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ClinicalTrials.gov public records Last synced Oct 26, 2026, 2:46 PM EDT

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Showing 145–168 of 753 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Estrogens Clear all
Recruiting Phase 1 Interventional

A Study of BTX-A51 in People With Advanced Solid Tumor and Breast Cancer

NCT04872166
View directory record Official record
Conditions
Advanced Solid Tumor, Metastatic Breast Cancer
Interventions
BTX-A51
Drug
Lead sponsor
Edgewood Oncology Inc.
Industry
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
6
States / cities
Lake Mary, Florida • Sarasota, Florida • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Oct 26, 2026, 2:46 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Gabapentin Versus Estrogen for the Treatment of Hot Flashes

NCT00276081
View directory record Official record
Conditions
Hot Flashes
Interventions
Gabapentin, Estrogen and placebo administration
Drug
Lead sponsor
University of Rochester
Other
Eligibility
35 Years to 60 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 28, 2006 · Synced Oct 26, 2026, 2:46 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Comparison of Fulvestrant (FASLODEX™) 250 mg and 500 mg in Postmenopausal Women With Oestrogen Receptor Positive Advanced Breast Cancer Progressing or Relapsing After Previous Endocrine Therapy.

NCT00099437
View directory record Official record
Conditions
Breast Cancer
Interventions
Fulvestrant
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
45 Years to 130 Years · Female only
Enrollment
736 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2026
U.S. locations
14
States / cities
Casa Grande, Arizona • Fountain Valley, California • New Britain, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 26, 2026, 2:46 PM EDT
Terminated No phase listed Observational

Insulin Resistance Before and During Pregnancy in Women With Polycystic Ovary Syndrome

NCT01475565
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Insulin Resistance, Insulin Sensitivity, Obesity, Pregnancy
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 14, 2015 · Synced Oct 26, 2026, 2:46 PM EDT
Recruiting Phase 1Phase 2 Interventional

Trial of 225Ac-DOTATATE (RYZ101) in Subjects With ER+, HER2-negative Unresectable or Metastatic Breast Cancer Expressing SSTRs.

NCT06590857
View directory record Official record
Conditions
Metastatic Breast Cancer, HER2-negative Breast Cancer, ER+ Breast Cancer, Advanced Breast Cancer, Metastatic Breast Cancer With Bone Involvement, Bone Metastases in Subjects With Advanced Breast Cancer, ER-Positive HER2-Negative Breast Cancer, Estrogen Receptor-positive Breast Cancer, Hormone-sensitive Metastatic Breast Cancer, Hormone-Sensitive Breast Cancer
Interventions
RYZ101, Standard of Care Endocrine Therapy
Drug
Lead sponsor
RayzeBio, Inc.
Industry
Eligibility
Not listed
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
25
States / cities
Phoenix, Arizona • Irvine, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 26, 2026, 2:46 PM EDT
Completed Phase 3 Interventional Results available

Study Comparing Lapatinib (GW572016) And Letrozole Versus Letrozole In Subjects With Advanced Or Metastatic Breast Cancer

NCT00073528
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Lapatinib, Letrozole, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,286 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2018
U.S. locations
84
States / cities
Tucson, Arizona • Hot Springs, Arkansas • Jonesboro, Arkansas + 78 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2021 · Synced Oct 26, 2026, 2:46 PM EDT
Completed Phase 2 Interventional Results available

Stellate Ganglion Block (SGB) For Women for Breast Cancer

NCT02513329
View directory record Official record
Conditions
Hot Flushes, Hot Flashes
Interventions
Bupivicaine, Saline
Drug
Lead sponsor
Northwestern University
Other
Eligibility
30 Years to 70 Years · Female only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Oct 26, 2026, 2:46 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Estrogen Diastolic Heart Failure

NCT02693002
View directory record Official record
Conditions
Menopause
Interventions
Estradiol/Norethindrone acetate, Placebo
Drug
Lead sponsor
Gretchen Wells
Other
Eligibility
45 Years to 55 Years · Female only
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 8, 2018 · Synced Oct 26, 2026, 2:46 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 2, 2011 · Synced Oct 26, 2026, 2:46 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

TranspulmonarY Estrogen Gradient and Estrogen Receptors (TYEGER) in PAH

NCT04280523
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
ESR-specific PET scan
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
13 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 3, 2025 · Synced Oct 26, 2026, 2:46 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Alzheimer's Disease Prevention Trial

NCT00000176
View directory record Official record
Conditions
Alzheimer Disease, Memory Disorders
Interventions
Estrogen, Estrogen and Progesterone
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
65 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2007
U.S. locations
22
States / cities
Birmingham, Alabama • Irvine, California • Stamford, Connecticut + 18 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2010 · Synced Oct 26, 2026, 2:46 PM EDT
Terminated Phase 2 Interventional Results available

A Study of Zilovertamab Vedotin (MK-2140/VLS-101) in Participants With Solid Tumors (MK-2140-002)

NCT04504916
View directory record Official record
Conditions
Triple-negative Breast Cancer, Non-squamous Non-small-cell Lung Cancer, NSCLC, Estrogen-receptor-positive Breast Cancer, Progesterone-receptor-positive Breast Cancer, Estrogen-receptor-negative Breast Cancer, ER-negative Breast Cancer, Progesterone-receptor Negative Breast Cancer, PR-negative Breast Cancer, HER2-negative Breast Cancer, ER-positive Breast Cancer, PR-positive Breast Cancer, Platinum-resistant Ovarian Cancer, Gastric Cancer, Pancreatic Cancer
Interventions
Zilovertamab vedotin
Drug
Lead sponsor
VelosBio Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
8
States / cities
Hollywood, Florida • Orlando, Florida • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 26, 2026, 2:46 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

GDC-0941 and Cisplatin in Treating Patients With Androgen Receptor-Negative Triple Negative Metastatic Breast Cancer

NCT01918306
View directory record Official record
Conditions
Estrogen Receptor Negative Breast Cancer, Human Epidermal Growth Factor 2 Negative Carcinoma of Breast, Triple Negative Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer, Triple-negative Breast Cancer
Interventions
cisplatin, laboratory biomarker analysis, pharmacological study, dynamic contrast-enhanced MRI, diffusion-weighted MRI & chemical exchange saturation transfer MRI, GDC -0941
Drug · Other · Procedure
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
16
States / cities
Birmingham, Alabama • San Francisco, California • Washington D.C., District of Columbia + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Oct 26, 2026, 2:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Varied Estrogen Doses on Endometrial Receptivity

NCT02458404
View directory record Official record
Conditions
Luteal Phase Defect
Interventions
Not listed
Lead sponsor
Reproductive Medicine Associates of New Jersey
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Basking Ridge, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 7, 2019 · Synced Oct 26, 2026, 2:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Methylselenocysteine Effects on Circadian Rhythm

NCT01611038
View directory record Official record
Conditions
Breast Cancer, Prostate Cancer
Interventions
Methylselenocysteine, Placebo
Dietary Supplement
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
21 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Oct 26, 2026, 2:46 PM EDT
Completed Phase 1 Interventional

A Study of GDC-0927 in Postmenopausal Women With Locally Advanced or Metastatic Estrogen Receptor Positive Breast Cancer

NCT02316509
View directory record Official record
Conditions
Breast Cancer
Interventions
GDC-0927
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
5
States / cities
Boston, Massachusetts • New York, New York • Germantown, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2020 · Synced Oct 26, 2026, 2:46 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 8, 2020 · Synced Oct 26, 2026, 2:46 PM EDT
Completed Phase 2 Interventional Results available

Carboplatin and Combination Chemotherapy With or Without Veliparib in Treating Patients With Stage IIB-IIIC Breast Cancer

NCT01818063
View directory record Official record
Conditions
Estrogen Receptor-negative Breast Cancer, HER2-negative Breast Cancer, Progesterone Receptor-negative Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Triple-negative Breast Cancer
Interventions
Paclitaxel, Carboplatin, Doxorubicin, Cyclophosphamide, Veliparib
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
3
States / cities
Bethesda, Maryland • Philadelphia, Pennsylvania • Reading, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Oct 26, 2026, 2:46 PM EDT
Terminated Phase 4 Interventional Results available

Ospemifene vs. Conjugated Estrogens in the Treatment of Postmenopausal Sexual Dysfunction

NCT03018106
View directory record Official record
Conditions
Sexual Dysfunction, Physiological
Interventions
Ospemifene, Vaginal conjugated estrogens
Drug
Lead sponsor
Emory University
Other
Eligibility
40 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
4
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 26, 2026, 2:46 PM EDT
Completed Phase 2 Interventional Results available

Estrogen Receptor Antagonist in Patients With Pulmonary Arterial Hypertension

NCT02911844
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Fulvestrant
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Oct 26, 2026, 2:46 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Vaginal Estrogen on Postpartum Atrophy, Perineal Pain, and Sexual Function

NCT03493126
View directory record Official record
Conditions
Vaginal Atrophy
Interventions
Estradiol, Placebo
Drug · Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Female only
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 22, 2021 · Synced Oct 26, 2026, 2:46 PM EDT
Withdrawn Phase 2 Interventional

COX Inhibition and Biomarkers During Neoadjuvant Chemoendocrine Therapy for ER+, HER2- Stage I-III Breast Cancer

NCT04038489
View directory record Official record
Conditions
Breast Cancer, Estrogen Receptor-positive Breast Cancer
Interventions
Aspirin, Tamoxifen Pill, Doxorubicin, Cyclophosphamide, Paclitaxel
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Oct 26, 2026, 2:46 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Study of GDC-0810 Single Agent or in Combination With Palbociclib and/or a Luteinizing Hormone-Releasing Hormone (LHRH) Agonist in Women With Locally Advanced or Metastatic Estrogen Receptor Positive Breast Cancer

NCT01823835
View directory record Official record
Conditions
Breast Cancer
Interventions
GDC-0810, LHRH Agonist, Palbociclib
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
8
States / cities
San Diego, California • Boston, Massachusetts • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 18, 2021 · Synced Oct 26, 2026, 2:46 PM EDT
Completed Phase 1 Interventional

Everolimus, Letrozole and Trastuzumab in HR- and HER2/Neu-positive Patients

NCT02152943
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Estrogen Receptor Positive, HER2/Neu Positive, Postmenopausal, Premenopausal, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Refractory Breast Carcinoma, Refractory Hormone Receptor Positive Breast Carcinoma, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Everolimus, Laboratory Biomarker Analysis, Letrozole, Trastuzumab
Drug · Other · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
5
States / cities
Houston, Texas • Nassau Bay, Texas • Sugar Land, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2020 · Synced Oct 26, 2026, 2:46 PM EDT