetics, Neurological Outcome Assessment; Drug · Other · Behavioral
Lead sponsor: University of Florida; Other
Eligibility: Up to 6 Hours
Enrollment: 70 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2027
U.S. locations: 2
States / cities: Gainesville, Florida • Orlando, Florida

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: Delayed Sleep Phase Syndrome
Interventions: Melatonin 0.5 MG, Dim Light Melatonin Onset (salivary); Drug · Other
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years to 65 Years
Enrollment: 44 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2021
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Pregnant Women
Interventions: Melatonin, Placebo; Dietary Supplement
Lead sponsor: Brigham and Women's Hospital; Other
Eligibility: 18 Years to 35 Years · Female only
Enrollment: 120 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2027
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Bipolar Disorder, Delayed Sleep-Wake Phase Disorder
Interventions: Melatonin, Placebo, Behavioral sleep intervention, Behavioral sleep control; Drug · Other · Behavioral
Lead sponsor: Leslie Swanson; Other
Eligibility: 18 Years to 60 Years
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Hot Flashes
Interventions: melatonin 0.5 mg; Drug
Lead sponsor: Scripps Health; Other
Eligibility: 50 Years to 70 Years · Female only
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2005
U.S. locations: 1
States / cities: La Jolla, California

Conditions: Sleep Disturbance
Interventions: Melatonin 3 mg, Melatonin 0.5 mg, Cellulose placebo pill; Dietary Supplement · Other
Lead sponsor: Northwell Health; Other
Eligibility: 18 Years and older
Enrollment: 60 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2023
U.S. locations: 1
States / cities: New York, New York

Conditions: Multiple Sclerosis
Interventions: Melatonin, Placebo; Dietary Supplement
Lead sponsor: University of California, San Francisco; Other
Eligibility: 20 Years to 70 Years
Enrollment: 30 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Sleep Disorder, Blindness
Interventions: Melatonin; Drug
Lead sponsor: Oregon Health and Science University; Other
Eligibility: 5 Years to 20 Years
Enrollment: 13 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2015
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Blindness
Interventions: Melatonin; Biological
Lead sponsor: Oregon Health and Science University; Other
Eligibility: 55 Years and older
Enrollment: 12 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2008
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Blindness
Interventions: Melatonin, Melatonin; Dietary Supplement · Biological
Lead sponsor: Oregon Health and Science University; Other
Eligibility: 5 Years to 20 Years
Enrollment: 10 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2002 – 2015
U.S. locations: 1
States / cities: Portland, Oregon

Conditions: Biological Clock Dysfunction, Optic Nerve Hypoplasia
Interventions: Melatonin, Placebo Comparator; Dietary Supplement
Lead sponsor: Yale University; Other
Eligibility: 2 Years to 10 Years
Enrollment: 100 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2011
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Delayed Sleep Phase Disorder, Jet-lag, Shift-work Disorder
Interventions: Low Dose Melatonin, Placebo, High Dose Melatonin; Biological
Lead sponsor: Brigham and Women's Hospital; Other
Eligibility: 18 Years to 30 Years
Enrollment: 42 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2009 – 2013
U.S. locations: 1
States / cities: Boston, Massachusetts