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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Menstrual Cycle Clear all
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Resistance Training on Substrate Metabolism During the Menstrual Cycle

NCT04024826
View directory record Official record
Conditions
Menstrual Cycle, Substrate Metabolism
Interventions
EFP, LFP, ELP, LLP
Behavioral
Lead sponsor
Southern Illinois University Edwardsville
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Edwardsville, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 3, 2021 · Synced Sep 17, 2026, 4:42 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effect of a Commonly Used Antibiotic, Doxycycline, in Women With Polycystic Ovarian Syndrome

NCT01788215
View directory record Official record
Conditions
Polycystic Ovarian Syndrome (PCOS), Irregular Menstrual Cycles, Androgen Excess
Interventions
doxycycline, Sugar Pill
Drug · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 12, 2016 · Synced Sep 17, 2026, 4:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Creatine Supplementation and Resistance Training in Premenopausal Females

NCT05745870
View directory record Official record
Conditions
Health Behavior
Interventions
Creatine Monohydrate Supplementation
Dietary Supplement
Lead sponsor
University of Idaho
Other
Eligibility
18 Years to 22 Years · Female only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Moscow, Idaho
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Sep 17, 2026, 4:42 AM EDT
Active, not recruiting No phase listed Observational

Investigating the Impact of Sex Hormones in Multiple Sclerosis

NCT07081594
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
Milap Sandhu
Other
Eligibility
18 Years and older · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 17, 2026, 4:42 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 19, 2024 · Synced Sep 17, 2026, 4:42 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 5, 2013 · Synced Sep 17, 2026, 4:42 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Menstrual Cycle TMS Plasticity Pilot

NCT07180654
View directory record Official record
Conditions
Cortical Activation
Interventions
transcranial magnetic stimulation
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
20 Years to 40 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 17, 2026, 4:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hormonal Causes of Menstrual-Related Mood Disorders

NCT00100360
View directory record Official record
Conditions
Mood Disorders, Depression
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 17, 2026, 4:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Women's Post Traumatic Stress Disorder (PTSD) Research Study

NCT01304940
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 55 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 10, 2024 · Synced Sep 17, 2026, 4:42 AM EDT
Recruiting Not applicable Interventional

Impact of MEnstruation on Glycemic Response and Exercise In Females With Type 1 Diabetes

NCT06297980
View directory record Official record
Conditions
Type 1 Diabetes, Hypoglycemia, Hyperglycaemia Due to Type 1 Diabetes Mellitus, Menstruation Disturbances
Interventions
Personalized modifications to treatment to address menstrual cycle effects on glycemia
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 17, 2026, 4:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Seed Cycling Capsules on Premenstrual Syndrome Symptoms and Menstrual Cycle Length

NCT07655466
View directory record Official record
Conditions
Premenstrual Syndrome, Menstrual Symptoms
Interventions
Two Moons Seed Cycling Capsules
Dietary Supplement
Lead sponsor
Superlune Inc. d/b/a Two Moons Health
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 17, 2026, 4:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Association Between the Menstrual Cycle and Weight Loss

NCT01119976
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Reduced calorie diet and exercise plan, Different reduced calorie diet and exercise plan
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 6, 2012 · Synced Sep 17, 2026, 4:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

HSG and Tubal Patency Study

NCT02146248
View directory record Official record
Conditions
Tubal Patency
Interventions
combined oral contraceptive, DepoProvera
Drug
Lead sponsor
Jeffrey Jensen
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 17, 2026, 4:42 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 25, 2026 · Synced Sep 17, 2026, 4:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nutritional and Metabolic Correlates of Ovarian Morphology in Women With Polycystic Ovary Syndrome

NCT01927471
View directory record Official record
Conditions
Polycystic Ovary Syndrome (PCOS), Menstrual Irregularity
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 48 Years · Female only
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
3
States / cities
Ithaca, New York • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Sep 17, 2026, 4:42 AM EDT
Completed Phase 3 Interventional Results available

Cinnamon Extract on Menstrual Cycles in PolyCystic Ovary Syndrome (PCOS)

NCT01483118
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Cinnamon Extract, Placebo
Drug · Dietary Supplement
Lead sponsor
Rogerio A. Lobo
Other
Eligibility
18 Years to 38 Years · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 2, 2017 · Synced Sep 17, 2026, 4:42 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 16, 2019 · Synced Sep 17, 2026, 4:42 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Identification and Validation of Epigenetic Biomarkers of PMDD

NCT06771583
View directory record Official record
Conditions
PMDD, Premenstrual Dysphoric Disorder (PMDD), Premenstrual Syndrome-PMS, Premenstrual Syndrome, Menstrual Cycle
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 17, 2026, 4:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating the Effect of a Supplement on Symptoms of Hormonal Imbalance.

NCT06535698
View directory record Official record
Conditions
Women's Health
Interventions
Perelel Health Hormonal Balance Support
Dietary Supplement
Lead sponsor
Perelel Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Aug 1, 2024 · Synced Sep 17, 2026, 4:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Continuous Administration of a Monophasic Oral Contraceptive on Bleeding Days and Endometrial and Ovarian Function

NCT00128726
View directory record Official record
Conditions
Menstrual Cycle, Healthy
Interventions
Not listed
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2006
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 20, 2012 · Synced Sep 17, 2026, 4:42 AM EDT
Not yet recruiting Not applicable Interventional

Female Concussion Head Cooling

NCT07303933
View directory record Official record
Conditions
Concussion (Diagnosis), Concussion Post Syndrome, Concussion, Mild
Interventions
Brain Cooling
Device
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 27 Years · Female only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Sep 17, 2026, 4:42 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 5, 2013 · Synced Sep 17, 2026, 4:42 AM EDT
Completed No phase listed Observational

The Influence of the Menstrual Cycle on Lithium and Sertraline Blood Levels

NCT01385709
View directory record Official record
Conditions
Bipolar Affective Disorders, Cyclothymic Disorder, Schizoaffective Disorder, Major Depressive Disorder, Dysthymic Disorder, Obsessive-Compulsive Disorder, Panic Disorder, Posttraumatic Stress Disorder, Premenstrual Dysphoric Disorder, Social Anxiety Disorder
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 19, 2017 · Synced Sep 17, 2026, 4:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Ovarian Ultrasonography for the Clinical Evaluation of Polycystic Ovary Syndrome

NCT03547453
View directory record Official record
Conditions
Polycystic Ovary Syndrome (PCOS), Menstrual Irregularity, Overweight and Obesity
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
18 Years and older · Female only
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced Sep 17, 2026, 4:42 AM EDT