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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:55 AM EDT

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Showing 193–216 of 1,082 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Gender Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Establishing Normal Cognitive Test Scores for Adults Using a Voice-Enabled Digital Testing Platform Across the Lifespan

NCT07763392
View directory record Official record
Conditions
Cognition, Cognition Disorders, Cognition - Other, Dementia, Alzheimer Disease, Memory, Neurocognition
Interventions
Voice-based Cognitive Testing
Diagnostic Test
Lead sponsor
The Neurology Center of Southern California
Other
Eligibility
18 Years to 100 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Carlsbad, California
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 21, 2026, 5:55 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Transgender Youth and PrEP: PK, Safety, Uptake & Adherence - Intervention Development

NCT04077138
View directory record Official record
Conditions
HIV/AIDS, Gender, Behavior and Behavior Mechanisms
Interventions
Not listed
Lead sponsor
Hektoen Institute for Medical Research
Other
Eligibility
15 Years to 24 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
3
States / cities
Denver, Colorado • Chicago, Illinois • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 1, 2024 · Synced Oct 21, 2026, 5:55 AM EDT
Active, not recruiting Phase 2 Interventional

Evaluating the Neurophysiologic and Clinical Effects of Single Dose Drug Challenge

NCT05418049
View directory record Official record
Conditions
Fragile X Syndrome
Interventions
Baclofen, Memantine, Roflumilast, Placebo
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years to 45 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 21, 2026, 5:55 AM EDT
Recruiting No phase listed Observational

Natural History of Noncirrhotic Portal Hypertension

NCT02417740
View directory record Official record
Conditions
Cystic Fibrosis, Immunologic Deficiency Syndrome, Turner Syndrome, Congenital Hepatic Fibrosis, Idiopathic Non-Cirrhotic Portal Hypertension
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
12 Years to 100 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 21, 2026, 5:55 AM EDT
Recruiting Phase 3 Interventional

A Trial of Setmelanotide in Patients With Congenital Hypothalamic Obesity (Sub-study of NCT05774756)

NCT06760546
View directory record Official record
Conditions
Hypothalamic Obesity, Multiple Pituitary Hormone Deficiency Genetic Form, Septo-Optic Dysplasia, Optic Nerve Hypoplasia, Childhood-onset Combined Pituitary Hormone Deficiency, Pituitary Stalk Interruption Syndrome
Interventions
Setmelanotide, Placebo
Drug
Lead sponsor
Rhythm Pharmaceuticals, Inc.
Industry
Eligibility
4 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
8
States / cities
Birmingham, Alabama • Aurora, Colorado • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Oct 21, 2026, 5:55 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Understanding Substance Use and Incident HIV/STI Among Young Black MSM

NCT02503618
View directory record Official record
Conditions
HIV, Substance Abuse
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
469 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
7
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 27, 2019 · Synced Oct 21, 2026, 5:55 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Sex-specific Adaptation to Resistance Training in Older Adults

NCT03440099
View directory record Official record
Conditions
Biological Aging
Interventions
Resistance exercise training
Other
Lead sponsor
University of Massachusetts, Amherst
Other
Eligibility
65 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Amherst, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Information Seeking About Pre-exposure Prophylaxis

NCT05728034
View directory record Official record
Conditions
Pre-exposure Prophylaxis
Interventions
Injectable PrEP information, Oral PrEP information
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
314 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 21, 2026, 5:55 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Optimizing PrEP Uptake and Adherence Among Male Sex Workers

NCT05736614
View directory record Official record
Conditions
Prevention
Interventions
Stage 1 Strength Based Case Management (SBCM) Condition, Stage 2 PrEPare for Work Intervention Condition
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Male only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
5
States / cities
Los Angeles, California • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing MSM in the Continuum of Care in Kazakhstan

NCT02786615
View directory record Official record
Conditions
HIV, Substance-Related Disorders
Interventions
Peer Unity
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Male only
Enrollment
987 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2022 · Synced Oct 21, 2026, 5:55 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating the Effectiveness of a Mobile HIV Prevention App to Increase HIV and Sexually Transmitted Infections (STI) Testing and PrEP Initiation Among Rural Men Who Have Sex With Men

NCT06205368
View directory record Official record
Conditions
HIV Infections, STI, HIV Pre-exposure Prophylaxis
Interventions
Combine mobile app, Motivational interview, HIV/STI testing
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
473 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Phase 2 Interventional Results available

Pilot Study to Characterize and Examine the Pharmacokinetics and Efficacy of Chronocort® in Adults With CAH

