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ClinicalTrials.gov public records Last synced Oct 22, 2026, 3:37 AM EDT

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Showing 1–24 of 120 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Menstrual Cycle Clear all
Withdrawn No phase listed Observational

Impact of Menstrual Cycle on Antiretroviral Pharmacokinetics in HIV-Infected Women

NCT01394133
View directory record Official record
Conditions
HIV Infected
Interventions
Tenofovir, Emtricitabine, Atazanavir, Ritonavir
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Oct 22, 2026, 3:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Menstrual Cycle Study

NCT05999123
View directory record Official record
Conditions
Menstruation, Ovulation
Interventions
Not listed
Lead sponsor
Fitbit LLC
Industry
Eligibility
18 Years to 42 Years · Female only
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 22, 2026, 3:37 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Timing of Energy Availability on Menstrual Cycle Function

NCT06471582
View directory record Official record
Conditions
Menstrual Irregularity
Interventions
Artificially Sweetened Carbohydrate Beverage, Artificially Sweetened Beverage
Dietary Supplement
Lead sponsor
University of Colorado, Colorado Springs
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 22, 2026, 3:37 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Safety and Efficacy of Recombinant Human Prolactin

NCT00438490
View directory record Official record
Conditions
Healthy
Interventions
Recombinant Human Prolactin
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 3, 2018 · Synced Oct 22, 2026, 3:37 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Body Clocks - Coordination of Peripheral and Central Oscillators

NCT07459764
View directory record Official record
Conditions
Circadian Dysregulation
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 22, 2026, 3:37 AM EDT
Terminated Phase 2 Interventional

Neurocognitive Mechanisms of Perimenstrual Estrogen Effects on Suicidality

NCT06191289
View directory record Official record
Conditions
Suicide
Interventions
Transdermal Estradiol, Placebo
Drug · Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Oct 22, 2026, 3:37 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Impact of Menstrual Cycle on Antiretroviral Pharmacokinetics in Healthy Women

NCT00869960
View directory record Official record
Conditions
Healthy
Interventions
tenofovir, emtricitabine, atazanavir, ritonavir
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 6, 2013 · Synced Oct 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Estradiol Effects on Alcohol Across the Menstrual Cycle

NCT04595682
View directory record Official record
Conditions
Alcohol Use, Unspecified
Interventions
Placebo, Alcohol
Drug
Lead sponsor
Mark Fillmore
Other
Eligibility
21 Years to 35 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Oct 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Single Group Study to Evaluate the Effects of a Topical Product on Cramps Associated With the Menstrual Cycle

NCT06939972
View directory record Official record
Conditions
Dysmenorrhea, Menstrual Cramps
Interventions
Topical Analgesic with Camphor and Menthol
Dietary Supplement
Lead sponsor
Rael
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Oct 22, 2026, 3:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Expression of IFN-epsilon in the Female Reproductive Tract

NCT02416154
View directory record Official record
Conditions
Interferon Expression in the Female Reproductive Tract
Interventions
Reproductive tract and blood sampling
Procedure
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 27, 2021 · Synced Oct 22, 2026, 3:37 AM EDT
Terminated No phase listed Observational

Change in Thrombin Generation Potential and Thromboelastography During the Menstrual Cycle

NCT00178542
View directory record Official record
Conditions
Von Willebrand Disease
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2013 · Synced Oct 22, 2026, 3:37 AM EDT
Completed Phase 2 Interventional

The Investigation of Vitamin D and Menstrual Cycles Trial, the inVitD Trial: A Phase II Clinical Trial

NCT05050916
View directory record Official record
Conditions
Reproductive Issues
Interventions
Vitamin D, Placebo
Dietary Supplement · Other
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
19 Years to 40 Years · Female only
Enrollment
998 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Detroit, Michigan • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 22, 2026, 3:37 AM EDT
Active, not recruiting No phase listed Observational

Menstrual Cycle Maintenance and Quality of Life: A Prospective Study

NCT00589654
View directory record Official record
Conditions
Amenorrhea, Menstrual Cycle, Breast Cancer
Interventions
Questionnaire
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
810 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 22, 2026, 3:37 AM EDT
Completed Phase 1 Interventional

Dutasteride to Treat Women With Menstrually Related Mood Disorders

NCT00082043
View directory record Official record
Conditions
Premenstrual Syndrome, PMS, Healthy, Depression
Interventions
Dutasteride, Placebo oral capsule
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
30 Years to 50 Years · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 22, 2026, 3:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Levels of Raltegravir in the Female Genital Tissue

NCT01327482
View directory record Official record
Conditions
HIV
Interventions
Raltegravir
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 19, 2014 · Synced Oct 22, 2026, 3:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Ultrasonographic Evaluation of Anovulatory Disorders in Lean and Overweight Women

NCT03306849
View directory record Official record
Conditions
Menstrual Cycle Abnormal, PCOS, Overweight, Obesity
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2024 · Synced Oct 22, 2026, 3:37 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Menstrual Cycle Effects on Smoking Cessation and Cue Reactivity

NCT00664755
View directory record Official record
Conditions
Nicotine Dependence
Interventions
varenicline, transdermal nicotine patch
Drug · Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 24, 2018 · Synced Oct 22, 2026, 3:37 AM EDT
Recruiting Not applicable Interventional

Moderate Aerobic Exercise for Managing Menstrual Cycle Symptoms

NCT07084714
View directory record Official record
Conditions
Premenstrual Syndrome, Menstrual Cycle, Menstrual Distress (Dysmenorrhea), Menstrual Bleeding, Heavy
Interventions
Moderate Aerobic Exercise
Behavioral
Lead sponsor
University of Colorado, Colorado Springs
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Oct 22, 2026, 3:37 AM EDT
Completed No phase listed Observational

Organochlorine Exposure in Relation to Timing of Natural Menopause

NCT00353171
View directory record Official record
Conditions
Menopause
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
Not listed
Enrollment
514 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2019
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 17, 2019 · Synced Oct 22, 2026, 3:37 AM EDT
Completed No phase listed Observational

Combined Hormone Replacement in Menstrually-Related Mood Disorders

NCT00005011
View directory record Official record
Conditions
Premenstrual Syndrome, Depression
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 22, 2026, 3:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Menstrual Effects On Mood Symptoms in Bipolar Disorder

NCT00472615
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 26, 2009 · Synced Oct 22, 2026, 3:37 AM EDT
Completed No phase listed Observational

Cycle and Ovulation Study Expansion

NCT05852951
View directory record Official record
Conditions
Menstruation
Interventions
Not listed
Lead sponsor
Apple Inc.
Industry
Eligibility
14 Years and older · Female only
Enrollment
698 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Oct 22, 2026, 3:37 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Allopregnanolone and Dynamic GABA-A Receptor Plasticity in Selective Serotonin Reuptake Inhibitor Responsive Premenstrual Dysphoric Disorder

NCT06704594
View directory record Official record
Conditions
Premenstrual Dysphoric Disorder (PMDD)
Interventions
sertraline 50 mg daily, Placebo Oral Tablet
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
288 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
2
States / cities
Baltimore, Maryland • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 22, 2026, 3:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Longitudinal Analysis of the Vaginal Microbiome

NCT05383326
View directory record Official record
Conditions
Vaginal Microbiome
Interventions
Not listed
Lead sponsor
Viome
Industry
Eligibility
18 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Bothell, Washington
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Oct 22, 2026, 3:37 AM EDT