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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Gender Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Neural Mechanisms of Light Driven Analgesia

NCT07245303
View directory record Official record
Conditions
Musculoskeletal Pain, Fibromyalgia, Healthy Controls Group - Age and Sex-matched
Interventions
S-cone modulating visual stimulus, Equal Energy White Visual Stimulus, Green light visual stimulus (S-OFF), Evoked Pressure Pain Stimulus
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Pragmatic Clinical Trial of MyPEEPS Mobile to Improve HIV Prevention Behaviors in Diverse Adolescent MSM

NCT03167606
View directory record Official record
Conditions
HIV Infections
Interventions
MyPEEPS Mobile
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
13 Years to 18 Years · Male only
Enrollment
764 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
4
States / cities
Birmingham, Alabama • Chicago, Illinois • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Jul 23, 2026, 2:17 PM EDT
Completed No phase listed Observational

Coronary Obstruction Detection by Molecular Personalized Gene Expression (Corus CAD or ASGES)

NCT01117506
View directory record Official record
Conditions
Coronary Artery Disease, Chest Pain, Cardiovascular Diseases, Coronary Heart Disease, Angina Pectoris, CAD, CVD, CHD
Interventions
Corus CAD (ASGES)
Diagnostic Test
Lead sponsor
CardioDx
Industry
Eligibility
35 Years to 90 Years
Enrollment
581 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
7
States / cities
Long Beach, California • Roseville, California • Boulder, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PrEPTECH Phase 2 Study of a PrEP Telehealth Intervention

NCT04902820
View directory record Official record
Conditions
Pre-Exposure Prophylaxis, HIV, Telemedicine
Interventions
PrEPTECH website, Online PrEP resource list
Other
Lead sponsor
ETR Associates
Other
Eligibility
15 Years to 27 Years · Male only
Enrollment
229 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Scotts Valley, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2023 · Synced Jul 23, 2026, 2:17 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Alcoholic Liver Disease and the Gut Microbiome

NCT05007470
View directory record Official record
Conditions
Alcohol Use Disorder, Alcoholic Liver Disease, Microbiome
Interventions
VSL #3 112.5 Capsule, Placebo
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 5, 2025 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enema Use and Acceptability in HIV Negative Men Who Have Sex With Men

NCT00696618
View directory record Official record
Conditions
HIV Infections
Interventions
Fleet Enema, tap water enema, Normosol-R enema
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 27, 2017 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Phase 2 Interventional Results available

Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of NBI-74788 in Adults With Congenital Adrenal Hyperplasia

NCT03525886
View directory record Official record
Conditions
CAH - Congenital Adrenal Hyperplasia
Interventions
NBI-74788
Drug
Lead sponsor
Neurocrine Biosciences
Industry
Eligibility
18 Years to 50 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
6
States / cities
Aurora, Colorado • Indianapolis, Indiana • Ann Arbor, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional

Treatment of Disruptive Behaviors in Fragile X Syndrome

NCT03510156
View directory record Official record
Conditions
Fragile X Syndrome, Disruptive Behavior
Interventions
Behavior analytic treatment
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
3 Years to 10 Years · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 3, 2022 · Synced Jul 23, 2026, 2:17 PM EDT
Completed No phase listed Observational

PCOS Twin Study - Environmental Factors in the Development of Polycystic Ovary Syndrome, Phase 2

NCT00444288
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Pilot Peer Mentor Intervention That Trains Black Men Who Have Sex With Men (BMSM) to Use and Promote Uptake of HIV/STI Self-Testing to Peers and Sex Partners: STAR Study (Self-Testing at Your Residence)

NCT04121962
View directory record Official record
Conditions
HIV/AIDS, Sexually Transmitted Diseases
Interventions
Peer Mentor, Website only
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
17 Years to 60 Years · Male only
Enrollment
163 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 19, 2024 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Couples Health Project: Couples-based Intervention to Reduce Drug Use and HIV Transmission Risk

NCT03386110
View directory record Official record
Conditions
Risk Behavior, Drug Use, Sex, Anal
Interventions
Couples Health Project (CHP), Education
Behavioral
Lead sponsor
Hunter College of City University of New York
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2021 · Synced Jul 23, 2026, 2:17 PM EDT
Completed No phase listed Observational

