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Showing 1–24 of 55 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Amenorrhea Clear all
Withdrawn No phase listed Observational Accepts healthy volunteers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 Jul 21, 2026, 11:27 AM EDT
Active, not recruiting No phase listed Observational

Hypothalamic Amenorrhea as a Fertility Status Marker for Cardiovascular Health (ARCH)

NCT05629377
View directory record Official record
Conditions
Hypothalamic Amenorrhea
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 21, 2026, 11:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Ovarian Morphology and Function in Overweight Women During Weight Loss

NCT01785719
View directory record Official record
Conditions
Weight Loss, Anovulation, Amenorrhea, Infertility
Interventions
Commercial Weight Loss Program
Behavioral
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2023
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Jul 21, 2026, 11:27 AM EDT
Not listed Not applicable Interventional

Baselines in Reproductive Disorders

NCT00456274
View directory record Official record
Conditions
Amenorrhea, Hypogonadotropic Hypogonadism, Kallmann's Syndrome
Interventions
Frequent baseline blood sampling
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 3, 2014 · Synced Jul 21, 2026, 11:27 AM 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 27, 2016 · Synced Jul 21, 2026, 11:27 AM 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 16, 2026 · Synced Jul 21, 2026, 11:27 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 Jul 21, 2026, 11:27 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Effects of Anorexia Nervosa on Bone Mass in Adolescents

NCT00088153
View directory record Official record
Conditions
Anorexia Nervosa
Interventions
Physiologic Estrogen/progesterone, Placebo
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Years to 18 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Jul 21, 2026, 11:27 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 Jul 21, 2026, 11:27 AM 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 22, 2021 · Synced Jul 21, 2026, 11:27 AM EDT
Terminated Phase 4 Interventional Results available

The Luveris In Vitro Fertilization Trial

NCT00889512
View directory record Official record
Conditions
Infertility, Hypothalamic Amenorrhea, Hyperprolactinemia
Interventions
Luveris fixed dose, Luveris increasing dose
Drug
Lead sponsor
University Reproductive Associates
Other
Eligibility
18 Years to 38 Years · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Hasbrouck Heights, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 6, 2018 · Synced Jul 21, 2026, 11:27 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 Jul 21, 2026, 11:27 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 Jul 21, 2026, 11:27 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 Jul 21, 2026, 11:27 AM EDT
Completed Phase 2 Interventional Results available

GnRH Analogue for Ovarian Function Preservation in Hematopoietic Stem Cell Transplantation Patients

NCT00429494
View directory record Official record
Conditions
Amenorrhea, Premature Ovarian Failure, Ovarian Function Insufficiency
Interventions
Leuprolide Acetate, Questionnaire, Hematopoietic Stem Cell Transplantation
Drug · Behavioral · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Up to 40 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 8, 2013 · Synced Jul 21, 2026, 11:27 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Ultrasound Characterization of Ovarian Follicle Dynamics in Women With Amenorrhea

NCT01927432
View directory record Official record
Conditions
Oligomenorrhea, Amenorrhea, Polycystic Ovary Syndrome (PCOS)
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2021
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Feb 8, 2024 · Synced Jul 21, 2026, 11:27 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 Jul 21, 2026, 11:27 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 Dec 22, 2025 · Synced Jul 21, 2026, 11:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Gynecological Age on LH Sensitivity to Energy Availability

NCT00260286
View directory record Official record
Conditions
Anovulation, Amenorrhea, Infertility, Starvation
Interventions
Energy availability
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years to 34 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 4, 2005 · Synced Jul 21, 2026, 11:27 AM 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 12, 2026 · Synced Jul 21, 2026, 11:27 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 Jul 16, 2026 · Synced Jul 21, 2026, 11:27 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Exercise and Yogurt on Bone Mineral Density and Immunological Factors in Human Milk: The MEEMA Study

NCT03732261
View directory record Official record
Conditions
Lactational Amenorrhea, Body Weight Changes, Bone Loss
Interventions
Exercise and dietary
Other
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 40 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Greensboro, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Jul 21, 2026, 11:27 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

A Study to Measure Pharmacokinetic (PK) Concentrations of Gonadotropin-Releasing Hormone Delivered by the OmniPod Pump

NCT07152730
View directory record Official record
Conditions
Amenorrhea, Fertility, Infertility
Interventions
Lutrepulse
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Jul 21, 2026, 11:27 AM EDT
Completed Phase 2 Interventional

A Trial to Evaluate DR-2021 in Women With Secondary Amenorrhea

NCT00196391
View directory record Official record
Conditions
Amenorrhea
Interventions
DR-2021a, DR-2021b, DR-2021c, DR-2021d, DR-2021e, Placebo
Drug · Other
Lead sponsor
Duramed Research
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
27
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2014 · Synced Jul 21, 2026, 11:27 AM EDT