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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Melatonin 3 mg Clear all
Completed Phase 2 Interventional Results available

Melatonin Supplements for Improving Sleep in Individuals With Hypertension

NCT00238108
View directory record Official record
Conditions
Sleep Disorders, Hypertension
Interventions
Melatonin, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
35 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Sep 26, 2026, 9:13 AM EDT
Withdrawn Phase 2 Interventional

Melatonin Supplementation to Improve Sleep in Patients With Heart Failure

NCT00869869
View directory record Official record
Conditions
Heart Failure, Sleep Disorders
Interventions
melatonin, placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
35 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 18, 2018 · Synced Sep 26, 2026, 9:13 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 18, 2022 · Synced Sep 26, 2026, 9:13 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Treatment of Orthostatic Intolerance

NCT00262470
View directory record Official record
Conditions
Tachycardia, Chronic Orthostatic Intolerance
Interventions
Acetazolamide, Atomoxetine, NO Drug, Clonidine, Entacapone, Entacapone & Propranolol, Atomoxetine & Propranolol, Indomethacin, Mecamylamine, Isosorbide Dinitrate, Melatonin, Midodrine, Modafinil, Octreotide, Placebo, Propranolol, Modafinil & Propranolol, Sertraline, IV Saline, Drinking Water, Breathing Device, memantine, Abdominal binder
Drug · Other · Dietary Supplement + 3 more
Lead sponsor
Satish R. Raj
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Sep 26, 2026, 9:13 AM EDT
Withdrawn Phase 2 Interventional

Dose-Ranging Study to Assess the Safety and Efficacy of Melatonin in Outpatients Infected With COVID-19

NCT04784754
View directory record Official record
Conditions
COVID-19
Interventions
Melatonin, Placebo
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 21, 2022 · Synced Sep 26, 2026, 9:13 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 21, 2014 · Synced Sep 26, 2026, 9:13 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 10, 2026 · Synced Sep 26, 2026, 9:13 AM EDT
Terminated Phase 1 Interventional Results available

Melatonin Postoperative Sleep Study in Breast Cancer Patients

NCT00506064
View directory record Official record
Conditions
Breast Cancer
Interventions
Melatonin, Placebo, Questionnaire
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
40 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 4, 2012 · Synced Sep 26, 2026, 9:13 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 21, 2024 · Synced Sep 26, 2026, 9:13 AM EDT
Withdrawn Phase 2 Interventional

Cardiac Surgery and the Risk of Atrial Fibrillation: an Intervention Trial Evaluating Melatonin

NCT02099331
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Melatonin, Placebo (for Melatonin)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced Sep 26, 2026, 9:13 AM EDT
Recruiting Phase 1 Interventional

Safety of Erythropoietin and Melatonin for Very Preterm Infants With Intraventricular Hemorrhage

NCT05617833
View directory record Official record
Conditions
Intraventricular Hemorrhage of Prematurity
Interventions
MLT+EPO, Placebo
Combination Product · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
12 Hours to 2 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
St. Petersburg, Florida • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 26, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Single-Group Study to Examine the Efficacy of a Melatonin Lotion With Magnesium to Improve Sleep Quality and Quantity

NCT06146712
View directory record Official record
Conditions
Sleep
Interventions
Asutra's 'Dream the night away' nighttime lotion
Other
Lead sponsor
Asutra
Industry
Eligibility
18 Years to 59 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Nov 26, 2023 · Synced Sep 26, 2026, 9:13 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 17, 2016 · Synced Sep 26, 2026, 9:13 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 29, 2025 · Synced Sep 26, 2026, 9:13 AM EDT
Completed Phase 2 Interventional

RECOVER-SLEEP: Platform Protocol, Appendix_B (CPSD)

NCT06404112
View directory record Official record
Conditions
Long COVID, Long COVID-19, Sleep Disturbance
Interventions
Melatonin, Melantonin Placebo, Tailored lighting (TL) Active, Tailored lighting (TL) Placebo
Drug · Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
469 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 26, 2026, 9:13 AM EDT
Completed Phase 1 Interventional Results available

Melatonin Use After Primary Total Joint Arthroplasty

NCT04795336
View directory record Official record
Conditions
Osteo Arthritis Knee
Interventions
Melatonin 5 mg, Placebo
Drug · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 95 Years
Enrollment
294 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced Sep 26, 2026, 9:13 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pharmacotherapy and Mechanisms of Sleep Disturbance in Alcohol Dependence

NCT01014533
View directory record Official record
Conditions
Alcohol Dependence, Insomnia
Interventions
Placebo dispensed to subject., Gabapentin dispensed to subject.
Drug
Lead sponsor
Dr. Kirk Brower
Other
Eligibility
18 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 5, 2017 · Synced Sep 26, 2026, 9:13 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 22, 2025 · Synced Sep 26, 2026, 9:13 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 20, 2026 · Synced Sep 26, 2026, 9:13 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 22, 2015 · Synced Sep 26, 2026, 9:13 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Melatonin Levels in Smith Magenis Syndrome (SMS)

NCT00691574
View directory record Official record
Conditions
Chromosome Disorders
Interventions
Melatonin, Enviro-light artificial light box
Dietary Supplement · Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
3 Years to 85 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 26, 2019 · Synced Sep 26, 2026, 9:13 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Preoperative Melatonin to Decrease Analgesia Usage After Third Molar Surgery

NCT04791943
View directory record Official record
Conditions
Pain, Postoperative, Narcotic Use
Interventions
Melatonin 10 MG, Lactose pill
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 35 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Sep 26, 2026, 9:13 AM EDT
Recruiting Phase 2 Interventional

Sleep, Diabetic Retinopathy and Melatonin

NCT04547439
View directory record Official record
Conditions
Diabetes Mellitus, Diabetic Retinopathy
Interventions
Melatonin, Placebo
Drug · Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
40 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 26, 2026, 9:13 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 15, 2024 · Synced Sep 26, 2026, 9:13 AM EDT