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ClinicalTrials.gov public records Last synced May 22, 2026, 3:47 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Menstrual Cycle Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Metformin, Oral Contraceptive Pill, Lifestyle Management Program, Quality of Life Questionnaire, Oral Glucose Tolerance Test, Blood work, Abdominal Ultra Sound, Dual-energy x-ray absorptiometry (DEXA scan), placebo
Drug · Behavioral · Procedure
Lead sponsor
University of Rochester
Other
Eligibility
12 Years to 18 Years · Female only
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 14, 2015 · Synced May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Intrauterine Devices, Copper, Metrorrhagia, Menstruation, Menstrual Cycle
Interventions
T380A Intrauterine Copper Contraceptive
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced May 22, 2026, 3:47 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Plasma Volume, Micronutrients, Menstrual Cycle
Interventions
Not listed
Lead sponsor
Alison Gernand
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
State College, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Von Willebrand Disease, Type 1, Heavy Menstrual Bleeding
Interventions
Volta System
Device
Lead sponsor
Five Liters, Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced May 22, 2026, 3:47 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Hormone Regulation
Interventions
Beyond Hormone, Placebo
Dietary Supplement · Other
Lead sponsor
Scale Media Inc
Industry
Eligibility
25 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced May 22, 2026, 3:47 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Menstrual Cycle, Ovulation, Menstruation
Interventions
Not listed
Lead sponsor
Ouraring Inc.
Industry
Eligibility
18 Years to 42 Years · Female only
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2024 · Synced May 22, 2026, 3:47 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Menstrual Cycle, Ovulation, Menstruation, Polycystic Ovary Syndrome, Infertility, Menopause, Reproduction, Reproductive Health
Interventions
Not listed
Lead sponsor
Apple Inc.
Industry
Eligibility
18 Years and older
Enrollment
500,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced May 22, 2026, 3:47 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Early Pregnancy
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
16 Years to 42 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
2
States / cities
Ann Arbor, Michigan • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
PMS, Menstrual Pain
Interventions
Elix Cycle Balance
Dietary Supplement
Lead sponsor
Zenchi, Inc.
Industry
Eligibility
18 Years to 36 Years · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Dec 31, 2024 · Synced May 22, 2026, 3:47 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
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 23, 2018 · Synced May 22, 2026, 3:47 AM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Menstrual Cycle and Uterine Bleeding Disorders
Interventions
Estradiol, Lysteda
Drug
Lead sponsor
Kay I Waud MD PhD
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 15, 2015 · Synced May 22, 2026, 3:47 AM EDT
Terminated Phase 2 Interventional
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 28, 2025 · Synced May 22, 2026, 3:47 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Body Image Disturbance
Interventions
EFP, LFP, ELP, LLP
Behavioral
Lead sponsor
Southern Illinois University Edwardsville
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
6 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 May 22, 2026, 3:47 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 21, 2023 · Synced May 22, 2026, 3:47 AM EDT
Terminated No phase listed Observational
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 May 22, 2026, 3:47 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
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 May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 22, 2025 · Synced May 22, 2026, 3:47 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Dysmenorrhea, Dysmenorrhea Primary, Visceral Pain, Menstrual Pain
Interventions
Visceral Pain Stimulus
Diagnostic Test
Lead sponsor
Azusa Pacific University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Azusa, California
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Menstrual Cycle Disorder, Menstrual Symptoms, Hormonal Imbalance
Interventions
MyFLO App
Dietary Supplement
Lead sponsor
FLO LIVING, LLC
Industry
Eligibility
22 Years to 42 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced May 22, 2026, 3:47 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Long COVID, Long Covid19, Post-COVID-19 Syndrome, Post Acute COVID-19 Syndrome, Dysautonomia, Anosmia, Dysgeusia, Brain Fog, Muscle Pain, Shortness of Breath, Dizziness, Fatigue Post Viral, Cough, Menstrual Cycle Abnormal, Pain
Interventions
Stellate Ganglion Block
Procedure
Lead sponsor
Metamorphosis LTD
Other
Eligibility
Not listed
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Cañon City, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced May 22, 2026, 3:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy, Premenstrual Dysphoric Disorder, Premenstrual Syndrome
Interventions
Mixhers HERTIME, Placebo
Dietary Supplement
Lead sponsor
Midwestern University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Glendale, Arizona
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced May 22, 2026, 3:47 AM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Premenstrual Syndrome, PMS, Premenstrual Dysphoric Disorder, PMDD, Depression
Interventions
Ethinyl Estradiol/Drospirenone, Placebo, CDB 2914
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 24, 2017 · Synced May 22, 2026, 3:47 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 26, 2020 · Synced May 22, 2026, 3:47 AM EDT