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ClinicalTrials.gov public records Last synced Oct 4, 2026, 1:24 PM EDT

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Showing 25–48 of 203 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo Gel Dosage Clear all
Completed Phase 3 Interventional Results available

Safety and Efficacy of Tafamidis in Patients With Transthyretin Cardiomyopathy

NCT01994889
View directory record Official record
Conditions
Transthyretin (TTR) Amyloid Cardiomyopathy
Interventions
Tafamidis, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 90 Years
Enrollment
441 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
50
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 4, 2026, 1:24 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Hypertrophic Scar Prevention by Novel Topical Gel Application

NCT03403621
View directory record Official record
Conditions
Hypertrophic Scar
Interventions
Pentamidine Isethionate, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 22, 2023 · Synced Oct 4, 2026, 1:24 PM 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 30, 2024 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Efficacy of a New Delivery System for Beta-hydroxy-beta-methylbutyrate

NCT01150526
View directory record Official record
Conditions
Healthy
Interventions
CaHMB, HMB Free Acid Gel, Placebo, Placebo Gel Dosage
Dietary Supplement
Lead sponsor
Metabolic Technologies Inc.
Industry
Eligibility
18 Years to 40 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 18, 2012 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Testosterone Replacement in Older Men and Atherosclerosis Progression

NCT00287586
View directory record Official record
Conditions
Hypogonadism, Atherosclerosis
Interventions
Testosterone Gel (Androgel), Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
60 Years and older · Male only
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2012
U.S. locations
3
States / cities
Phoenix, Arizona • Los Angeles, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2017 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Wayfinding Intervention in High-Fidelity Long-Term Memory

NCT04253587
View directory record Official record
Conditions
Long-Term Memory Decline, Mild Cognitive Impairment
Interventions
LabyrinthVR, Placebo Games, Coherence, Tablet
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
62 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2023 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 3 Interventional Results available

Beta Adrenergic Antagonist for the Healing of Chronic DFU

NCT03282981
View directory record Official record
Conditions
Chronic Diabetic Foot Ulcers, Diabetic Neuropathic Ulcers, Non Healing Wound
Interventions
Timolol, Non biologically active gel
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional

A Bioequivalence Study With Clinical Endpoints Comparing Adapalene and Benzoyl Peroxide Topical Gel 0.1%/2.5% (Actavis Mid-Atlantic LLC) To Epiduo™ (Adapalene and Benzoyl Peroxide) Gel 0.1%/2.5% (Galderma Laboratories, L.P.) in the Treatment of Mild to Severe Acne Vulgaris

NCT01501799
View directory record Official record
Conditions
Acne Vulgaris
Interventions
adapalene 0.1% and benzoyl peroxide 2.5% topical gel, EPIDUO, Placebo (Vehicle Gel)
Drug
Lead sponsor
Actavis Mid-Atlantic LLC
Industry
Eligibility
12 Years to 40 Years
Enrollment
885 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
8
States / cities
Fremont, California • Miami, Florida • Miramar, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2011 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Pharmacokinetics and Pharmacodynamics of a Single Acute Dose of a Hemp-derived Oral Product With a 1:1 Ratio of CBD:CBD-A

NCT05049733
View directory record Official record
Conditions
Cannabis
Interventions
CBD 1mg/Kg, CBD 2mg/Kg, CBD 4mg/Kg, Placebo CBD
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 7, 2023 · Synced Oct 4, 2026, 1:24 PM EDT
Not yet recruiting Phase 1 Interventional

Xylitol Use for Decolonization of C. Difficile in Patients With IBD

NCT05852587
View directory record Official record
Conditions
Inflammatory Bowel Diseases, Clostridioides Difficile Infection
Interventions
Xylitol, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2033
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 25, 2026 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 2 Interventional Results available

The ENRGISE (ENabling Reduction of Low-Grade Inflammation in SEniors) Pilot Study

NCT02676466
View directory record Official record
Conditions
Inflammation
Interventions
Omega-3 fish oil, Losartan, Corn Oil (Fish oil Placebo), Cellulose Based (Losartan Placebo)
Dietary Supplement · Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
70 Years and older
Enrollment
289 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
5
States / cities
Gainesville, Florida • Chicago, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 4 Interventional Results available

Effect of Testosterone in Men With Erectile Dysfunction

NCT00512707
View directory record Official record
Conditions
Erectile Dysfunction, Testosterone Deficiency, Diabetes
Interventions
Sildenafil citrate (open label), Testosterone gel, Placebo gel
Drug · Other
Lead sponsor
Boston University
Other
Eligibility
40 Years to 70 Years · Male only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2017 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Male Tolerance Study of Dapivirine Gel Following Multiple Topical Penile Exposures

