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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Amenorrhea Clear all
Completed No phase listed Observational

Steroid Therapy in Autoimmune Premature Ovarian Failure

NCT00001306
View directory record Official record
Conditions
Autoimmune Disease, 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 39 Years · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 11:34 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Withdrawn Phase 1 Interventional Accepts healthy volunteers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 23, 2018 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Phase 1 Interventional

Kisspeptin Administration Subcutaneously to Patients With Reproductive Disorders

NCT05633966
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
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Jul 21, 2026, 11:34 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 6, 2019 · Synced Jul 21, 2026, 11:34 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 11, 2017 · Synced Jul 21, 2026, 11:34 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 Jul 1, 2026 · Synced Jul 21, 2026, 11:34 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 11, 2026 · Synced Jul 21, 2026, 11:34 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 9, 2025 · Synced Jul 21, 2026, 11:34 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Ovarian Morphology in Girls

NCT04424576
View directory record Official record
Conditions
Amenorrhea, Oligomenorrhea, Puberty
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
9 Years to 17 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
3
States / cities
Kansas City, Missouri • Ithaca, New York • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 11, 2024 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increased Calorie Intake to Reverse Energy Deficiency in Exercising Women: Impact on Bone and Menstrual Cyclicity

NCT00392873
View directory record Official record
Conditions
Menstrual Irregularity
Interventions
EAMD+Calories
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
233 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 7, 2017 · Synced Jul 21, 2026, 11:34 PM 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 Apr 30, 2026 · Synced Jul 21, 2026, 11:34 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 28, 2026 · Synced Jul 21, 2026, 11:34 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 7, 2018 · Synced Jul 21, 2026, 11:34 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate Menses Induction in Women Administered Proellex

NCT00881608
View directory record Official record
Conditions
Amenorrhea
Interventions
Placebo, Proellex
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2014 · Synced Jul 21, 2026, 11:34 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 17, 2021 · Synced Jul 21, 2026, 11:34 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 20, 2025 · Synced Jul 21, 2026, 11:34 PM 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 Jul 21, 2026, 11:34 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 2, 2021 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Determination of the Lowest, Safe and Effective Dose of Proellex

NCT01187043
View directory record Official record
Conditions
Amenorrhea
Interventions
Proellex
Drug
Lead sponsor
Repros Therapeutics Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jul 27, 2014 · Synced Jul 21, 2026, 11:34 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exercise Amenorrhea Stress and Bone Health in Adolescents

NCT00441402
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
14 Years to 21 Years · Female only
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 1, 2010 · Synced Jul 21, 2026, 11:34 PM EDT
Recruiting Phase 2 Interventional

A Study to Investigate Mibavademab in Adult Women With Functional Hypothalamic Amenorrhea

NCT07235917
View directory record Official record
Conditions
Functional Hypothalamic Amenorrhea (FHA)
Interventions
Mibavademab, Placebo
Drug · Other
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
10
States / cities
Phoenix, Arizona • West Hills, California • New Haven, Connecticut + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Jul 21, 2026, 11:34 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of Leptin for the Treatment of Hypothalamic Amenorrhea

NCT00130117
View directory record Official record
Conditions
Amenorrhea
Interventions
r-metHuLeptin, Oral Contraceptive Pills (OCPs), Placebo
Drug · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Jul 21, 2026, 11:34 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 1, 2017 · Synced Jul 21, 2026, 11:34 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 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 21, 2026, 11:34 PM EDT