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ClinicalTrials.gov public records Last synced Oct 19, 2026, 2:32 AM EDT

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Showing 25–48 of 110 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Sex Differences Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gender Difference in Response to Caffeine in Children and Adolescents

NCT02119416
View directory record Official record
Conditions
Healthy
Interventions
Placebo Administration first, Low Caffeine Administration first (1mg/kg body weight), High Caffeine Administration first (2mg/kg body weight)
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
8 Years to 17 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Oct 19, 2026, 2:32 AM EDT
Enrolling by invitation Not applicable Interventional

Genetics of Differences of Sex Development and Hypospadias

NCT03102554
View directory record Official record
Conditions
Disorders of Sex Development, Hypospadias
Interventions
Return of Genetic Results
Genetic
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 19, 2026, 2:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sex Differences in Reflex Responses to Intermittent Hypoxia

NCT03606434
View directory record Official record
Conditions
Healthy Participants
Interventions
Hypoxic exposure
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced Oct 19, 2026, 2:32 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Human Cerebral Blood Flow Regulation

NCT04265053
View directory record Official record
Conditions
Cerebral Arterial Diseases
Interventions
Indomethacin 25 MG/50 MG, Placebo - Lactose
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 19, 2026, 2:32 AM EDT
Completed Not applicable Interventional

Sex Differences in the effecTs of brEaking uP Sedentary Behavior on vascUlar Function in Type 2 Diabetes

NCT05838586
View directory record Official record
Conditions
Type 2 Diabetes, Cardiovascular Diseases
Interventions
prolonged SB, SB broken 1, SB broken 2
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
60 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Oct 19, 2026, 2:32 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Clinical Time and Temporal Dynamics Study (CLIN-TIME)

NCT07812831
View directory record Official record
Conditions
Longitudinal Studies, Prospective Studies, Biomarkers, Predictive Value of Tests, Telemedicine, Time of Death, Time Perception, Time Reaction, Time Efficiency, Time Management, Population, Population Groups, Epidemic Disease, Pandemic, Sex Behavior, Sex Characteristics, Sex Hormone, Cardio-pulmonary, Surgical, Drugs of Abuse, Health Risks, Clinical Outcomes
Interventions
No Study-Assigned Intervention
Other
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2076
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 19, 2026, 2:32 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study I

NCT02811510
View directory record Official record
Conditions
Cannabis
Interventions
Placebo, Dronabinol
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Oct 19, 2026, 2:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sex Differences, Cognitive Training & Emotion Processing

NCT03137654
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Affective Training, Neutral Training
Other
Lead sponsor
University of Florida
Other
Eligibility
25 Years to 65 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
5
States / cities
Gainesville, Florida • Multiple Locations, Florida
Source: ClinicalTrials.gov public record
Updated May 31, 2025 · Synced Oct 19, 2026, 2:32 AM EDT
Completed No phase listed Observational

Adherence & Health Outcome Differences Amongst HIV Infected Patients Prescribed HAART

NCT02322827
View directory record Official record
Conditions
Acquired Immunodeficiency Syndrome, Human Immunodeficiency Virus Type
Interventions
Not listed
Lead sponsor
Olayemi Osiyemi MD
Other
Eligibility
18 Years and older
Enrollment
445 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Oct 28, 2016 · Synced Oct 19, 2026, 2:32 AM EDT
Completed Not applicable Interventional

Sex Differences in Effectiveness of CBT on IBS Project 3

NCT05155631
View directory record Official record
Conditions
IBS - Irritable Bowel Syndrome
Interventions
COGNITIVE BEHAVIORAL THERAPY
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 55 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced Oct 19, 2026, 2:32 AM EDT
Completed Phase 2 Interventional

A Multicenter Phase II Double-Blind Exploratory Study to Evaluate Differences Among Various Zidovudine/Didanosine Regimens on Quantitative Measures of Viral Burden in Relatively Early HIV-1 Infection

NCT00000823
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
22
States / cities
Birmingham, Alabama • San Francisco, California • Denver, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Oct 19, 2026, 2:32 AM EDT
Terminated Not applicable Interventional

Insulin Differences Between African-American and Caucasian Female Adolescents With Polycystic Ovary Syndrome (PCOS)

NCT02052479
View directory record Official record
Conditions
Polycystic Ovary Syndrome, PCOS
Interventions
Frequently Sampled Intravenous Glucose Tolerance Test (FSIVGTT)
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years to 18 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Oct 19, 2026, 2:32 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

CB1 Receptor PET Imaging Reveals Gender Differences in PTSD

NCT02237677
View directory record Official record
Conditions
Post-traumatic Stress Disorder (PTSD)
Interventions
Positron emission tomography (PET) imaging
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2016 · Synced Oct 19, 2026, 2:32 AM EDT
Completed Not applicable Interventional

Differences in Blood Levels of Lopinavir/Ritonavir in HIV Infected Men and Women

NCT00102986
View directory record Official record
Conditions
HIV Infections
Interventions
Lopinavir/ritonavir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
28
States / cities
Los Angeles, California • Palo Alto, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2015 · Synced Oct 19, 2026, 2:32 AM 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 6, 2025 · Synced Oct 19, 2026, 2:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study to Determine Racial and Gender Differences in Platelet Aggregation

NCT00233428
View directory record Official record
Conditions
Platelet Aggregation
Interventions
Blood Draw
Procedure
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated May 12, 2015 · Synced Oct 19, 2026, 2:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sex Differences in Gene Expression in Human Adipose Tissue

NCT00677651
View directory record Official record
Conditions
Healthy, Obesity
Interventions
Adipose Biopsy, Blood sample, CT Scan, DEXA
Procedure · Radiation
Lead sponsor
University of California, San Diego
Other
Eligibility
20 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2009 · Synced Oct 19, 2026, 2:32 AM EDT
Recruiting Phase 2 Interventional

Endocannabinoids in Reward

NCT07815691
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 45 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 19, 2026, 2:32 AM EDT
Completed Phase 3 Interventional

Surgical Versus Nonsurgical Treatment for Spinal Stenosis

NCT00022776
View directory record Official record
Conditions
Spinal Stenosis
Interventions
Surgical decompression, Physical therapy
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
50 Years and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2007
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 27, 2013 · Synced Oct 19, 2026, 2:32 AM EDT
Completed No phase listed Observational

Gender Differences in Prevalence of Undiagnosed Diabetes in ACS

NCT00589459
View directory record Official record
Conditions
Pre-diabetes, Diabetes
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
30 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
2
States / cities
Bridgeport, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 30, 2023 · Synced Oct 19, 2026, 2:32 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans

NCT02781519
View directory record Official record
Conditions
Cannabis
Interventions
THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Oct 19, 2026, 2:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vessel Wall MR Imaging to Explore Sex-Differences of Intracranial Arterial Wall Changes After Suspected Stroke

NCT03990545
View directory record Official record
Conditions
Intracranial Atherosclerosis, Acute Stroke, Transient Ischemic Attack
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Oct 19, 2026, 2:32 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Hydromorphone Pharmacokinetic-Pharmacodynamic Fingerprint

NCT01123486
View directory record Official record
Conditions
Pain, Ventilatory Depression
Interventions
hydromorphone
Drug
Lead sponsor
Northwestern University
Other
Eligibility
21 Years to 30 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 22, 2015 · Synced Oct 19, 2026, 2:32 AM EDT
Recruiting Phase 1Phase 2 Interventional

SCORE Emerging Adult Cannabis Use & Stress

NCT05885542
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Cannabidiol oral solution, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 19, 2026, 2:32 AM EDT