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ClinicalTrials.gov public records Last synced Oct 20, 2026, 4:59 PM EDT

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Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Amenorrhea Clear all
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 20, 2026, 4:59 PM EDT
Completed Phase 3 Interventional Results available

LutrePulse Hypogonadotropic Hypogonadism

NCT01976728
View directory record Official record
Conditions
Primary Amenorrhea With Hypogonadotropic Hypogonadism
Interventions
Gonadorelin acetate subcutaneous (SC) 10 μg/pulse as a fixed dose, administered via. OmniPod pump, Gonadorelin acetate SC 15 μg/pulse as a fixed dose, administered via. OmniPod pump, Gonadorelin acetate SC 20 μg/pulse as a fixed dose, administered via. OmniPod pump, Placebo (SC 10, 15, or 20 μg/pulse as a fixed dose, administered via. OmniPod pump)
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
33
States / cities
Tempe, Arizona • San Francisco, California • Aurora, Colorado + 28 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2021 · Synced Oct 20, 2026, 4:59 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Fat Mediated Modulation of Reproductive and Endocrine Function in Young Athletes

NCT00946192
View directory record Official record
Conditions
Exercise-related Amenorrhea
Interventions
Transdermal 17Beta-estradiol, progesterone, Ethinyl Estradiol + Desogestrel, Sham Comparator
Drug · Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 21 Years · Female only
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 11, 2021 · Synced Oct 20, 2026, 4:59 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Estradiol and Fear Extinction in Anorexia Nervosa (AN)

NCT02792153
View directory record Official record
Conditions
Anorexia Nervosa
Interventions
Estradiol
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 24, 2018 · Synced Oct 20, 2026, 4:59 PM EDT
Completed Phase 4 Interventional Results available

Safety and Efficacy of PROMETRIUM® Capsules in Induction of Secretory Conversion

NCT00160199
View directory record Official record
Conditions
Secondary Amenorrhea
Interventions
PROMETRIUM® 300 mg, PROMETRIUM® 400 mg
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
42
States / cities
Mobile, Alabama • Montgomery, Alabama • Tucson, Arizona + 36 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2010 · Synced Oct 20, 2026, 4:59 PM EDT
Terminated Phase 4 Interventional Results available

Metformin for Ectopic Fat Deposition and Metabolic Markers in Polycystic Ovary Syndrome (PCOS)

NCT02500147
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Non-Alcoholic Fatty Liver Disease, Metabolic Syndrome
Interventions
Metformin, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
13 Years to 25 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Oct 20, 2026, 4:59 PM EDT
Active, not recruiting Phase 2 Interventional

The Role of Estrogen in the Neurobiology of Eating Disorders

NCT03740204
View directory record Official record
Conditions
Eating Disorders, Hypoestrogenemia
Interventions
17-β estradiol transdermal patches with cyclic progesterone, Placebo patch and pill
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 35 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 20, 2026, 4:59 PM EDT
Completed Not applicable Interventional

Rejuvenation of Premature Ovarian Failure With Stem Cells

NCT02696889
View directory record Official record
Conditions
Primary Ovarian Insufficiency, Low Ovarian Reserve, Premature Ovarian Failure
Interventions
ROSE-1 Protocol
Procedure
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 23, 2021 · Synced Oct 20, 2026, 4:59 PM EDT
Recruiting No phase listed Observational

The REgistry of Very Early Estrogen and AnovuLation

NCT06583408
View directory record Official record
Conditions
Hypothalamic Amenorrhea, Functional, Hypothalamic Amenorrhea, Functional Hypogonadotropic Hypogonadism
Interventions
Automated Self-Administered 24-hour Dietary Assessment Tool (ASA24), REVEAL Questionnaire
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 20, 2026, 4:59 PM EDT
Terminated Not applicable Interventional

Insulin Differences Between African-American and Caucasian Female Adolescents With Polycystic Ovary Syndrome (PCOS)

NCT02052479
View directory record Official record
Conditions
Polycystic Ovary Syndrome, PCOS
Interventions
Frequently Sampled Intravenous Glucose Tolerance Test (FSIVGTT)
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
12 Years to 18 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 7, 2019 · Synced Oct 20, 2026, 4:59 PM EDT
Suspended No phase listed Observational Accepts healthy volunteers

NAFLD in Adolescents and Young Adults With PCOS

NCT02506946
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Non-Alcoholic Fatty Liver Disease, Metabolic Syndrome
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
14 Years to 25 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 20, 2026, 4:59 PM EDT
Completed No phase listed Observational

Ovarian Follicle Function in Patients With Primary Ovarian Failure

NCT00001275
View directory record Official record
Conditions
Amenorrhea, Hypoaldosteronism, Hypogonadism, Infertility, Premature Ovarian Failure
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 42 Years · Female only
Enrollment
1,134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 20, 2026, 4:59 PM EDT
Recruiting No phase listed Observational

