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ClinicalTrials.gov public records Last synced Oct 6, 2026, 7:37 PM EDT

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Showing 121–144 of 2,162 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: placebo pills Clear all
Completed Phase 4 Interventional Results available

Topiramate vs. Placebo in Preventing Weight Gain in Bipolar Disorder Treated With Olanzapine

NCT00394095
View directory record Official record
Conditions
Bipolar Disorder, Weight Gain
Interventions
Topiramate, Placebo
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
10 Years to 18 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Use of an Oral Beta-2 Agonist in Persons With Spinal Cord Injury

NCT00755079
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
extended release beta-2 adrenergic agonist, placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 3 Interventional Results available

The Effect of Memantine on Brain Structure and Chemistry in Alzheimer's Disease Patients

NCT00255086
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Memantine, Placebo pill
Drug
Lead sponsor
Stanford University
Other
Eligibility
50 Years to 95 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2017 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Anti-Platelets in Chronic Obstructive Pulmonary Disease

NCT05567562
View directory record Official record
Conditions
COPD, Emphysema, Emphysema or COPD
Interventions
dual anti-platelet therapy, Placebo
Combination Product · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 6, 2026, 7:37 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effect of Lycopene and Isoflavones on Glucose Metabolism

NCT01377961
View directory record Official record
Conditions
Metabolic Syndrome, Diabetes Mellitus, Non-Insulin-Dependent
Interventions
Randomized pills either containing combination of lycopene and isoflavones (dietary supplements) or Placebo to be taken for 12 weeks, Screening, OGTT, Anthropometrics and Blood pressure, Blood Drawing
Drug · Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
2
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 26, 2015 · Synced Oct 6, 2026, 7:37 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effectiveness of Combining Light and Non-Light Treatments for Jet Lag and Sleep Disorders

NCT00387179
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 25, 2009 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Not applicable Interventional Results available

Vitamin D and Type 2 Diabetes Study

NCT01942694
View directory record Official record
Conditions
Prediabetes, Type 2 Diabetes
Interventions
Vitamin D (Cholecalciferol), Placebo
Dietary Supplement · Other
Lead sponsor
Tufts Medical Center
Other
Eligibility
30 Years and older
Enrollment
2,423 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
25
States / cities
Phoenix, Arizona • Los Angeles, California • Palo Alto, California + 20 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2022 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Trial of Tadalafil and Glycemic Traits

NCT01444651
View directory record Official record
Conditions
Cardiovascular Disease, Insulin Resistance, Glucose Intolerance, Obesity
Interventions
Tadalafil, Placebo
Drug
Lead sponsor
Thomas J. Wang, MD
Other
Eligibility
18 Years to 50 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Remediation of Impaired Self-Regulation in Patients With Mild TBI

NCT02260570
View directory record Official record
Conditions
Mild Traumatic Brain Injury
Interventions
Tolcapone, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 50 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 2 Interventional Results available

Clinical Trial Nuedexta in Subjects With ALS

NCT01806857
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis (ALS)
Interventions
Nuedexta, Matching Placebo
Drug
Lead sponsor
Center for Neurologic Study, La Jolla, California,
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
7
States / cities
San Francisco, California • Washington D.C., District of Columbia • Grand Rapids, Michigan + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2017 · Synced Oct 6, 2026, 7:37 PM EDT
Terminated Not applicable Interventional

The Effects of GABA Enhancing Medications on Individuals Addicted to Cocaine - 3

NCT00142883
View directory record Official record
Conditions
Cocaine Abuse, Cocaine-Related Disorders
Interventions
Pregabalin, placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 8, 2015 · Synced Oct 6, 2026, 7:37 PM EDT
Not yet recruiting Phase 2Phase 3 Interventional

Testosterone Therapy With or Without Finasteride After Spinal Cord Injury: TRT-SCI Trial

NCT07742553
View directory record Official record
Conditions
Spinal Cord Injury, Spinal Cord Injuries, Injuries, Spinal Cord, Spinal Cord Contusion, Spinal Cord Trauma, Trauma, Nervous System, Wounds and Injuries, Spinal Cord Compression, Nervous System Diseases, Spinal Cord Diseases, Gonadal Disorders, Endocrine System Diseases, Hypogonadism, Genital Diseases, Male
Interventions
testosterone cypionate, finasteride, placebo injection, placebo pill
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2032
U.S. locations
4
States / cities
Aurora, Colorado • Gainesville, Florida • Tampa, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 6, 2026, 7:37 PM EDT
Recruiting Not applicable Interventional

