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ClinicalTrials.gov public records Last synced Jun 10, 2026, 10:34 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Sex Differences Clear all
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 20, 2021 · Synced Jun 10, 2026, 10:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

An Analysis of Potential Sex Differences in Knee Osteoarthritis

NCT01403207
View directory record Official record
Conditions
Degenerative Joint Disease, Osteoarthritis
Interventions
musculoskeletal
Other
Lead sponsor
Mary O'Connor
Other
Eligibility
65 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 13, 2014 · Synced Jun 10, 2026, 10:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sex Differences in E-cig Perception: Study 1

NCT05432830
View directory record Official record
Conditions
Nicotine Addiction, E-Cig Use, Cigarette Smoking, Sex Differences
Interventions
E-liquid Flavor 1, E-liquid Flavor 2, E-liquid Flavor 3
Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 44 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Jun 10, 2026, 10:34 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Sex Differences in E-Cigarette Perception

NCT07398976
View directory record Official record
Conditions
Nicotine Dependence, E-cigarette Use
Interventions
Nicotine Level 1 (0mg/ml), Nicotine Level 2 (36mg/ml), Nicotine Level 3 (59mg/ml)
Other
Lead sponsor
Yale University
Other
Eligibility
21 Years to 44 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Jun 10, 2026, 10:34 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Sex Differences in the Response to Abstinence From Alcohol.

NCT03827460
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Abstinence from alcohol, Usual drinking, Intravenous Alcohol
Behavioral · Drug
Lead sponsor
Indiana University
Other
Eligibility
21 Years to 35 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jun 10, 2026, 10:34 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 27, 2021 · Synced Jun 10, 2026, 10:34 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

Gender Differences in the Metabolic Effects of Uric Acid

NCT03076684
View directory record Official record
Conditions
Hyperuricemia
Interventions
low-fructose diet, Allopurinol
Other · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
40 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Jun 10, 2026, 10:34 AM EDT
Completed No phase listed Observational

Pharmacokinetic Evaluation of Changes in Nevirapine AUC Due to Differences in Weight

NCT01335360
View directory record Official record
Conditions
HIV Infection
Interventions
Nevirapine
Drug
Lead sponsor
Western University of Health Sciences
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 13, 2011 · Synced Jun 10, 2026, 10:34 AM EDT
Completed No phase listed Observational

Evaluation of Genetic Markers as Explanations for the Observed Differences in Disease Progression in HIV+ Youth

NCT00107029
View directory record Official record
Conditions
HIV Infection
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
10
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Jun 10, 2026, 10:34 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Sex Differences in Cold-Induced Changes in Maximal Fat Oxidation

NCT07297823
View directory record Official record
Conditions
Exercise
Interventions
Cold temperature, Room Temperature
Other
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jun 10, 2026, 10:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

HYPEROXIA Responses and ROS

NCT05958303
View directory record Official record
Conditions
Cerebrovascular Disorders
Interventions
Antioxidant Cocktail, Placebo
Dietary Supplement · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Jun 10, 2026, 10:34 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 27, 2022 · Synced Jun 10, 2026, 10:34 AM EDT
Completed Not applicable Interventional

Examining Genetic Differences Among People With 21-Hydroxylase Deficiency

NCT00542841
View directory record Official record
Conditions
21-hydroxylase Deficiency
Interventions
Hydrocortisone withdrawal
Procedure
Lead sponsor
Maria I. New
Other
Eligibility
18 Years to 50 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
New York, New York • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 13, 2015 · Synced Jun 10, 2026, 10:34 AM EDT
Completed Not applicable Interventional

The Emergency Department Stopping Elderly Accidents, Deaths and Injuries Program

NCT02167737
View directory record Official record
Conditions
Accidental Falls, Falling Injury, Other and Unspecified Fall on Same Level
Interventions
Bedside Decision Aid, Control Arm
Behavioral
Lead sponsor
Lehigh Valley Hospital
Other
Eligibility
65 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Bethlehem, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Jun 10, 2026, 10:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fatigability and Cognitive Demand With Aging

NCT05121272
View directory record Official record
Conditions
Fatigue
Interventions
cognitive task
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Norman, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Jun 10, 2026, 10:34 AM EDT
Completed Not applicable Interventional

Impact of Transcutaneous Vagal Nerve Stimulation on Stress Response in Major Depression

NCT04448327
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
active tVNS, Sham tVNS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
50 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jun 10, 2026, 10:34 AM EDT
Completed No phase listed Observational

Platelet Function on Abacavir and Tenofovir

NCT03081572
View directory record Official record
Conditions
Cardiovascular Diseases, Platelet Aggregation, Spontaneous, HIV/AIDS
Interventions
Platelet aggregation
Diagnostic Test
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Jun 10, 2026, 10:34 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 2, 2015 · Synced Jun 10, 2026, 10:34 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 11, 2015 · Synced Jun 10, 2026, 10:34 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Alcohol and Gender Effects on Stress Circuit Function

NCT00226694
View directory record Official record
Conditions
Alcoholism, Stress, Alcohol Dependence
Interventions
Citalopram, Placebo
Drug · Other
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 65 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2012
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2014 · Synced Jun 10, 2026, 10:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Mapping Brain Glutamate in Humans: Sex Differences in Cigarette Smokers

NCT05279053
View directory record Official record
Conditions
Sex, Cigarette Smoking
Interventions
Abstinence and Smoking
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Jun 10, 2026, 10:34 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 15, 2025 · Synced Jun 10, 2026, 10:34 AM EDT
Completed Not applicable Interventional Results available

Sex Differences, Hormones & Smoking Cessation

NCT01744574
View directory record Official record
Conditions
Tobacco Cessation
Interventions
Placebo, Progesterone, Smoking Cessation Behavioral Counseling
Other · Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 60 Years
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 11, 2019 · Synced Jun 10, 2026, 10:34 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 26, 2013 · Synced Jun 10, 2026, 10:34 AM EDT