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ClinicalTrials.gov public records Last synced Oct 19, 2026, 4:29 AM EDT

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Showing 1–24 of 48 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Melatonin 3 mg Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Strengthening Circadian Signals

NCT03490864
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 23, 2025 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Early Phase 1 Interventional Results available

Melatonin in Patients With Multiple Sclerosis (MS).

NCT03498131
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 19, 2026, 4:29 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Acute Concussion and Melatonin

NCT04731974
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Phase 4 Interventional Results available

Total Joint Arthroplasty and Sleep

NCT03968939
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 16, 2024 · Synced Oct 19, 2026, 4:29 AM EDT
Terminated Phase 2 Interventional Results available

Pilot Study of Sleep Therapy and Biomarkers in Children With Autism Spectrum Disorders

NCT02487082
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Melatonin and Donepezil, Placebo
Drug · Other
Lead sponsor
Stony Brook University
Other
Eligibility
4 Years to 17 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety Study of a Combination Product [Drug:BCI-024 (Buspirone) and Drug:BCI-049 (Melatonin)] to Treat Major Depressive Disorder (MDD)

NCT00705003
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
BCI-024: over-encapsulated Buspirone tablet 15 mg QD and BCI-049: over-encapsulated Melatonin tablet 3 mg QD, BCI-024 (Buspirone), Matching placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
9
States / cities
Garden Grove, California • San Diego, California • Altanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2014 · Synced Oct 19, 2026, 4:29 AM EDT
Recruiting Phase 3 Interventional

Sleep Quality and the Efficacy of a Multimodal Sleep Pathway in Hospitalized Orthopedic Trauma Patients

NCT07336277
View directory record Official record
Conditions
Orthopedic Trauma, Sleep Quality
Interventions
Standard Postoperative Care, Zolpidem, Melatonin, Sleep Hygiene Education, Actigraph GT3X-BT Actigraph
Other · Drug · Dietary Supplement + 2 more
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Phase 1 Interventional

Melatonin for Sleep in Children With Autism

NCT00927030
View directory record Official record
Conditions
Autistic Disorder, Insomnia
Interventions
supplemental liquid melatonin, flavored liquid or liquid supplemental melatonin
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
4 Years to 10 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 2, 2012 · Synced Oct 19, 2026, 4:29 AM EDT
Recruiting Early Phase 1 Interventional

Melatonin as a Neuroprotective Therapy in Neonates With HIE Undergoing Hypothermia

NCT02621944
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Melatonin and Nighttime Blood Pressure in African Americans-8 mg Study

NCT01114360
View directory record Official record
Conditions
Hypertension
Interventions
Melatonin, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 64 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 18, 2015 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Phase 4 Interventional Results available

Effects of Kuvan on Melatonin Secretion

NCT01617070
View directory record Official record
Conditions
Phenylketonuria (PKU)
Interventions
Kuvan, Large Neutral Amino Acid Therapy
Drug · Dietary Supplement
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2016 · Synced Oct 19, 2026, 4:29 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Facilitating Adjustment to Simulated Jet Lag

NCT05382923
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 19, 2022 · Synced Oct 19, 2026, 4:29 AM EDT
Terminated Phase 2 Interventional Results available

Safety and Efficacy of Melatonin in Outpatients Infected With COVID-19

NCT04474483
View directory record Official record
Conditions
COVID-19
Interventions
Melatonin, Placebo (Methylcellulose) capsule
Drug · Other
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2024 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Melatonin and Nighttime Blood Pressure in African Americans--24 mg Study

NCT01114373
View directory record Official record
Conditions
Hypertension
Interventions
Melatonin, Placebo
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 64 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 26, 2016 · Synced Oct 19, 2026, 4:29 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

This Repeated Measures Parallel-group Investigation Will Examine the Influence of Short-term Melatonin Supplementation (5mg, 3 x Day for 72 Hours) on Cellular Responses, Functional Performance and Recovery Following an Acute Bout of Dynamic Resistance Exercise in Resistance Trained Men and Women

NCT06617351
View directory record Official record
Conditions
Cell Migration, Cell Invasion, Exercise Recovery
Interventions
Melatonin, Placebo
Dietary Supplement
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Oct 1, 2024 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Phase 3 Interventional Results available

The Clinical Utility of Measuring the Circadian Clock in Treatment of Delayed Sleep-Wake Phase Disorder

NCT03715465
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 25, 2022 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pharmacokinetics of Melatonin Administered in Oral, Lotion, and Bubble Bath Formulations

NCT06382610
View directory record Official record
Conditions
Sleep
Interventions
Melatonin
Dietary Supplement
Lead sponsor
University of Redlands
Other
Eligibility
18 Years to 21 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Redlands, California
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Double-Blind, Randomized, Placebo-Controlled Study of the Safety and Effects of Various Cannabinoids on Sleep Quality

NCT07769164
View directory record Official record
Conditions
Sleep Disturbance, Sleep Quality
Interventions
2 mg THC + 2 mg CBN + 2 mg CBG + 10 mg CBD + 1 mg Melatonin, 10 mg THC + 5 mg CBN + 5 mg CBG + 20 mg CBD, 10 mg THC + 20 mg CBN + 5 mg CBG, Stay Asleep Placebo, Fast Asleep Placebo
Dietary Supplement
Lead sponsor
Cannabis Science Innovations, LLC
Industry
Eligibility
21 Years to 55 Years
Enrollment
332 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sarasota, Florida
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Early Phase 1 Interventional Results available

Melatonin Versus Placebo in Breast Cancer

NCT01805089
View directory record Official record
Conditions
Breast Cancer
Interventions
Melatonin 3 mg
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 23, 2015 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Melatonin on Cardiovascular and Thermoregulatory Responses to Stress

NCT07138443
View directory record Official record
Conditions
Stress, Mental Stress
Interventions
Melatonin 3 MG Oral Tablet, Placebo Oral Tablet
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Aging Program Project Grant 6

NCT03490825
View directory record Official record
Conditions
Improving Cardiometabolic Outcomes in Older Adults
Interventions
Melatonin 1 mg, Placebos, Meal timing, Non-Meal timing
Dietary Supplement · Other
Lead sponsor
Northwestern University
Other
Eligibility
55 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 23, 2025 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Functional Melatonin Replacement for Sleep Disruptions in Individuals With Tetraplegia

NCT00507546
View directory record Official record
Conditions
Insomnia, Spinal Cord Injury, Tetraplegia, Sleep Disorders
Interventions
Ramelteon, Placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 22, 2014 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Feasibility Study of Personalized Trials to Improve Sleep Quality

NCT05349188
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Oct 19, 2026, 4:29 AM EDT
Completed Not applicable Interventional

Melatonin for Sleep in MS

NCT04035889
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Oct 19, 2026, 4:29 AM EDT