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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Estrogen Deficiency Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Ovarian Hormone Suppression on Vascular and Cognitive Function

NCT03112226
View directory record Official record
Conditions
Cognitive Impairment, Estrogen Deficiency, Menopause, Endothelial Dysfunction, Vascular Stiffness
Interventions
GnRHant + E2, GnRHant + Placebo
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Aurora, Colorado • Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 6, 2021 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Phase 2Phase 3 Interventional

Arimidex Multicenter Trial in Growth Hormone (GH) Deficient Boys

NCT00133354
View directory record Official record
Conditions
Hypopituitarism
Interventions
Arimidex (Anastrozole), Placebo, Growth Hormone
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
11 Years to 18 Years · Male only
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2010
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 11, 2011 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Identifying Oxytocin Deficiency in Adults With Pituitary Disease

NCT06460948
View directory record Official record
Conditions
Arginine Vasopressin Deficiency, Oxytocin Deficiency
Interventions
Norethindrone Acetate-Ethinyl Estradiol
Drug
Lead sponsor
Elizabeth Austen Lawson
Other
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Phase 2 Interventional Results available

Clomiphene Citrate for the Treatment of Low Testosterone Associated With Chronic Opioid Pain Medication Administration

NCT01880086
View directory record Official record
Conditions
Hypogonadism, Opioid-Related Disorders, Male Infertility
Interventions
Clomiphene citrate, Placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Jul 21, 2026, 6:55 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Ovarian Hormone Regulation of Central and Cerebrovascular Hemodynamics (NoMEN Study)

NCT05057546
View directory record Official record
Conditions
Menopause, Estrogen Deficiency, Women, Aging
Interventions
GnRH antagonist
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Jul 21, 2026, 6:55 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Use of Infrared Photomodulation for Hormonal Balance (Joovvin' for Hormonal Health)

NCT04245527
View directory record Official record
Conditions
Testosterone Deficiency, Estrogen Deficiency
Interventions
Joovv Infrared Light Device
Device
Lead sponsor
ProofPilot
Industry
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sex Hormones and Atherosclerosis Prevention in Perimenopausal Women

NCT00608062
View directory record Official record
Conditions
Arterial Stiffening, Aging, Menopause
Interventions
GnRHant - Ganirelix acetate, Transdermal estradiol patch, Transdermal placebo patch
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 23, 2020 · Synced Jul 21, 2026, 6:55 PM 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, 6:55 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 5, 2017 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Phase 2 Interventional Results available

Selective Estrogen Receptor Modulators to Enhance the Efficacy of Viral Reactivation With Histone Deacetylase Inhibitors

NCT03382834
View directory record Official record
Conditions
HIV Infections
Interventions
Tamoxifen, Vorinostat, Antiretroviral drugs
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
14
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Jul 21, 2026, 6:55 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Understanding the Roles of Hormones in Adipocyte Remodeling Following Menopause

NCT03856268
View directory record Official record
Conditions
Menopause Surgical, Estrogen Deficiency, Adiposity, Follicle-Stimulating Hormone Deficiency, Hormone Deficiency
Interventions
'Surgical Menopause' Group, 'Drug-Induced Menopause' Group
Procedure · Drug
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 50 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Jul 21, 2026, 6:55 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Cardiometabolic Consequences of the Loss of Ovarian Function

NCT06264882
View directory record Official record
Conditions
Menopause, Estrogen Deficiency, Aging, Adiposity
Interventions
Degarelix, Transdermal Estradiol Patch, Transdermal Placebo Patch
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 45 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 19, 2024 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Timing Estrogen After MenoPaUSe

NCT01605071
View directory record Official record
Conditions
Insulin Resistance
Interventions
Estradiol
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
45 Years to 70 Years · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 28, 2021 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Prevention of Obesity in Women Via Estradiol Regulation

NCT00687739
View directory record Official record
Conditions
Obesity
Interventions
leuprolide acetate, Estradiol Transdermal, progressive resistance exercise training
Drug · Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 49 Years · Female only
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Jul 21, 2026, 6:55 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

The Role of Estrogen in Adipocyte Remodeling Following Surgical Menopause

NCT03631680
View directory record Official record
Conditions
Menopause Surgical, Estrogen Deficiency, Adiposity
Interventions
Bilateral Oophorectomy Surgery
Procedure
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Estrogen Deficiency on Energy Expenditure

NCT01846728
View directory record Official record
Conditions
Obesity
Interventions
Estrogen suppression
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 17, 2019 · Synced Jul 21, 2026, 6:55 PM EDT
Completed No phase listed Observational

Estrogen Deficiency and Cardiovascular Disease in Premenopausal Women

NCT00572858
View directory record Official record
Conditions
Estrogen Deficiency
Interventions
Blood test, Blood test, Ultrasound of neck arteries, Saliva test
Procedure · Genetic
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
Up to 55 Years · Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

T-IR- Study to Understand the Effects of Testosterone and Estrogen on the Body's Response to the Hormone Insulin

NCT01686828
View directory record Official record
Conditions
Insulin Resistance, Type 2 Diabetes Mellitus, Obesity, Androgen Deficiency, Metabolic Disease
Interventions
Acyline, Testosterone 1.62% gel, Letrozole, Placebo gel (for Testosterone 1.62% gel), Placebo pill (for Letrozole)
Drug
Lead sponsor
University of Washington
Other
Eligibility
25 Years to 55 Years · Male only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Primary Ovarian Insufficiency: Phenotype and Optimal Treatment

NCT03568708
View directory record Official record
Conditions
Primary Ovarian Insufficiency
Interventions
Transdermal Estrogen
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
11 Years to 18 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 24, 2024 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of Different Methods of Birth Control on the Drug Actions of Zidovudine (an Anti-HIV Drug) in HIV-Positive Women and to Compare Zidovudine Metabolism in Men and Women

NCT00000897
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
6
States / cities
San Francisco, California • Jacksonville, Florida • Albany, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 1, 2011 · Synced Jul 21, 2026, 6:55 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Sex Hormones and Atherosclerosis Prevention in Perimenopausal Women

NCT02042196
View directory record Official record
Conditions
Menopause, Aging
Interventions
KUVAN, Placebo, Cetrotide, Climara, Placebo transdermal patch
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Jul 21, 2026, 6:55 PM EDT
Recruiting Not applicable Interventional

Hemodynamics After Resistance Training

NCT07022340
View directory record Official record
Conditions
Perimenopause
Interventions
Resistance Training Intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Jul 21, 2026, 6:55 PM EDT