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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Placebo Control Form 5 Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Creatine Monohydrate Supplementation and Vascular Endothelial Health

NCT05014659
View directory record Official record
Conditions
Endothelial Dysfunction, Oxidative Stress
Interventions
Creatine monohydrate, Placebo
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
50 Years to 64 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jan 12, 2023 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 1 Interventional

SER-262 Versus Placebo in Adults With Primary Clostridium Difficile Infection to Prevent Recurrence

NCT02830542
View directory record Official record
Conditions
Clostridium Difficile Infection
Interventions
SER-262, Placebo
Drug
Lead sponsor
Seres Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
22
States / cities
Athens, Alabama • Fountain Valley, California • La Mesa, California + 19 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2023 · Synced Sep 12, 2026, 1:03 AM EDT
Recruiting Early Phase 1 Interventional

Examining the Effects of Theta Burst TMS on Brain Connectivity and Balance Ability in Older Adults With Balance Problems

NCT06779188
View directory record Official record
Conditions
Aging, Balance Deficits
Interventions
Transcranial Magnetic Stimulation, Transcranial Magnetic Stimulation Sham
Device
Lead sponsor
Weinberg Medical Physics LLC
Industry
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 12, 2026, 1:03 AM EDT
Terminated Phase 1 Interventional

A Proof of Concept Study of the Prevention of Mild Cognitive Impairment and Eventual Alzheimer's Disease Using F18 Flutemetamol

NCT03274817
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Escitalopram Pill, Venlafaxine Pill, Placebo Oral Tablet
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
60 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 1, 2020 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 2 Interventional Results available

Study of the Medication Prazosin for Alcohol Dependence

NCT00762710
View directory record Official record
Conditions
Alcoholism
Interventions
Prazosin medication, Placebo medication
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 3, 2020 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Radicle Sleep: A Study of Plant Derived Cannabinoids on Sleep and Overall Health Outcomes

NCT05552898
View directory record Official record
Conditions
Sleep
Interventions
Sleep Study Product Usage
Dietary Supplement
Lead sponsor
Radicle Science
Industry
Eligibility
21 Years to 105 Years
Enrollment
1,750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Del Mar, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 2 Interventional Results available

A Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group, Bayesian Adaptive Randomization Design, Dose Response Study of the Efficacy of E2006 in Adults and Elderly Subjects With Chronic Insomnia

NCT01995838
View directory record Official record
Conditions
Chronic Insomnia, Adults, Elderly
Interventions
E2006, Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
29
States / cities
Glendale, Arizona • Phoenix, Arizona • Fountain Valley, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Sep 12, 2026, 1:03 AM EDT
Not listed Phase 3 Interventional

A Study of a Topical Form of Nitroglycerin and Placebo in the Treatment and Prevention of Raynaud's Phenomenon

NCT00577304
View directory record Official record
Conditions
Raynaud's Disease, Raynaud's Disease Secondary to Scleroderma, Raynaud's Disease Secondary to Other Autoimmune Disease
Interventions
Nitroglycerin, Topical AmphiMatrix
Drug
Lead sponsor
MediQuest Therapeutics
Industry
Eligibility
15 Years to 70 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
17
States / cities
Stanford, California • Denver, Colorado • Farmington, Connecticut + 14 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2010 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 4 Interventional Results available

Responses of Myocardial Ischemia to Escitalopram Treatment

NCT00574847
View directory record Official record
Conditions
Myocardial Ischemia
Interventions
Escitalopram, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
21 Years to 90 Years
Enrollment
127 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 4, 2015 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Intranasal BPZE1 Vaccination in Healthy Adults

NCT03541499
View directory record Official record
Conditions
Pertussis, Pertussis Immunisation
Interventions
BPZE1, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

BCG Vaccination Delivered Intradermally, Orally and by Combined Routes

NCT00396370
View directory record Official record
Conditions
Tuberculosis
Interventions
BCG strain Connaught, BCG strain Danish, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 11, 2019 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 2 Interventional Results available

Dose-finding Study for SAR442168 in Relapsing Multiple Sclerosis

NCT03889639
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
SAR442168, Placebo, Locally approved intravenous contrast medium for contrast enhanced magnetic resonance imaging (MRI)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 55 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
9
States / cities
Cullman, Alabama • Maitland, Florida • Sunrise, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 2 Interventional Results available