NCT01277640
View directory record Official record
Conditions
Topical Penile Exposures
Interventions
dapivirine, matched placebo, universal placebo
Drug
Lead sponsor
International Partnership for Microbicides, Inc.
Industry
Eligibility
18 Years and older · Male only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
2
States / cities
Birmingham, Alabama • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2017 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Metformin During Nicotine Withdrawal

NCT03593538
View directory record Official record
Conditions
Smoking, HIV-1-infection
Interventions
Metformin, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 26, 2021 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dose-Response of Gonadal Steroids and Bone Turnover in Older Men

NCT00114114
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Testosterone, Goserelin acetate
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years to 75 Years · Male only
Enrollment
177 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety and Clinical Study of Azelaic Acid Gel 15% in Patients With Moderate Facial Rosacea

NCT02120924
View directory record Official record
Conditions
Rosacea
Interventions
Azelaic acid, Vehicle, Finacea
Drug
Lead sponsor
Actavis Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,009 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
30
States / cities
Fremont, California • Santa Monica, California • Brandon, Florida + 26 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2020 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 3 Interventional Results available

Study of Efficacy, Safety and Tolerability of Levodopa-Carbidopa Intestinal Gel in Levodopa-Responsive Parkinson's Subjects

NCT00660387
View directory record Official record
Conditions
Advanced Parkinson's Disease
Interventions
Levodopa carbidopa intestinal gel (LCIG), Placebo Gel, Levodopa-carbidopa (LC) oral encapsulated immediate release (IR) tablets, Placebo (PBO) oral capsules, CADD-Legacy® 1400 ambulatory infusion pump, PEG tube, J-tube
Drug · Device
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
30 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
11
States / cities
Birmingham, Alabama • Fountain Valley, California • Oceanside, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2015 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 3 Interventional Results available

A Randomized, Clinical Trial of Vitamin E and Memantine in Alzheimer's Disease

NCT00235716
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
dl-alpha-tocopherol, Memantine, Placebo
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
40 Years and older
Enrollment
613 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
13
States / cities
Bay Pines, Florida • Miami, Florida • Iowa City, Iowa + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Efficacy and Safety Study of RT001 to Treat Moderate to Severe Lateral Canthal Lines

NCT00968942
View directory record Official record
Conditions
Lateral Canthal Lines, Crow's Feet, Facial Wrinkles
Interventions
Botulinum Toxin Type A, Placebo
Drug
Lead sponsor
Revance Therapeutics, Inc.
Industry
Eligibility
30 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Nov 19, 2013 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 4 Interventional Results available

AndroGel in Men With Major Depression and Incomplete Response to Antidepressant Treatment

NCT00304746
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Testosterone gel, Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
30 Years to 65 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 24, 2010 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 2 Interventional Results available

A Study of DER 45-EV Gel to Treat Rosacea

NCT00940992
View directory record Official record
Conditions
Rosacea
Interventions
DER 45 EV, Vehicle
Drug
Lead sponsor
Sol-Gel Technologies, Ltd.
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
10
States / cities
Miami, Florida • Augusta, Georgia • Fridley, Minnesota + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2015 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 4 Interventional Results available

Benzocaine Gel Toothache Dose-Response Study

NCT00474175
View directory record Official record
Conditions
Toothache
Interventions
Placebo gel, benzocaine
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
12 Years and older
Enrollment
577 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
8
States / cities
Baltimore, Maryland • Boston, Massachusetts • Detroit, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2013 · Synced Oct 4, 2026, 1:24 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

T-IR- Study to Understand the Effects of Testosterone and Estrogen on the Body's Response to the Hormone Insulin

NCT01686828
View directory record Official record
Conditions
Insulin Resistance, Type 2 Diabetes Mellitus, Obesity, Androgen Deficiency, Metabolic Disease
Interventions
Acyline, Testosterone 1.62% gel, Letrozole, Placebo gel (for Testosterone 1.62% gel), Placebo pill (for Letrozole)
Drug
Lead sponsor
University of Washington
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 8, 2018 · Synced Oct 4, 2026, 1:24 PM EDT
Terminated Phase 4 Interventional

Biofreeze® vs. a Placebo on Knee Osteoarthritis Walking Gait Characteristics and Pain

NCT03888807
View directory record Official record
Conditions
Knee Osteoarthritis
Interventions
Biofreeze, Placebo
Drug
Lead sponsor
Sport and Spine Rehab Clinical Research Foundation
Other
Eligibility
40 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 2, 2024 · Synced Oct 4, 2026, 1:24 PM EDT