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ClinicalTrials.gov public records Last synced Oct 13, 2026, 7:11 PM EDT

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Showing 241–264 of 27,749 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo and sham treatment Clear all
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of Melatonin on Sleep, Ventilatory Control and Cognition at Altitude.

NCT03368352
View directory record Official record
Conditions
Altitude Hypoxia, Ventilation, Sleep, Oxidative Stress, Neurocognitive Dysfunction
Interventions
Melatonin, Hypoxia
Dietary Supplement · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

RJV001 Study in Adults Receiving Abdominoplasty

NCT04821648
View directory record Official record
Conditions
Submental Fat (SMF), Double Chin
Interventions
RJV001, Placebo
Drug
Lead sponsor
Rejuven Dermaceutical Co., Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 18, 2022 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 3 Interventional Results available

Triple III Comparison of Leflunomide Alone Versus Two DMARD Combinations in the Treatment of Rheumatoid Arthritis

NCT00579878
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Leflunomide, Methotrexate-Sulfasalazine-Hydroxychloroquine, Leflunomide-Sulfasalazine-Hydroxychloroquine
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 80 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 2, 2023 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Effects of Brensocatib on QT Interval in Healthy Participants

NCT05355935
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Brensocatib, Moxifloxacin, Placebo
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gender, Obesity, C-Reactive Protein, and Oxidative Stress

NCT00079963
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Vitamin C, Vitamin E, Placebo
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Sep 27, 2017 · Synced Oct 13, 2026, 7:11 PM EDT
Terminated Phase 2 Interventional Results available

Efficacy and Safety of MK-6194 in Adult Participants With Systemic Lupus Erythematosus (MK-6194-006)

NCT06161116
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
MK-6194, Placebo
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
19
States / cities
Covina, California • La Jolla, California • La Palma, California + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Randomized Controlled Trial to Evaluate the Safety and Efficacy of an Oral Supplement in Supporting Vision and Eye Health

NCT07123584
View directory record Official record
Conditions
Dry Eye, Eye Fatigue
Interventions
Eye Empower, Placebo
Dietary Supplement
Lead sponsor
Bio Nature Health
Industry
Eligibility
45 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Oct 13, 2026, 7:11 PM EDT
Terminated Phase 2 Interventional Results available

Testing Dabrafenib and Trametinib With or Without Hydroxychloroquine in Stage IIIC or IV BRAF V600E/K Melanoma

NCT04527549
View directory record Official record
Conditions
Clinical Stage IV Cutaneous Melanoma AJCC v8, Locally Advanced Melanoma, Pathologic Stage IIIC Cutaneous Melanoma AJCC v8, Pathologic Stage IV Cutaneous Melanoma AJCC v8, Unresectable Melanoma
Interventions
Dabrafenib mesylate, Hydroxychloroquine, Placebo Administration, Trametinib dimethyl sulfoxide
Drug
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
199
States / cities
Anchorage, Alaska • Phoenix, Arizona • Scottsdale, Arizona + 139 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

First-in-human Study to Assess Safety and Tolerability of a Single Subcutaneous Dose of SAR441255 in Lean to Overweight Subjects

NCT04521738
View directory record Official record
Conditions
Overweight, Healthy Subjects
Interventions
SAR441255, placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 1 Interventional

A Study to Evaluate Safety, Tolerability, and Pharmacokinetics of SAGE-718 Oral Solution in Patients With Huntington's Disease - Part B

NCT03787758
View directory record Official record
Conditions
Huntington Disease
Interventions
SAGE-718
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
2
States / cities
Long Beach, California • Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study of NBI-98854 for the Treatment of Tardive Dyskinesia

NCT02274558
View directory record Official record
Conditions
Tardive Dyskinesia
Interventions
NBI-98854, Placebo
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
18 Years to 85 Years
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
48
States / cities
Little Rock, Arkansas • Anaheim, California • Glendale, California + 45 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 3 Interventional

To Determine How Different Doses of Tadalafil Work on Getting and Keeping an Erection 26 or 36 Hours After Taking

NCT00547508
View directory record Official record
Conditions
Impotence
Interventions
tadalafil, placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Male only
Enrollment
485 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 22, 2007 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 1 Interventional

Safety and Tolerability of Dimebon in Patients on Memantine, and Memantine Plus Donepezil

NCT00829816
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Dimebon, Placebo
Drug
Lead sponsor
Medivation, Inc.
Industry
Eligibility
50 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
4
States / cities
Los Alamitos, California • National City, California • Delray Beach, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Safety and Efficacy of Inhaled Treprostinil in Adult PH With ILD Including CPFE

