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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Amenorrhea Clear all
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 Sep 24, 2026, 12:32 AM 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 10, 2021 · Synced Sep 24, 2026, 12:32 AM EDT
Completed Not applicable Interventional

CaREFREE Study (Calorie Restriction, Environment and Fitness: Reproductive Effects Evaluation Study)

NCT02858336
View directory record Official record
Conditions
Hormones
Interventions
NEA, DEA
Behavioral
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 28 Years · Female only
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 24, 2026, 12:32 AM 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 Sep 24, 2026, 12:32 AM EDT
Recruiting Phase 3 Interventional

Romosozumab as an Adjunct to Physiologic Estrogen Replacement in Functional Hypothalamic Amenorrhea

NCT06533865
View directory record Official record
Conditions
FHA (Functional Hypothalamic Amenorrhea)
Interventions
Romosozumab, Placebo, Zoledronic acid
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 30 Years · Female only
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Boston, Massachusetts • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Sep 24, 2026, 12:32 AM 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 Sep 24, 2026, 12:32 AM 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 Sep 24, 2026, 12:32 AM 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 6, 2010 · Synced Sep 24, 2026, 12:32 AM 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 Sep 24, 2026, 12:32 AM 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 21, 2026 · Synced Sep 24, 2026, 12:32 AM 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 1, 2025 · Synced Sep 24, 2026, 12:32 AM 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 Sep 24, 2026, 12:32 AM 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 Sep 24, 2026, 12:32 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Atherosclerosis, Immune Mediated Inflammation and Hypoestrogenemia in Young Women

NCT03018366
View directory record Official record
Conditions
Estrogen Deficiency, Cardiovascular Disease (CVD), Functional Hypothalamic Amenorrhea, Endothelial Dysfunction
Interventions
17beta Estradiol, Transdermal placebo patch, Progesterone, Placebo Pill
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 12, 2025 · Synced Sep 24, 2026, 12:32 AM EDT
Recruiting No phase listed Observational

Inherited Reproductive Disorders

NCT01500447
View directory record Official record
Conditions
Genetic Disorder, Infertility, Hypogonadism, Amenorrhea
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
6 Weeks to 120 Years
Enrollment
850 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 27, 2026 · Synced Sep 24, 2026, 12:32 AM 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 Sep 24, 2026, 12:32 AM EDT
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 Sep 24, 2026, 12:32 AM 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 5, 2017 · Synced Sep 24, 2026, 12:32 AM 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 Sep 24, 2026, 12:32 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Physical and Psychosocial Stress on Functional Hypothalamic Amenorrhea in Exercising Women

NCT05967819
View directory record Official record
Conditions
Amenorrhea Secondary
Interventions
Exercise Stress, Psychosocial Stress
Behavioral
Lead sponsor
University of Colorado, Colorado Springs
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Sep 24, 2026, 12:32 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

FHA: Characterization of Metabolic Status, Brain Circuitry, and Stress-Reactivity

NCT00453219
View directory record Official record
Conditions
Anovulation, FHA, Eumenorrhea, Polycystic Ovary Syndrome
Interventions
Screening evaluation, Meal Response, Blood Collection, Functional MRI, Endocrine Assessment
Procedure · Genetic
Lead sponsor
Emory University
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 29, 2013 · Synced Sep 24, 2026, 12:32 AM 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 Sep 24, 2026, 12:32 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Detailed Clinical, Biochemical and Genetic Characterization in Gonadotropin-releasing Hormone (GnRH) Deficiency Disorders

NCT01165619
View directory record Official record
Conditions
Idiopathic Hypogonadotropic Hypogonadism, Hypothalamic Amenorrhea
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 23, 2011 · Synced Sep 24, 2026, 12:32 AM EDT
Withdrawn Phase 3 Interventional Accepts healthy volunteers

Bone Mass Accrual in Adolescent Athletes

NCT00827151
View directory record Official record
Conditions
Amenorrhea, Bone Loss
Interventions
Estrogen
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 21 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 25, 2021 · Synced Sep 24, 2026, 12:32 AM EDT