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Showing 1–24 of 475 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Estrogen therapy Clear all
Recruiting Early Phase 1 Interventional

FES Imaging to Optimize Tamoxifen for Metastatic Breast Cancer

NCT04174352
View directory record Official record
Conditions
ERα+ Breast Cancer, ESR1 Gene Mutation
Interventions
Tamoxifen, FES PET/CT
Drug · Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
19 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
2
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 5, 2026, 9:09 PM EDT
Completed Phase 2 Interventional

Treatment of Uterine Fibroids With CDB-2914, an Experimental Selective Progesterone Receptor Antagonist

NCT00044876
View directory record Official record
Conditions
Leiomyoma
Interventions
CDB-2914
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
33 Years to 50 Years · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 5, 2026, 9:09 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Kronos Early Estrogen Prevention Study (KEEPS)

NCT00154180
View directory record Official record
Conditions
Menopause, Arteriosclerosis
Interventions
Conjugated equine estrogens 0.45 mg/day, Transdermal estradiol, 50 mcg/day, Micronized progesterone, 200 mg/day x 12 d/month, CEE , progesterone, estradiol patch or placebo for each, CEE, progesterone, transdermal patch or the placebo
Drug
Lead sponsor
Kronos Longevity Research Institute
Other
Eligibility
42 Years to 58 Years · Female only
Enrollment
728 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
9
States / cities
Phoenix, Arizona • San Francisco, California • New Haven, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2009 · Synced Sep 5, 2026, 9:09 PM EDT
Completed Phase 4 Interventional

Estrogen and Perimenopausal Depression

NCT00229450
View directory record Official record
Conditions
Depressive Disorder, Major, Menopause
Interventions
Estrogen
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 24, 2020 · Synced Sep 5, 2026, 9:09 PM EDT
Recruiting Phase 2 Interventional

DATO-BASE: DATOpotamab-deruxtecan for Breast Cancer Brain metAstaSEs

NCT06176261
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female, Metastatic Triple-Negative Breast Carcinoma, ER Positive Breast Cancer, HER2-negative Breast Cancer, HER2 Negative Breast Carcinoma, ER-negative Breast Cancer
Interventions
Datopotamab Deruxtecan
Drug
Lead sponsor
Nancy Lin, MD
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
3
States / cities
Miami, Florida • Boston, Massachusetts • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 5, 2026, 9:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Estrogen for Treating Depression in Menopausal Women With Hot Flashes and Insomnia

NCT00227942
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders, Depression
Interventions
Estrogen Replacement Therapy, Zolpidem, placebo
Drug
Lead sponsor
Hadine Joffe, MD
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 25, 2014 · Synced Sep 5, 2026, 9:09 PM EDT
Recruiting Not applicable Interventional

Silicone Gel vs. Estrogen Vaginal Cream for the Management of Genitourinary Syndrome of Menopause

NCT05672901
View directory record Official record
Conditions
Genitourinary Syndrome of Menopause
Interventions
StrataMGT, Estrace 0.01% Vaginal Cream
Device · Drug
Lead sponsor
Stratpharma AG
Industry
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
3
States / cities
Laguna Hills, California • Miami, Florida • Johns Creek, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Sep 5, 2026, 9:09 PM EDT
Recruiting Phase 1 Interventional

An Investigational Study of BG-75202 Alone and in Combination With Other Therapeutic Agents in Adults With Advanced Solid Tumors

NCT07222267
View directory record Official record
Conditions
Breast Cancer, Advanced Solid Tumor
Interventions
BG-75202, CDK4 Inhibitor, Estrogen Receptor Antagonist, Aromatase Inhibitor
Drug
Lead sponsor
BeOne Medicines
Industry
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2037
U.S. locations
6
States / cities
Birmingham, Alabama • New Haven, Connecticut • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 5, 2026, 9:09 PM EDT
Completed Phase 3 Interventional Results available

S1202: Duloxetine Hydrochloride for Muscle/Joint Pain in Early-Stage Breast Cancer Receiving Hormone Therapy

NCT01598298
View directory record Official record
Conditions
Breast Cancer, Musculoskeletal Complications, Pain
Interventions
duloxetine hydrochloride, placebo
Drug · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
Up to 120 Years · Female only
Enrollment
299 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
714
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Jonesboro, Arkansas + 475 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2022 · Synced Sep 5, 2026, 9:09 PM EDT
Completed Phase 3 Interventional Results available

A Study of Palbociclib (PD-0332991) + Letrozole vs. Letrozole For 1st Line Treatment Of Postmenopausal Women With ER+/HER2- Advanced Breast Cancer (PALOMA-2)

NCT01740427
View directory record Official record
Conditions
Breast Neoplasms
Interventions
PD-0332991, Letrozole, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Enrollment
666 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
136
States / cities
Bellflower, California • Beverly Hills, California • Fullerton, California + 83 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2024 · Synced Sep 5, 2026, 9:09 PM EDT
Recruiting Phase 1 Interventional

Reversing InGuinal Hernia Trial: The Evaluation of Sex Hormones to Reverse Inguinal Hernias in Males

NCT07604272
View directory record Official record
Conditions
Inguinal Hernia Unilateral, Inguinal Hernia Bilateral, Inguinal Hernia Without Obstruction or Gangrene, Inguinal Hernia, Without Mention of Obstruction or Gangrene
Interventions
Fulvestrant, Anastrozole (ARIMIDEX™)
Drug
Lead sponsor
Northwestern University
Other
Eligibility
50 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 5, 2026, 9:09 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Effect of Sex Steroid Replacement Therapy in the Hypogonadism and Transgender Active-Duty Population

NCT06247267
View directory record Official record
Conditions
Hypogonadism, Gender Identity Dysphoria
Interventions
Fortesta, Estradiol
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Sep 5, 2026, 9:09 PM EDT
Terminated Phase 2 Interventional Results available

Estrogen for Triple Negative Breast Cancer

NCT01083641
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 8, 2019 · Synced Sep 5, 2026, 9:09 PM EDT
Completed Phase 2 Interventional Results available

Bicalutamide in Treating Patients With Metastatic Breast Cancer

NCT00468715
View directory record Official record
Conditions
Breast Cancer
Interventions
bicalutamide, diagnostic laboratory biomarker analysis, immunohistochemistry staining method
Drug · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years to 120 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2021
U.S. locations
8
States / cities
San Francisco, California • Washington D.C., District of Columbia • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2022 · Synced Sep 5, 2026, 9:09 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Ph 2 Elacestrant in ER Positive Uterine Sarcomas

NCT07467772
View directory record Official record
Conditions
Uterine Sarcoma, Uterine Leiomyosarcoma, Endometrial Stromal Sarcoma, ESS, Perivascular Epithelioid Cell Tumors, Uterine Adenosarcoma, Uterine PEComa, Estrogen Receptor Positive Tumor, uLMS
Interventions
Elacestrant
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 5, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Relationship Between the Menstrual Cycle and Heart Disease in Women

NCT01546454
View directory record Official record
Conditions
Coronary Heart Disease
Interventions
Ethinyl Estradiol-Levonorgestrel combination, leuprolide acetate, Estradiol, Progesterone
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 5, 2026, 9:09 PM EDT
Completed Phase 2 Interventional Results available

The Effect of Hormonal Add-Back Therapy in Adolescents Treated With a GnRH Agonist for Endometriosis: A Randomized Trial

NCT00474851
View directory record Official record
Conditions
Endometriosis
Interventions
Norethindrone acetate + estrogens, norethindrone acetate + placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years to 22 Years · Female only
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 29, 2015 · Synced Sep 5, 2026, 9:09 PM EDT
Completed Phase 2 Interventional

Impact of Endocrine Therapy and Abemaciclib on Host and Tumor Immune Cell Repertoire/Function in Advanced ER+/HER2- Breast Cancer

NCT04352777
View directory record Official record
Conditions
Metastatic Breast Cancer, Locally Advanced Breast Cancer, Hormone Receptor Positive Tumor
Interventions
Abemaciclib, Fulvestrant, Aromatase Inhibitors
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 19, 2025 · Synced Sep 5, 2026, 9:09 PM EDT
Completed No phase listed Observational Results available

Comparative Real World Tumor Response in Pre-menopausal Metastatic Breast Cancer Patients Treated With Palbociclib + Aromatase Inhibitor or Aromatase Inhibitor Alone

NCT05012644
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Palbociclib + aromatase inhibitor, Aromatase inhibitor
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 7, 2024 · Synced Sep 5, 2026, 9:09 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Study of PF-06873600 in People With Cancer

NCT03519178
View directory record Official record
Conditions
HR+ HER2- Metastatic Breast Cancer, Ovarian Cancer, Fallopian Tube Cancer, Primary Peritoneal Cancer, Triple Negative Breast Cancer, Male Breast Cancer
Interventions
PF-06873600, Endocrine Therapy 1, Endocrine Therapy 2
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
39
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Fayetteville, Arkansas + 22 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Sep 5, 2026, 9:09 PM EDT
Completed Phase 4 Interventional Results available

Preventing Recurrent UTI With Vaginal Estrogen

NCT05551949
View directory record Official record
Conditions
Recurrent Urinary Tract Infection, Urinary Tract Infections, Cystitis Recurrent
Interventions
Vaginal estradiol tablets
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
55 Years to 100 Years · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Sep 5, 2026, 9:09 PM EDT
Active, not recruiting Phase 2 Interventional

Neoadjuvant Endocrine Therapy, Palbociclib, Avelumab in Estrogen Receptor Positive Breast Cancer

NCT03573648
View directory record Official record
Conditions
Breast Cancer
Interventions
Avelumab, Endocrine therapy, Palbociclib
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
4
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Sep 5, 2026, 9:09 PM EDT
Recruiting Phase 1 Interventional

Study to Evaluate Biomarkers and Safety of Dapagliflozin Concomitant With Neoadjuvant Therapy

NCT05989347
View directory record Official record
Conditions
Breast Cancer, Hyperinsulinism, HER2-negative Breast Cancer
Interventions
Dapagliflozin 10mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 5, 2026, 9:09 PM EDT
Active, not recruiting Phase 2 Interventional

Clinical Trial Assessing the Safety of Neoadjuvant Palbociclib in Combination With Endocrine Therapy

NCT05069038
View directory record Official record
Conditions
Breast Cancer
Interventions
Palbociclib 125mg
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Female only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 5, 2026, 9:09 PM EDT