Studying Melatonin and Recovery in Teens

NCT06093477
View directory record Official record
Conditions
Juvenile; Scoliosis, Scoliosis Idiopathic, Scoliosis; Adolescence, Scoliosis;Congenital, Kyphosis, Spondylolisthesis, Pectus Surgery, Hip Surgery
Interventions
Fast-Dissolve Melatonin Pill, Fast-Dissolve Placebo Pill
Dietary Supplement · Other
Lead sponsor
Stanford University
Other
Eligibility
12 Years to 18 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 3 Interventional Results available

Pharmacogenetics of Nicotine Addiction Treatment

NCT01314001
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Varenicline, Placebo, Transdermal Nicotine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
1,246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
3
States / cities
Buffalo, New York • Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 3, 2016 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 3 Interventional Results available

Pharmacologic Treatment of PTSD in Sexually Abused Children

NCT00078767
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic
Interventions
Trauma-Focused Cognitive Behavioral Therapy, Sertraline Pill, Placebo Oral Tablet
Behavioral · Drug
Lead sponsor
Allegheny Singer Research Institute (also known as Allegheny Health Network Research Institute)
Other
Eligibility
10 Years to 17 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 4 Interventional Results available

A Pharmacokinetic Study Comparing VI-0521 With Placebo in Obese Adolescents

NCT02714062
View directory record Official record
Conditions
Pediatric Obesity, Childhood Obesity
Interventions
Placebo, VI-0521 Mid Dose, VI-0521 Top Dose
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
12 Years to 17 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
4
States / cities
Baton Rouge, Louisiana • Marrero, Louisiana • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Oct 6, 2026, 7:37 PM EDT
Not yet recruiting Phase 2 Interventional

SCI-110 in the Treatment of Tourette Syndrome

NCT05126888
View directory record Official record
Conditions
Tourette Syndrome
Interventions
SCI-110, Placebo
Drug · Other
Lead sponsor
Neurothera Labs Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Does Propranolol Attenuate Inflammatory Responses to a Psychological Stressor?

NCT02972554
View directory record Official record
Conditions
Stress, Psychological, Inflammation, Cortisol, Sympathetic Nervous System
Interventions
Propanolol hydrochloride, Placebo
Drug · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 25 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 1 Interventional

Functional MRI Evaluation of the Effect of Citalopram in Autism Spectrum Disorders

NCT00609531
View directory record Official record
Conditions
Autism Spectrum Disorders
Interventions
Citalopram, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
10 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 8, 2012 · Synced Oct 6, 2026, 7:37 PM EDT
Recruiting Not applicable Interventional

Cocoa Extract for Migraine Trial

NCT06808230
View directory record Official record
Conditions
Migraine
Interventions
Cocoa extract, Cocoa extract placebo
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of Acetylcholine and Attention on Visual Spatial Representations in the Brain

NCT05003063
View directory record Official record
Conditions
Visual Perception, Attention, Information Processing, Cholinergic System
Interventions
Donepzil, Placebo oral tablet
Drug
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 2 Interventional Results available

Topiramate in Adolescents With Severe Obesity

NCT01859013
View directory record Official record
Conditions
Obesity, Morbid, Obesity, Weight Loss
Interventions
Topiramate, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
12 Years to 17 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 6, 2026, 7:37 PM EDT
Terminated Phase 2 Interventional Results available

MemoryXL Effects on Mild Cognitive Impairment Patients

NCT00903695
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Memory XL, placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
55 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 26, 2012 · Synced Oct 6, 2026, 7:37 PM EDT
Completed Phase 2 Interventional Results available

Memantine in Body Focused Repetitive Behaviors

NCT04792645
View directory record Official record
Conditions
Trichotillomania (Hair-Pulling Disorder), Dermatillomania
Interventions
Placebo, Memantine
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 6, 2026, 7:37 PM EDT