NCT02630316
View directory record Official record
Conditions
Pulmonary Hypertension, Interstitial Lung Disease, Combined Pulmonary Fibrosis and Emphysema
Interventions
Inhaled Treprostinil, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
326 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
96
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 71 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Microalgae Extract Phaeosol Combined to Exercise in Healthy Overweight Women : Efficacy on Body Weight Management

NCT04761406
View directory record Official record
Conditions
Overweight and Obesity, Body Weight Changes, Healthy Lifestyle, Exercise, Dietary Supplement
Interventions
Phaeosol group, Placebo group
Dietary Supplement
Lead sponsor
Microphyt
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Safety and Efficacy of E/C/F/TAF (Genvoya®) Versus E/C/F/TDF (Stribild®) in HIV-1 Positive, Antiretroviral Treatment-Naive Adults

NCT01780506
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
E/C/F/TAF, E/C/F/TDF, E/C/F/TDF Placebo, E/C/F/TAF Placebo
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
872 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
78
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 55 more
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Oct 13, 2026, 7:11 PM EDT
Terminated Phase 1 Interventional

Allogeneic hMSC Injection in Patients With Hypoplastic Left Heart Syndrome

NCT02398604
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome
Interventions
Allo-hMSCs, Placebo
Drug
Lead sponsor
Longeveron Inc.
Industry
Eligibility
Up to 30 Days
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 19, 2021 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 3 Interventional Results available

Comparative Study of Ceftaroline vs. Ceftriaxone in Adult Subjects With Community-Acquired Pneumonia

NCT00621504
View directory record Official record
Conditions
Bacterial Pneumonia
Interventions
Ceftaroline fosamil for Injection, IV Ceftriaxone, Placebo, Clarithromycin
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
606 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
12
States / cities
Los Angeles, California • Pasadena, California • Sacramento, California + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Oct 13, 2026, 7:11 PM EDT
Recruiting Phase 2 Interventional

IVIG for Infection Prevention After CAR-T-Cell Therapy

NCT05952804
View directory record Official record
Conditions
Hematologic Malignancies
Interventions
Immune Globulin Infusion (Human), 10% Solution, Anti-CD19 CAR T Cells Preparation, Saline, Biospecimen Collection, Survey Administration, Electronic Health Record Review
Biological · Other · Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
7
States / cities
Duarte, California • Miami, Florida • Tampa, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of 9-valent Extraintestinal Pathogenic Escherichia Coli Vaccine (ExPEC9V) and High-dose Quadrivalent Influenza Vaccine, With and Without Co-administration, in Adults Aged 65 Years or Older

NCT06134804
View directory record Official record
Conditions
Invasive Extraintestinal Pathogenic Escherichia Coli Disease (IED) Prevention
Interventions
ExPEC9V, Placebo, HD quadrivalent influenza vaccine
Biological
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
65 Years and older
Enrollment
959 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
24
States / cities
Huntsville, Alabama • Mobile, Alabama • San Diego, California + 19 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2026 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 4 Interventional Results available

Minimal Opioid Use After Total Hip Replacement (THR)

NCT03090152
View directory record Official record
Conditions
Osteoarthritis, Hip
Interventions
Periarticular injection (Deep injection), Periarticular injection (Superficial injection), Bupivacaine, Placebo
Procedure · Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
50 Years to 75 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 1Phase 2 Interventional Results available

HIV-1-Gag Conserved-Element DNA Vaccine (p24CE) Vaccine Study

NCT03560258
View directory record Official record
Conditions
HIV Infections
Interventions
p24CE1/2 pDNA vaccine, p24CE1/2 pDNA vaccine admixed with full-length p55^gag pDNA vaccine, Full-length p55^gag pDNA vaccine, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
14
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 2 Interventional Results available

Xyrem(Sodium Oxybate) and Ambien(Zolpidem Tartrate) in the Treatment of Chronic Insomnia.

NCT00383643
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
zolpidem tartrate, sodium oxybate, Matching Placebos
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Oct 13, 2026, 7:11 PM EDT
Completed Phase 2 Interventional Results available

Phase II HDM-SPIRE Safety and Efficacy Study

NCT02150343
View directory record Official record
Conditions
Rhinoconjunctivitis
Interventions
HDM-SPIRE, Placebo
Drug
Lead sponsor
Circassia Limited
Industry
Eligibility
18 Years to 65 Years
Enrollment
715 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
56
States / cities
Birmingham, Alabama • Huntington Beach, California • Long Beach, California + 53 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2018 · Synced Oct 13, 2026, 7:11 PM EDT