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ClinicalTrials.gov public records Last synced Oct 24, 2026, 3:45 PM EDT

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Showing 1–24 of 89 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo Only Gel Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Phase I Study of Safety and Persistence of UC-781 Vaginal Microbicide

NCT00441909
View directory record Official record
Conditions
HIV Infections
Interventions
UC-781, UC-781 placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 5, 2009 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Thyroid Therapy for Mild Thyroid Deficiency in Pregnancy

NCT00388297
View directory record Official record
Conditions
Subclinical Hypothyroidism, Hypothyroxinemia, Pregnancy
Interventions
Levothyroxine, Placebo for Levothyroxine
Drug
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
1,203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2015
U.S. locations
14
States / cities
Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Contraception and Menstrual Cycle Effect on Pharmacokinetics, Pharmacodynamics and Safety in Tenofovir Vaginal Gel Use

NCT01421368
View directory record Official record
Conditions
HIV Prevention
Interventions
Tenofovir 1% vaginal gel, Depo-medroxyprogesterone acetate (DMPA), Oral contraceptive: LNG 150 mcg and EE 30 mcg
Drug
Lead sponsor
CONRAD
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 10, 2015 · Synced Oct 24, 2026, 3:45 PM EDT
Recruiting Phase 4 Interventional

Menopausal HT for Women Living With HIV (HoT)

NCT06856174
View directory record Official record
Conditions
HIV Infection, Menopause
Interventions
Transdermal estradiol gel, Micronized Progesterone, Placebo for estradiol gel, Placebo for micronized progesterone
Drug
Lead sponsor
Advancing Clinical Therapeutics Globally for HIV/AIDS and Other Infections
Network
Eligibility
40 Years to 60 Years · Female only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
23
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 18 more
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 24, 2026, 3:45 PM EDT
Terminated Phase 1 Interventional

Effect of Varying Testosterone Levels on Insulin Sensitivity in Men With Idiopathic Hypogonadotropic Hypogonadism (IHH)

NCT03118479
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Kallmann Syndrome
Interventions
Anastrozole Pill, Testosterone, Placebo Oral Tablet
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2017 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate ASN008 Topical Gel (TG)

NCT03798561
View directory record Official record
Conditions
Dermatitis, Atopic, Pruritus, Dermatitis Eczema
Interventions
ASN008 TG, Placebo TG
Drug
Lead sponsor
Asana BioSciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
4
States / cities
Cortland, New York • High Point, North Carolina • San Antonio, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Sensitization Study of ATx201 in Healthy Volunteers

NCT03375957
View directory record Official record
Conditions
Sensitivity, Contact
Interventions
ATx201, ATx201 Placebo Gel
Drug
Lead sponsor
UNION therapeutics
Industry
Eligibility
18 Years to 65 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Oct 24, 2026, 3:45 PM EDT
Recruiting Phase 2 Interventional

A Study to Evaluate the Safety and Efficacy of NEXAGON® (Lufepirsen Ophthalmic Gel) in Subjects With PCED

NCT05966493
View directory record Official record
Conditions
Persistent Corneal Epithelial Defect
Interventions
lufepirsen high dose, Vehicle, lufepirsen low dose
Drug
Lead sponsor
Glaukos Corporation
Industry
Eligibility
2 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
21
States / cities
Dothan, Alabama • Petaluma, California • Torrance, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Phase 2 Interventional

Study of Acetaminophen (ACE) in Post-operative Dental Pain

NCT02320708
View directory record Official record
Conditions
Dental Pain
Interventions
Acetaminophen (ACE) (1000 mg), Commercial ACE (1000 mg), Commercial Ibuprofen (IBU) (400 mg), Placebo
Drug
Lead sponsor
Johnson & Johnson Healthcare Products Division of McNEIL-PPC, Inc.
Industry
Eligibility
17 Years to 50 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 3, 2021 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Duration of Effect of Acidform Gel on Vaginal pH

NCT02693418
View directory record Official record
Conditions
Healthy
Interventions
Acidform 5 g, Placebo 4 g, Acidform 4 g, Acidform 3 g
Drug
Lead sponsor
Evofem Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Baltimore, Maryland • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 20, 2020 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Phase 2 Interventional

COL-1077 (Lidocaine Bioadhesive Gel, 10%) in Women Undergoing Transvaginal Pipelle-Directed Endometrial Biopsy

NCT02465320
View directory record Official record
Conditions
Endometrial Biopsy
Interventions
COL-1077, Placebo
Drug
Lead sponsor
Juniper Pharmaceuticals, Inc.
Industry
Eligibility
40 Years to 75 Years · Female only
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
23
States / cities
Norwalk, California • Colorado Springs, Colorado • Lakewood, Colorado + 19 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2016 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Safety Study to Investigate the Skin Sensitization Potential of MFC51123

