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ClinicalTrials.gov public records Last synced May 21, 2026, 10:06 PM EDT

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

Showing 1–24 of 114 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Menstrual Cycle Clear all
Terminated No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
perception of rectal balloon distention
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2015
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced May 21, 2026, 10:06 PM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Breast Cancer
Interventions
conventional surgery
Procedure
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
2
States / cities
La Jolla, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 14, 2013 · Synced May 21, 2026, 10:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Menstrual Cycle
Interventions
Menstrual Cycle Timing, NRT Patch, Cessation Counseling
Other · Drug · Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 18, 2020 · Synced May 21, 2026, 10:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Dietary Habits, Food Preference
Interventions
Not listed
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 35 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced May 21, 2026, 10:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Premenstrual Syndrome
Interventions
Measures of calcium and bone turnover
Procedure
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2003
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 1, 2010 · Synced May 21, 2026, 10:06 PM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Heavy Menstrual Bleeding
Interventions
Volta System
Device
Lead sponsor
Spark Biomedical, Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced May 21, 2026, 10:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Epilepsy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 45 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 21, 2026, 10:06 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Endometriosis-related Pain
Interventions
Quinagolide 360 µg, Quinagolide 720 µg, Quinagolide 1080 µg, Placebo
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
43
States / cities
Mesa, Arizona • Little Rock, Arkansas • San Diego, California + 36 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2023 · Synced May 21, 2026, 10:06 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Inflammatory Response
Interventions
Eccentric leg extension
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced May 21, 2026, 10:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
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 18, 2014 · Synced May 21, 2026, 10:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers
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 May 21, 2026, 10:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
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 May 21, 2026, 10:06 PM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Breast Cancer, Breast Neoplasm
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced May 21, 2026, 10:06 PM EDT
Completed No phase listed Observational
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 16, 2019 · Synced May 21, 2026, 10:06 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
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 May 21, 2026, 10:06 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Ovulation (Follicular Rupture Yes/no), Menstrual Cycles (Total Length, Bleeding Days), Gonadotropin and Ovarian Hormone Levels (FSH, LH, E2, P)
Interventions
Celebrex, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 12, 2012 · Synced May 21, 2026, 10:06 PM EDT
Not yet recruiting Not applicable Interventional
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 May 21, 2026, 10:06 PM EDT
Active, not recruiting No phase listed Observational
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 Jan 6, 2026 · Synced May 21, 2026, 10:06 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Migraine
Interventions
91-day Levonorgestrel Oral Contraceptive, Placebo
Drug
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 34 Years · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
22
States / cities
La Mesa, California • San Diego, California • San Francisco, California + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2017 · Synced May 21, 2026, 10:06 PM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Metabolic Syndrome
Interventions
flutamide, ethinyl estradiol 35 mcg and drospirenone 3 mg, placebo
Drug · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 5, 2014 · Synced May 21, 2026, 10:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Hypogonadism, Precocious Puberty
Interventions
Not listed
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
7 Years to 35 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 1993
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 21, 2026, 10:06 PM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Pregnancy Related, Gender
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced May 21, 2026, 10:06 PM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Menstrual Cycles, Conception, Early Pregnancy Loss, Pregnancy Outcomes
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
21 Years to 42 Years · Female only
Enrollment
231 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced May 21, 2026, 10:06 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers
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 May 21, 2026, 10:06 PM EDT