- Conditions
- Normal Physiology
- Interventions
- Pupillometry, Light box exposure
- Device
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Anesthesia
- Interventions
- Sleep Mask
- Other
- Lead sponsor
- Englewood Hospital and Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2021
- U.S. locations
- 1
- States / cities
- Englewood, New Jersey
- 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
- Conditions
- Sleep Disturbance, Total Joint Arthroplasty
- Interventions
- melatonin 6mg, Placebo
- Drug
- Lead sponsor
- Rothman Institute Orthopaedics
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 154 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Primary Insomnia
- Interventions
- Neu-P11
- Drug
- Lead sponsor
- Neurim Pharmaceuticals Ltd.
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 137 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 9
- States / cities
- San Diego, California • Hallandale, Florida • South Miami, Florida + 6 more
- 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
- Healthy, Circadian Rhythm
- Interventions
- Monochromatic visible light exposure
- Device
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years to 30 Years
- Enrollment
- 47 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2007
- 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
- Intermittent Hypoxia
- Interventions
- Melatonin, Placebo
- Other
- Lead sponsor
- Robert L. Owens
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- San Diego, California
- Conditions
- Functional Abdominal Pain, Irritable Bowel Syndrome, Functional Dyspepsia
- Interventions
- Melatonin, Peppermint Oil (mentharil), and Simethicone, Sugar pill
- Drug · Other
- Lead sponsor
- Medical College of Wisconsin
- Other
- Eligibility
- 8 Years to 18 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
- Conditions
- Sleep Disorders, Circadian Rhythm
- Interventions
- Melatonin, Methylxanthine, Light Therapy
- Drug · Procedure
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
- NIH
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2010
- U.S. locations
- 1
- States / cities
- Boulder, Colorado
- 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
- 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
- End Stage Renal Disease, Chronic Kidney Disease, Sleep Disorder
- Interventions
- Melatonin
- Drug
- Lead sponsor
- Southeast Renal Research Institute
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 53 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2017
- U.S. locations
- 1
- States / cities
- Chattanooga, Tennessee
- Conditions
- Sleep Disorders
- Interventions
- Circadin 2/5/10 mg, Placebo
- Drug
- Lead sponsor
- Neurim Pharmaceuticals Ltd.
- Industry
- Eligibility
- 2 Years to 17 Years
- Enrollment
- 125 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2018
- U.S. locations
- 18
- States / cities
- Phoenix, Arizona • Miami Lakes, Florida • Orange City, Florida + 14 more
- 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
- Insomnia, Asthma
- Interventions
- Ramelteon
- Drug
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 2 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Sleep
- Interventions
- Melatonin
- Dietary Supplement
- Lead sponsor
- University of Redlands
- Other
- Eligibility
- 18 Years to 22 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Redlands, California
- Conditions
- Arthroplasty, Replacement, Knee, Sleep Initiation and Maintenance Disorders
- Interventions
- Melatonin 5 mg, Placebo (Vitamin C)
- Dietary Supplement
- Lead sponsor
- Hospital for Special Surgery, New York
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 176 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Migraine
- Interventions
- Melatonin, Placebo oral capsule
- Drug
- Lead sponsor
- Amy Gelfand
- Other
- Eligibility
- 10 Years to 17 Years
- Enrollment
- 72 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2019
- U.S. locations
- 2
- States / cities
- Los Angeles, California • San Francisco, California
- Conditions
- Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Obesity, Metabolic Syndrome
- Interventions
- olanzapine and melatonin
- Drug
- Lead sponsor
- Seattle Institute for Biomedical and Clinical Research
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2024
- U.S. locations
- 1
- States / cities
- Tacoma, Washington
- Conditions
- Sleep
- Interventions
- Proprietary Blend of Botanical Extracts, Melatonin
- Dietary Supplement
- Lead sponsor
- Nutraceuticals Research Institute
- Other
- Eligibility
- 35 Years to 55 Years · Female only
- Enrollment
- 89 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Huntsville, Alabama
- 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
- 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