Independent directory Public ClinicalTrials.gov records United States
Clear filters

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 17, 2026, 9:53 PM EDT

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

Showing 1–24 of 206 matching trials from the live ClinicalTrials.gov search.
Conditions
Acute Kidney Injury, Adverse Drug Event
Interventions
Melatonin, Placebo Capsule
Drug · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 75 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
New Brunswick, New Jersey • Somerville, New Jersey
Conditions
Depression, Depression During the Menopausal Transition, Menopausal Depression
Interventions
Phase Advanced Intervention (PAI), Phase Delay Intervention (PDI)
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
San Diego, California
Conditions
Smith Magenis Syndrome
Interventions
Not listed
Lead sponsor
Vanda Pharmaceuticals
Industry
Eligibility
6 Years to 50 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Developmental Delay Disorders, Chromosome Deletion, Mental Retardation, Sleep Disorders, Circadian Rhythm, Self Injurious Behavior
Interventions
dTR Melatonin (NIH CC PDS), Phototherapy (Bright Light), Melatonin CR
Drug · Device
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
3 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Interaction of Melatonin and MTNR1B Genotype on Glucose Control - Study 1

NCT02642640
Conditions
Glucose, Circadian Rhythm, Melatonin, Genes
Interventions
melatonin, placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 55 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

Effects of Sex Hormones on Circadian Rhythm in Men and Women

NCT00001285
Conditions
Bipolar Disorder, Circadian Rhythm, Depressive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Female only
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1991 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Poor Sleep Quality, Leg Cramps, Nocturnal
Interventions
Magnesium and melatonin based multi-ingredient dietary supplementation, Placebo
Dietary Supplement · Other
Lead sponsor
StudySetGo
Network
Eligibility
40 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Palm Beach Gardens, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Strengthening Circadian Signals

NCT03490864
Conditions
Improving Cardiometabolic Outcomes in Adults
Interventions
Melatonin 1 mg, Placebos, Meal Timing, NON Meal Timing
Dietary Supplement · Other
Lead sponsor
Northwestern University
Other
Eligibility
35 Years to 54 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Gastrointestinal Cancer, Lung Cancer
Interventions
Melatonin, Placebo
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Houston, Texas
Conditions
Depression, Brain Injuries, Traumatic
Interventions
Buspirone, Mealatonin
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts • Charlestown, Massachusetts
Not listed Phase 4 Interventional Accepts healthy volunteers

Melatonin Use in the Intensive Care Elderly Population

NCT03013790
Conditions
Delirium, Melatonin
Interventions
Melatonin
Drug
Lead sponsor
MICE Trial Group
Other
Eligibility
65 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Pueblo, Colorado
Conditions
Absorption, Pharmacokinetic
Interventions
Hydration Multiplier + Energy, Hydration Multiplier + Sleep, Energy Comp, Sleep Comp
Dietary Supplement · Other
Lead sponsor
Liquid I.V.
Other
Eligibility
18 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Raritan, New Jersey
Conditions
Pain After TJA
Interventions
Melatonin 5 mg, Placebo Oral Tablet, Magnesium 500Mg Oral Tablet
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Stanford, California
Conditions
ADHD - Attention Deficit Disorder With Hyperactivity, ADHD
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
6 Years to 9 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Completed Early Phase 1 Interventional Results available

Melatonin in Patients With Multiple Sclerosis (MS).

NCT03498131
Conditions
Relapsing Remitting Multiple Sclerosis
Interventions
3 mg Melatonin, 5 mg Melatonin
Drug
Lead sponsor
Providence Health & Services
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Portland, Oregon
Completed No phase listed Observational Accepts healthy volunteers

Understanding Sleep Problems in Children With Autism Spectrum Disorder

NCT00691080
Conditions
Sleep Problems
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
4 Years to 9 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
3
States / cities
New York, New York • Portland, Oregon • Houston, Texas
Not listed Phase 2 Interventional Accepts healthy volunteers

Acute Concussion and Melatonin

NCT04731974
Conditions
Concussion, Mild, Concussion, Brain, Pediatric ALL
Interventions
Melatonin 3 MG, Placebo
Drug · Other
Lead sponsor
Children's National Research Institute
Other
Eligibility
12 Years to 18 Years
Enrollment
254 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Completed No phase listed Observational Accepts healthy volunteers

Examining the Biological Factors That Affect Sleep Duration

NCT00607204
Conditions
Sleep, Circadian Rhythm, Cognitive Performance
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Anxiety
Interventions
2 mg Melatonin, 10mg Melatonin, Placebo
Drug · Other
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
2
States / cities
San Diego, California • Portsmouth, Virginia
Conditions
Cancer Malignancies
Interventions
melatonin, placebo
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
911 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Memphis, Tennessee
Completed Phase 4 Interventional Results available

Total Joint Arthroplasty and Sleep

NCT03968939
Conditions
Primary Total Hip Arthroplasty, Primary Total Knee Arthroplasty
Interventions
Diphenhydramine (Benadryl), Melatonin, Sleep Hygiene Education
Drug · Dietary Supplement · Behavioral
Lead sponsor
James A. Keeney
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Sleep
Interventions
Sleep friendly order set, Patient sleep menu
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Active, not recruiting Not applicable Interventional

Melatonin and Sleep Spindles in Autism

NCT05716906
Conditions
Autism Spectrum Disorder
Interventions
Melatonin
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
PreDiabetes, Obesity, Inactivity/Low Levels of Exercise
Interventions
AM Exercise, PM Exercise
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 40 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado