Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 20, 2026, 4:52 PM EDT

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Showing 1–24 of 889 matching trials from the live ClinicalTrials.gov search.
Conditions
Menopause, Postmenopause
Interventions
Estrogen
Drug
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
35 Years to 75 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Houston, Texas
Conditions
Breast Neoplasms
Interventions
Fulvestrant, Sapanisertib
Drug
Lead sponsor
Calithera Biosciences, Inc
Industry
Eligibility
18 Years and older · Female only
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
30
States / cities
Mobile, Alabama • Bakersfield, California • Fullerton, California + 26 more
Conditions
Healthy Volunteer
Interventions
PTI-428, Placebo, ethinyl estradiol and levonorgestrel
Drug · Other
Lead sponsor
Proteostasis Therapeutics, Inc.
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Overland Park, Kansas
Conditions
Endometriosis
Interventions
Estradiol/Norethindrone Acetate, Placebo for Elagolix, Elagolix, Placebo for E2/NETA
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
681 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
188
States / cities
Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 140 more
Conditions
Metastatic Breast Cancer, Hormone Receptor Positive
Interventions
Palbociclib, Tamoxifen, Fulvestrant
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
9
States / cities
San Francisco, California • Washington D.C., District of Columbia • Chicago, Illinois + 6 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sex Steroids, Sleep, and Metabolic Dysfunction in Women

NCT00805207
Conditions
Polycystic Ovary Syndrome (PCOS), Obstructive Sleep Apnea, Obesity
Interventions
Progesterone, testosterone, glucocorticoid, continuous positive airway pressure, Estrogen, Control
Drug · Device · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
HIV Infections
Interventions
Medroxyprogesterone acetate, Estradiol
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Rockville, Maryland
Conditions
Breast Cancer
Interventions
Pembrolizumab, Fulvestrant
Drug
Lead sponsor
Nancy Chan, MD
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
5
States / cities
Lansing, Michigan • Omaha, Nebraska • New Brunswick, New Jersey + 2 more
Completed No phase listed Observational Accepts healthy volunteers

The Women's Health Initiative Memory Study (The WHIMS Study)

NCT00685009
Conditions
Dementia Syndromes
Interventions
Estrogen hormone therapy, Estrogen plus progesterone hormone therapy, Placebo
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
65 Years to 79 Years · Female only
Enrollment
7,525 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 2008
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Conditions
Pregnancy Related, Pregnancy Complications, Pregnancy, High Risk
Interventions
Relugolix + Estradiol + Norethindrone Acetate
Drug
Lead sponsor
Sumitomo Pharma Switzerland GmbH
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Marlborough, Massachusetts
Conditions
Prostate Cancer
Interventions
estramustine phosphate sodium, paclitaxel
Drug
Lead sponsor
Eastern Cooperative Oncology Group
Network
Eligibility
18 Years to 120 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
27
States / cities
Chicago, Illinois • Decatur, Illinois • Peoria, Illinois + 18 more
Completed No phase listed Observational Accepts healthy volunteers

Neural Changes in the Aging Auditory System

NCT00264407
Conditions
Progesterone, Estrogens, Hearing, Psychoacoustics, Auditory Perceptual Disorders
Interventions
Hormone Replacement Therapy - HRT
Drug
Lead sponsor
University of Rochester
Other
Eligibility
60 Years to 86 Years · Female only
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2005
U.S. locations
2
States / cities
Rochester, New York
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Elenestinib in Healthy Adult Female Participants

NCT07388511
Conditions
Healthy Participants
Interventions
Elenestinib, Midazolam, Levonorgestrel/Ethinyl Estradiol
Drug
Lead sponsor
Blueprint Medicines Corporation
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Tempe, Arizona
Conditions
Healthy
Interventions
levonorgestrel/ethinyl estradiol
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Miami, Florida
Completed Not applicable Interventional Results available

Data Analyses for Ancillary WISE Femhrt Hormone Replacement Study

NCT00600106
Conditions
Myocardial Ischemia
Interventions
1/10 NA/EE, Placebo
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
Female only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Liposarcoma, Prostate Cancer, Breast Neoplasms, Adenocarcinoma of Lung
Interventions
PF-07220060, Letrozole, Fulvestrant, Midazolam, Enzalutamide
Drug · Combination Product
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
362 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
14
States / cities
Los Angeles, California • New Haven, Connecticut • Trumbull, Connecticut + 5 more
Conditions
Prostate Cancer
Interventions
fulvestrant
Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Buffalo, New York
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Safety and Efficacy of an Oral Contraceptive

NCT00932321
Conditions
Prevention of Pregnancy
Interventions
Norethindrone Acetate/Ethinyl Estradiol 24 Days, Norethindrone Acetate /Ethinyl Estradiol 21 Days
Drug
Lead sponsor
Warner Chilcott
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
938 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
34
States / cities
Birmingham, Alabama • Phoenix, Arizona • Chico, California + 28 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Estrogen Dosing in Turner Syndrome: Pharmacology and Metabolism

NCT00837616
Conditions
Turner Syndrome, Hypogonadism, Premature Ovarian Failure
Interventions
17 B estradiol orally, 17 B estradiol
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
13 Years to 20 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Jacksonville, Florida • Philadelphia, Pennsylvania
Conditions
Hormone Receptor-positive Breast Cancer, Hormone Receptor Positive HER-2 Negative Breast Cancer, Metastatic Breast Cancer
Interventions
EP0062, Elacestrant, Everolimus, Abemaciclib, Fulvestrant, Exemestane
Drug
Lead sponsor
Ellipses Pharma
Industry
Eligibility
18 Years and older · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
7
States / cities
New Haven, Connecticut • Tampa, Florida • Boston, Massachusetts + 4 more
Conditions
Metastatic Breast Cancer
Interventions
Fulvestrant, Tamoxifen, Palbociclib
Drug
Lead sponsor
Shannon Puhalla
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Prostate Cancer
Interventions
bicalutamide, docetaxel, doxorubicin hydrochloride, estramustine phosphate sodium, flutamide, ketoconazole, paclitaxel, releasing hormone agonist therapy, vinblastine sulfate
Drug
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years to 120 Years · Male only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
75
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 63 more
Terminated Phase 2 Interventional Results available

Estrogen for Triple Negative Breast Cancer

NCT01083641
Conditions
Female Breast Cancer
Interventions
Estradiol
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Adenocarcinoma of Endometrium
Interventions
Fulvestrant, Abemaciclib
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more