Prazosin for Alcohol Dependence and Posttraumatic Stress Disorder

NCT01518972
View directory record Official record
Conditions
Alcohol Abuse, Posttraumatic Stress Disorder
Interventions
Prazosin, Placebo medication
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Sep 12, 2026, 1:03 AM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

A Phase 1 Study Evaluating the Safety, Tolerability, and Immunogenicity of V4020 Vaccine in Healthy Volunteers

NCT07088822
View directory record Official record
Conditions
Venezuelan Equine Encephalitis, Venezuelan Equine Encephalitis Virus Infection
Interventions
V4020
Biological
Lead sponsor
Medigen, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Probiotic Supplementation on Immune Function in Healthy Infants

NCT01542320
View directory record Official record
Conditions
Inflammation
Interventions
Lactobacillus reuteri DSM 17938, Placebo
Dietary Supplement · Other
Lead sponsor
Emory University
Other
Eligibility
6 Weeks to 32 Weeks
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 5, 2015 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Biology of Resilience

NCT01011465
View directory record Official record
Conditions
Oxytocin, Placebo
Interventions
intranasal oxytocin, Placebo, Social support, No Social Support
Drug · Behavioral
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
22 Years to 65 Years
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 25, 2012 · Synced Sep 12, 2026, 1:03 AM EDT
Recruiting Phase 2 Interventional

Magnesium and Riboflavin Treatment for Post-Concussion Headache

NCT06260072
View directory record Official record
Conditions
Concussion, Intermediate
Interventions
magnesium and riboflavin supplement
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 40 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety Study of BMS-903452 in Healthy Subjects (Panel 1-7) & Relative Bioavailability of the Crystalline and Amorphous Forms of BMS-903452 [Panels 4, 6, 11 & 12(Part A)], and Subjects With Type 2 Diabetes Mellitus (Part B)

NCT01240980
View directory record Official record
Conditions
Diabetes
Interventions
BMS-903452, Placebo
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 65 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
2
States / cities
Miramar, Florida • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2012 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Evaluating the Infectivity, Safety and Immunogenicity of a Recombinant Live-Attenuated Respiratory Syncytial Virus Vaccine, LID/ΔM2-2/1030s, in RSV-Seronegative Infants and Children 6 to 24 Months of Age

NCT04520659
View directory record Official record
Conditions
RSV Infection
Interventions
RSV LID/ΔM2-2/1030s, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 24 Months
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
3
States / cities
Baltimore, Maryland • Rochester, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Not applicable Interventional Results available

Efficacy Study of Early Versus Late Oseltamivir Administration for Treating and Preventing Influenza

NCT00555893
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir, Placebo
Drug
Lead sponsor
Marshfield Clinic Research Foundation
Other
Eligibility
1 Year to 79 Years
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Marshfield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 15, 2018 · Synced Sep 12, 2026, 1:03 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Nu-3 Topical Gel for Treatment of Diabetic Foot Ulcer

NCT05276401
View directory record Official record
Conditions
Chronic Diabetic Foot Ulcers
Interventions
5% Bisphosphocin Topical Gel, Placebo Topical Gel, 10% Bisphosphocin Topical Gel
Drug
Lead sponsor
Lakewood-Amedex Inc
Industry
Eligibility
18 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
5
States / cities
Jonesboro, Arkansas • Fresno, California • South Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Fish Oil Supplementation on the Brain Health of Collegiate Football Athletes

NCT04796207
View directory record Official record
Conditions
Traumatic Brain Injury (TBI), Chronic Traumatic Encephalopathy (CTE)
Interventions
Fish Oil (DPA+EPA 2:1 ratio) Capsules, High Oleic Safflower Oil Capsules
Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Sep 12, 2026, 1:03 AM EDT
Recruiting Phase 1 Interventional

Influence of Mavoglurant on Alcohol Craving and Drinking in Heavy Drinkers

NCT06136195
View directory record Official record
Conditions
Alcohol Consumption, Heavy Drinker, Alcohol Use Disorder (AUD)
Interventions
Mavoglurant
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 50 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 12, 2026, 1:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Peru-15-pCTB in Healthy Adult Subjects

NCT00654108
View directory record Official record
Conditions
Gastroenteritis Escherichia Coli
Interventions
Ciprofloxacin, Peru-15-pCTB, Sodium bicarbonate/Ascorbic Acid/Aspartame Buffer
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 28, 2021 · Synced Sep 12, 2026, 1:03 AM EDT