NCT01735617
View directory record Official record
Conditions
Endocrine Disease, Adrenal Insufficiency, Congenital Adrenal Hyperplasia
Interventions
Hydrocortisone Modified Release Capsules
Drug
Lead sponsor
Neurocrine UK Limited
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tailored Smoking Cessation Intervention in Promoting Sexual and Gender Minority Smokers to Quit Smoking

NCT03669120
View directory record Official record
Conditions
Cigarette Smoker, Current Every Day Smoker
Interventions
Informational Intervention, Telephone-Based Intervention
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Oct 21, 2026, 5:55 AM EDT
Completed No phase listed Observational

Human Papilloma Virus Infection in HIV-Positive Indian Men Who Have Sex With Men

NCT00919997
View directory record Official record
Conditions
Nonneoplastic Condition, Precancerous Condition
Interventions
DNA analysis, polymerase chain reaction, fluorescence activated cell sorting, questionnaire administration, study of socioeconomic and demographic variables, study of high risk factors
Genetic · Other · Procedure
Lead sponsor
AIDS Malignancy Consortium
Network
Eligibility
18 Years and older · Male only
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2015 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Inflammation in Methamphetamine and STIs (IMSTI)

NCT05162391
View directory record Official record
Conditions
Methamphetamine-dependence, Rectal Gonorrhea, Rectal Chlamydia
Interventions
Contingency Management
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 21, 2026, 5:55 AM EDT
Suspended Phase 3 Interventional Accepts healthy volunteers

The Effects of Sex Hormones and Alcohol on Sleep

NCT06143059
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Ethanol, Saline
Drug
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 45 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Phase 4 Interventional Results available

A Demonstration Project to Add Pre- or Post-exposure Prophylaxis to Combination HIV Prevention Services

NCT01781806
View directory record Official record
Conditions
HIV Prevention
Interventions
emtricitabine 200mg/tenofovir 300mg
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2018 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intervention for Substance Use and Sexual Risk Behavior in Homeless Youth

NCT03735784
View directory record Official record
Conditions
Substance Use, Unprotected Sex
Interventions
AWARE
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years to 25 Years
Enrollment
276 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
3
States / cities
Hollywood, California • Los Angeles, California • Venice Beach, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2021 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Phase 2 Interventional Results available

A Study of OV101 in Individuals With Fragile X Syndrome

NCT03697161
View directory record Official record
Conditions
Fragile X Syndrome (FXS)
Interventions
OV101 (gaboxadol)
Drug
Lead sponsor
Ovid Therapeutics Inc.
Industry
Eligibility
13 Years to 22 Years · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
6
States / cities
Sacramento, California • Aurora, Colorado • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2024 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Not applicable Interventional

Intervention Targeting Medication Adherence and Methamphetamine Use in HIV Positive Men (ACE)

NCT01122186
View directory record Official record
Conditions
HIV Medication Adherence, Methamphetamine Use, Sexual Risk, Poly-substance Use, HIV Infections
Interventions
Motivational Interviewing + Cognitive Behavioral Skills Training, Education Attention Control
Behavioral
Lead sponsor
Hunter College of City University of New York
Other
Eligibility
18 Years and older · Male only
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Oct 21, 2026, 5:55 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

International Ovarian & Testicular Stromal Tumor Registry

NCT01970696
View directory record Official record
Conditions
Ovarian Sex-cord Stromal Tumor, Testicular Stromal Tumors, Ovarian Small Cell Carcinoma
Interventions
Not listed
Lead sponsor
Children's Hospitals and Clinics of Minnesota
Other
Eligibility
0 Years to 100 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2030
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Navigating Insurance Coverage Expansion (NICE)

NCT04263441
View directory record Official record
Conditions
HIV/AIDS
Interventions
NICE Intervention
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older · Male only
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
3
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PrEP Point-of-Care Brief-Intervention for Adherence Among Young Men Who Have Sex With Men

NCT05353283
View directory record Official record
Conditions
Risk Reduction
Interventions
Motivational Interviewing Counselling, Point-of-care Urine Tenofovir Measurement
Behavioral · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2026 · Synced Oct 21, 2026, 5:55 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

WHC+ (Women's Health CoOp PLUS)

NCT01497405
View directory record Official record
Conditions
HIV, Sexual Risk, Sexually Transmitted Diseases, Substance Abuse, Violence, Victimization
Interventions
Test, Treat, Retain(TTR) + Women's Health CoOp (WHC), Test, Treat, Retain(TTR) only
Behavioral · Biological
Lead sponsor
RTI International
Other
Eligibility
15 Years to 55 Years · Female only
Enrollment
641 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 21, 2026, 5:55 AM EDT