NCT02192203
View directory record Official record
Conditions
Pain
Interventions
Diclofenac + Menthol Gel, Diclofenac Only Gel, Menthol Only Gel, Placebo Only Gel
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
227 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Paramus, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 28, 2017 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Phase 2 Interventional

Phase 2 Efficacy Trial of OLT1177 Gel in Subjects With Moderate to Severe Pain Associated With OA of the Knee

NCT01768975
View directory record Official record
Conditions
Osteoarthritis of the Knee
Interventions
OLT1177 Gel, Placebo gel
Drug · Other
Lead sponsor
Olatec Therapeutics, Inc.
Industry
Eligibility
35 Years to 80 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
3
States / cities
DeLand, Florida • South Miami, Florida • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2014 · Synced Oct 24, 2026, 3:45 PM EDT
Terminated Phase 2 Interventional

Evaluation of the Safety and Efficacy Study of RGN-137 Topical Gel for Junctional and Dystrophic Epidermolysis Bullosa

NCT03578029
View directory record Official record
Conditions
Junctional Epidermolysis Bullosa, Dystrophic Epidermolysis Bullosa
Interventions
RGN-137, Placebo
Drug
Lead sponsor
Lenus Therapeutics, LLC
Industry
Eligibility
4 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
5
States / cities
Evanston, Illinois • Brooklyn, New York • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2022 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Rectal Microbicide Safety and Acceptability Trial of Topically Applied Tenofovir Compared With Oral Tablet

NCT00984971
View directory record Official record
Conditions
HIV Prevention, HIV Infections
Interventions
Tenofovir, HEC Placebo, Open label tenofovir tablet
Drug
Lead sponsor
CONRAD
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
2
States / cities
Los Angeles, California • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 28, 2015 · Synced Oct 24, 2026, 3:45 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 24, 2026, 3:45 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Sexual Absorption of Vaginal Progesterone

NCT01959464
View directory record Official record
Conditions
Infertility, Pregnancy
Interventions
Crinone vaginal progesterone gel, Placebo vaginal gel
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 22, 2022 · Synced Oct 24, 2026, 3:45 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Prevention of Recurrent UTI Using Vaginal Testosterone Versus Placebo Placebo

NCT04807894
View directory record Official record
Conditions
Recurrent Urinary Tract Infection, Vaginal Atrophy, Postmenopausal Disorder
Interventions
Vaginal Cream with Applicator
Drug
Lead sponsor
Jefferson Drapkin
Other
Eligibility
60 Years to 90 Years · Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 24, 2026, 3:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Effects of Pre-Meal Whey Protein Microgels Administration on Post-Prandial Glycemic Response.

NCT04639726
View directory record Official record
Conditions
Dietary Supplement
Interventions
Whey Protein Micro Gel, Water without Whey Protein.
Dietary Supplement · Other
Lead sponsor
Société des Produits Nestlé (SPN)
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Tustin, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 24, 2026, 3:45 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 24, 2026, 3:45 PM EDT
Completed Phase 1 Interventional

Randomized, Double Blind, Placebo-controlled Topical Resiquimod Adjuvant for NY-ESO-1 Protein Vaccination

NCT00821652
View directory record Official record
Conditions
Tumors
Interventions
NY-ESO-1 protein; Montanide ISA®-51 VG; Resiquimod, NY-ESO-1 protein; Montanide ISA®-51 VG; Resiquimod/placebo
Drug
Lead sponsor
Nina Bhardwaj
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 8, 2015 · Synced Oct 24, 2026, 3:45 PM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

FIH Lead-in Study of YASO GEL Followed by a Phase 1 Randomized, Double-blind Study to Assess Safety and Pharmacokinetics of YASO GEL

NCT07281404
View directory record Official record
Conditions
Early-phase Safety and PK Study of a Vaginal Gel
Interventions
YASO GEL, Placebo gel
Drug
Lead sponsor
Yaso Therapeutics Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Oct 24, 2026, 3:45 PM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Testosterone and Neural Function in Men With Spinal Cord Injury

NCT06130449
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Natesto testosterone intranasal gel, Ayr Saline Nasal Gel
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 80 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 24, 2026, 3:45 PM EDT
Completed No phase listed Observational

Periodontal Treatment Response in Type II Diabetic Patients

NCT01881074
View directory record Official record
Conditions
Type II Diabetes, Periodontal Disease
Interventions
Triclosan containing toothpaste, Non-triclosan containing toothpaste
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Oct 24, 2026, 3:45 PM EDT