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ClinicalTrials.gov public records Last synced May 21, 2026, 11:50 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Gender Identity Clear all
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Transgenderism, Stigma, Social
Interventions
IDEAS (Identity Evolution and Sharing) Performance
Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 16, 2020 · Synced May 21, 2026, 11:50 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Gender Identity, Gender Dysphoria, Gender Identity Disorder in Adolescence and Adulthood
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
13 Years to 16 Years · Female only
Enrollment
19 participants
Timeline
2018 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 28, 2020 · Synced May 21, 2026, 11:50 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Gender Dysphoria
Interventions
fMRI
Diagnostic Test
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 40 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced May 21, 2026, 11:50 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Transgender Persons, Health Services for Transgender Persons, Gender Identity
Interventions
Interactive educational digital platform for transgender and gender-diverse (TGD) young adults and caregivers
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 29 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced May 21, 2026, 11:50 PM EDT
Suspended Not applicable Interventional
View directory record Official record
Conditions
Smoking Cessation
Interventions
SmokefreeSGM
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced May 21, 2026, 11:50 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sexual and Gender Minorities, Hospice, Alzheimer's Disease and Related Dementias
Interventions
SGM Communication Intervention
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 23, 2024 · Synced May 21, 2026, 11:50 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Gender Identity, Gender Dysphoria in Adolescents and Adults, Headache, Transgender
Interventions
Testosterone
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 20 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced May 21, 2026, 11:50 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sexual Orientation, Gender Identity
Interventions
Face-to-face and online LGBTQ+ training, On-line training
Behavioral
Lead sponsor
University of Maryland, College Park
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced May 21, 2026, 11:50 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
HIV+ YMSM
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 24 Years · Male only
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • Washington D.C., District of Columbia + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced May 21, 2026, 11:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Mental Health Wellness 1, Sexual Orientation, Gender Identity
Interventions
Critical Narrative Development
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 24 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 24, 2024 · Synced May 21, 2026, 11:50 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pain Catastrophizing, Pain, Chronic, Gender Identity
Interventions
Empowered Relief, Standard of Care
Behavioral · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 100 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced May 21, 2026, 11:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Use, Smoking, Tobacco Dependence, Tobacco Use Disorder, Tobacco Use Cessation, Tobacco Smoking, Smoking Cessation, Smoking, Cigarette, Smoking, Tobacco
Interventions
POP-6:, TSP-6:
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 25 Years
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 18, 2020 · Synced May 21, 2026, 11:50 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Hypogonadism, Gender Identity Dysphoria
Interventions
Fortesta, Estradiol
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced May 21, 2026, 11:50 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Transgender, Gender Identity, Vascular Stiffness, Vascular Inflammation, Insulin Sensitivity, Blood Pressure, Lipid Disorder, Appetitive Behavior
Interventions
No intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 99 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced May 21, 2026, 11:50 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Prejudice, Gender Identity, Knowledge, Attitudes, Practice
Interventions
Parent Support Program
Behavioral
Lead sponsor
Palo Alto University
Other
Eligibility
18 Years and older
Enrollment
570 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced May 21, 2026, 11:50 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Cancer Surveillance
Interventions
Patient SOGI Self-Report, SOGI Resource for Clinical Care Education (SORCE), Cancer Center Care Environment
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 16, 2025 · Synced May 21, 2026, 11:50 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Headache, Gender Identity
Interventions
Clinical estrogen therapy
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
9 Years to 20 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 3, 2025 · Synced May 21, 2026, 11:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Gender Identity
Interventions
TGNC Directed Advocacy Meetings, Facilitated Dialogues between TGNC Cohort and Healthcare Participants
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
14 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 13, 2024 · Synced May 21, 2026, 11:50 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Gender Identity Disorder of Adult, Voiding Disorders, Sexual Dysfunction
Interventions
Focus group interviews, Questionnaire packet
Other · Diagnostic Test
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older · Male only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced May 21, 2026, 11:50 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Use, Smoking, Tobacco Dependence, Tobacco Use Disorder, Tobacco Use Cessation, Tobacco Smoking, Smoking Cessation, Smoking, Cigarette, Smoking, Tobacco
Interventions
POP:, TSP:
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 25 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced May 21, 2026, 11:50 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Transgender, Gender Identity, Vascular Stiffness, Vascular Inflammation, Insulin Sensitivity, Blood Pressure, Lipid Disorder, Appetitive Behavior
Interventions
No intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced May 21, 2026, 11:50 PM EDT
Suspended Not applicable Interventional
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Culturally adapted interpersonal psychotherapy
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced May 21, 2026, 11:50 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Peer-oriented intervention, Group cognitive behavioral therapy (CBT)
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 74 Years
Enrollment
746 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 27, 2013 · Synced May 21, 2026, 11:50 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
HIV/AIDS, STI, Gender Dysphoria, Transsexualism, Gender Identity, Depression, Anxiety
Interventions
Medical gender affirmation
Other
Lead sponsor
Fenway Community Health
Other
Eligibility
18 Years and older
Enrollment
4,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 17, 2020 · Synced May 21, 2026, 11:50 PM EDT