Observation of Environment and Reproductive-Endocrine Effects

NCT06280807
View directory record Official record
Conditions
Hypogonadism, Hypergonadism, Precocious Puberty, Late Puberty, Amenorrhea
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
8 Years to 99 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2039
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 20, 2026, 4:59 PM EDT
Terminated Not applicable Interventional

Effects of Dietary Nitrate in Women With Secondary Amenorrhea

NCT07019129
View directory record Official record
Conditions
Secondary Amenorrhea
Interventions
Beetroot Juice - Active, Placebo Beetroot Juice Without Nitrate
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 20, 2026, 4:59 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Intense Training on Ovarian Function and Bone Turnover

NCT02224976
View directory record Official record
Conditions
Amenorrhea
Interventions
Intensified Training
Behavioral
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 40 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jan 28, 2016 · Synced Oct 20, 2026, 4:59 PM EDT
Recruiting Phase 2 Interventional

Role of Estrogen on Skeletal Outcomes in FHA

NCT07010146
View directory record Official record
Conditions
Bone Strength, Bone Density, FHA (Functional Hypothalamic Amenorrhea)
Interventions
transdermal 17β-E2 with cyclic progestin, oral 17β-E2 with cyclic progestin, transdermal EE+LNG
Drug
Lead sponsor
University of Virginia
Other
Eligibility
14 Years to 30 Years · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
2
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 20, 2026, 4:59 PM EDT
Terminated Phase 3 Interventional

A Phase 3, Randomized, Three-Cycle, Double-Blind, Placebo-Controlled Study to Evaluate Induction of Secretory Conversion of Endometrium and Withdrawal Bleeding for Secondary Amenorrhea

NCT02019589
View directory record Official record
Conditions
Secondary Amenorrhea
Interventions
Progesterone, Placebo
Drug
Lead sponsor
TherapeuticsMD
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
22
States / cities
Chandler, Arizona • Phoenix, Arizona • Tucson, Arizona + 19 more
Source: ClinicalTrials.gov public record
Updated May 8, 2018 · Synced Oct 20, 2026, 4:59 PM EDT
Completed No phase listed Observational

Hormonal Regulation of Puberty and Fertility

NCT01511588
View directory record Official record
Conditions
Endocrine Disease, Infertility, Hypogonadism, Amenorrhea, Adolescents
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
14 Years to 100 Years
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
2
States / cities
Bethesda, Maryland • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 20, 2026, 4:59 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Treatment of Menorrhagia in Women With Thrombocytopenia Using Platelets or Platelets and Hormones

NCT00556400
View directory record Official record
Conditions
Aplastic Anemia, Menorrhagia, Amenorrhea
Interventions
Lo-Ovral Oral Contraceptive Pills, Placebo - sugar pill
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
12 Years to 55 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 19, 2013 · Synced Oct 20, 2026, 4:59 PM EDT
Recruiting Phase 2 Interventional

Kisspeptin Administration Subcutaneously to Patients With Hypothalamic Amenorrhea

NCT07224438
View directory record Official record
Conditions
Hypothalamic Amenorrhea, Hypogonadotropic Hypogonadism
Interventions
kisspeptin 112-121
Drug
Lead sponsor
Stephanie B. Seminara, MD
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 20, 2026, 4:59 PM EDT
Completed Not applicable Interventional

Pathogenesis of Functional Hypothalamic Amenorrhea

NCT01674426
View directory record Official record
Conditions
Disorder of Endocrine Ovary, Hypersecretion; Cortisol, Metabolic Disturbance, Stress, Psychological
Interventions
Cognitive behavior therapy
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2003
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 20, 2026, 4:59 PM EDT
Not listed Phase 2 Interventional

Pulsatile GnRH in Anovulatory Infertility

NCT00383656
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Amenorrhea, Kallmann's Syndrome
Interventions
GnRH, Pump
Drug · Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1989 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2017 · Synced Oct 20, 2026, 4:59 PM EDT
Completed No phase listed Observational

Reproductive Health Outcomes by Method of Breast Milk Feeding

NCT03568851
View directory record Official record
Conditions
Breast Feeding, Milk Expression, Breast, Amenorrhea, Postpartum
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
394 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2021 · Synced Oct 20, 2026, 4:59 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Androgen Excess as a Cause for Adipogenic Dysfunction in PCOS Women

NCT01889199
View directory record Official record
Conditions
Polycystic Ovary Syndrome (PCOS)
Interventions
Flutamide, Placebo
Drug · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 10, 2025 · Synced Oct 20, 2026, 4:59 PM EDT