Bone Mineral Density and Subsequent Cancer Risk

NCT00340262
View directory record Official record
Conditions
Endometrial Cancer, Breast Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
55 Years to 80 Years · Female only
Enrollment
15,595 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 29, 2020 · Synced Jul 23, 2026, 2:17 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Interrogating Fatty Acid Metabolism Impairment and Clinical Correlates in Males with Klinefelter Syndrome

NCT05498090
View directory record Official record
Conditions
Klinefelter Syndrome
Interventions
Fenofibrate 145 mg
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years to 40 Years · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Jul 23, 2026, 2:17 PM EDT
Withdrawn No phase listed Observational

Prostaglandin E2 as a Critical Mediator of Sex Disparities in Asthma

NCT03825302
View directory record Official record
Conditions
Asthma
Interventions
Methacholine challenge, Mannitol challenge
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 16, 2022 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional Results available

Effect of Metformin on Sensitivity of the GnRH Pulse Generator to Suppression by Estradiol and Progesterone

NCT01427595
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Hyperandrogenism
Interventions
Metformin, Progesterone, estrace
Drug
Lead sponsor
University of Virginia
Other
Eligibility
10 Years to 17 Years · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 7, 2021 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Asdzáán Be'eená Teen Pregnancy and Substance Use Prevention Program for Native American Youth and Their Caregiver

NCT04863729
View directory record Official record
Conditions
Sex Behavior
Interventions
Asdzaan Be'eena Program
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
10 Years to 14 Years · Female only
Enrollment
408 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
2
States / cities
Chinle, Arizona • Tuba City, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

e-HERO: Ending the HIV Epidemic in Rural Oklahoma

NCT05664802
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV)
Interventions
e-HERO: Ending the HIV Epidemic in Rural Oklahoma
Behavioral
Lead sponsor
Northern Arizona University
Other
Eligibility
17 Years to 29 Years · Male only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Flagstaff, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 23, 2026, 2:17 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Tweens to Teens Project at Penn State

NCT01184651
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia
Interventions
Questionnaires/Interviews
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
10 Years to 13 Years · Female only
Enrollment
188 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 7, 2018 · Synced Jul 23, 2026, 2:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

FOCUS ON US: Adapting the FOCUS Program for Sexual and Gender Minority (SGM) Cancer Patients and Caregivers

NCT06800053
View directory record Official record
Conditions
Cancer Support, Oncology Patients, Caregivers
Interventions
FOCUS ON US
Behavioral
Lead sponsor
Charles Kamen
Other
Eligibility
18 Years to 100 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Detroit, Michigan • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 23, 2026, 2:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Testing a Gender-inclusive HIV Prevention Program

NCT06586151
View directory record Official record
Conditions
HIV Prevention
Interventions
Transcendent Health, Text Messaging with Information
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
14 Years to 18 Years · Male only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Clemente, California
Source: ClinicalTrials.gov public record
Updated Dec 7, 2025 · Synced Jul 23, 2026, 2:17 PM EDT
Not yet recruiting Phase 2 Interventional

Inhibition of Aggressive Behavior in Participants With Fragile X Syndrome

NCT07328529
View directory record Official record
Conditions
Aggressive Behavior in Fragile X Syndome
Interventions
SRX246, Placebo
Drug
Lead sponsor
Azevan Pharmaceuticals
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Sacramento, California • Chicago, Illinois • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Phase 1Phase 2 Interventional

Stonewall Treatment Evaluation Project

NCT01129401
View directory record Official record
Conditions
Substance Abuse, HIV Infections
Interventions
Stonewall Project
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2014 · Synced Jul 23, 2026, 2:17 PM EDT
Recruiting No phase listed Observational

Novel Characterization of Sex Specific Biologic Signatures in Valvular Heart Disease

NCT06780241
View directory record Official record
Conditions
Aortic Regurgitation, Mitral Regurgitation, Aortic Stenosis
Interventions
CMR, Quality of Life Questionnaire
Diagnostic Test · Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Jul 23, 2026, 2:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Specialized Centers of Research (SCOR)on Sex Differences - Kyphosis Study

NCT01766674
View directory record Official record
Conditions
Kyphosis
Interventions
Kyphosis spinal strengthening exercises
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
60 Years and older
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 12, 2019 · Synced Jul 23, 2026, 2:17 PM EDT