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ClinicalTrials.gov public records Last synced Oct 30, 2026, 12:00 AM EDT

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Showing 433–456 of 754 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Estrogens Clear all
Completed Phase 4 Interventional Accepts healthy volunteers

Estrogen and the Urogenital Microbiome in GSM

NCT03336437
View directory record Official record
Conditions
Menopause
Interventions
Estradiol vaginal ring, Placebo vaginal ring
Drug · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
40 Years to 89 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 22, 2019 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Phase 2 Interventional

Biological and Clinical Effects of Palbociclib With Ovarian Suppression and Letrozole in the Neoadjuvant Treatment of Breast Cancer

NCT03628066
View directory record Official record
Conditions
Breast Cancer
Interventions
Letrozole, Palbociclib, Goserelin, Oncotype DX Breast Recurrence Score
Drug · Diagnostic Test
Lead sponsor
NSABP Foundation Inc
Network
Eligibility
18 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
11
States / cities
Fountain Valley, California • Laguna Hills, California • Long Beach, California + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2022 · Synced Oct 30, 2026, 12:00 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Carboplatin and Paclitaxel Albumin-Stabilized Nanoparticle Formulation Before Surgery in Treating Patients With Locally Advanced or Inflammatory Triple Negative Breast Cancer

NCT01525966
View directory record Official record
Conditions
Inflammatory Breast Cancer, Stage IIA Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Triple-negative Breast Cancer, Stage IIB Breast Cancer, Estrogen Receptor Negative, Progesterone Receptor Negative, HER2/Neu Negative
Interventions
carboplatin, paclitaxel albumin-stabilized nanoparticle formulation, laboratory biomarker analysis
Drug · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
19 Years and older · Female only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2026
U.S. locations
2
States / cities
Duarte, California • South Pasadena, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2026 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Not applicable Interventional

S1105: Text-Messaging Intervention to Reduce Early Discontinuation of AI Therapy in Women With Early-Stage Breast Cancer

NCT01515800
View directory record Official record
Conditions
Breast Cancer
Interventions
Text message reminder
Behavioral
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years to 120 Years · Female only
Enrollment
724 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
204
States / cities
Anchorage, Alaska • Fort Smith, Arkansas • Little Rock, Arkansas + 144 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2018 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Phase 2 Interventional Results available

Saracatinib in Treating Patients With Metastatic or Locally Advanced Breast Cancer That Cannot Be Removed By Surgery

NCT00559507
View directory record Official record
Conditions
Estrogen Receptor-negative Breast Cancer, Male Breast Cancer, Progesterone Receptor-negative Breast Cancer, Recurrent Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
saracatinib, laboratory biomarker analysis
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2014 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Evaluating Effects of Multiple-Dose Administration of Itraconazole on the Single Dose Pharmacokinetics of Conjugated Estrogens/Bazedoxifene in Non-Obese and Obese Postmenopausal Women

NCT02100553
View directory record Official record
Conditions
Healthy
Interventions
CE/BZA, Itraconazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
40 Years to 64 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
2
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Brown Seaweed as a Breast Cancer Preventive

NCT01204957
View directory record Official record
Conditions
Breast Cancer
Interventions
Seaweed and Soy Protein, Placebo and Soy Protein
Dietary Supplement
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 1999
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 6, 2015 · Synced Oct 30, 2026, 12:00 AM EDT
Terminated No phase listed Observational

Collecting, Analyzing, and Storing Samples From Patients With Metastatic, Triple Negative Breast Cancer Receiving Anti-cancer Therapy

NCT01957514
View directory record Official record
Conditions
Estrogen Receptor Negative, HER2/Neu Negative, Progesterone Receptor Negative, Stage IV Breast Cancer AJCC v6 and v7, Triple-Negative Breast Carcinoma
Interventions
Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
2
States / cities
Seattle, Washington • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Sep 30, 2021 · Synced Oct 30, 2026, 12:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Menstrual Cycle Hormones and Eating Behavior

NCT01407692
View directory record Official record
Conditions
Dietary Habits, Food Preference
Interventions
Not listed
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
18 Years to 35 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2017 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Phase 2Phase 3 Interventional Results available

ENAC Blockade and Arterial Stiffness

NCT03837626
View directory record Official record
Conditions
Overweight and Obesity, Insulin Resistance
Interventions
Placebo - Cap, Amiloride Pill
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
30 Years to 70 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Comparison of Blood Levels of Two Formulations of the Selective Hormone Receptor Modulator CDB-2914

NCT00041899
View directory record Official record
Conditions
Healthy
Interventions
CDB-2914, COB-2914
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 30, 2026, 12:00 AM EDT
Terminated Phase 1 Interventional

Lapatinib Ditosylate and Akt Inhibitor MK2206 in Treating Women With Metastatic Breast Cancer

NCT01281163
View directory record Official record
Conditions
Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Positive, Progesterone Receptor Negative, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IV Breast Cancer
Interventions
Akt Inhibitor MK2206, Laboratory Biomarker Analysis, Lapatinib Ditosylate, Pharmacogenomic Study, Pharmacological Study
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
5
States / cities
New Haven, Connecticut • Boston, Massachusetts • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2015 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Pharmacokinetic Evaluation of Bioidentical Compounded Estrogen Cream and Natural Progesterone

NCT00864214
View directory record Official record
Conditions
Menopause
Interventions
bioidentical hormone (Biest), bioidentical hormone (Vivelle-Dot)
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 16, 2012 · Synced Oct 30, 2026, 12:00 AM 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 8, 2018 · Synced Oct 30, 2026, 12:00 AM EDT
Terminated Phase 2 Interventional Results available

Entinostat and Anastrozole in Treating Postmenopausal Women With TNBC That Can Be Removed by Surgery

NCT01234532
View directory record Official record
Conditions
Estrogen Receptor-negative Breast Cancer, HER2-negative Breast Cancer, Progesterone Receptor-negative Breast Cancer, Stage I Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Triple-negative Breast Cancer
Interventions
entinostat, anastrozole, diagnostic laboratory biomarker analysis, therapeutic conventional surgery
Drug · Other · Procedure
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older · Female only
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 3, 2022 · Synced Oct 30, 2026, 12:00 AM EDT
Recruiting No phase listed Observational

Active Surveillance in Older Women With ER+ Breast Cancer

NCT07262138
View directory record Official record
Conditions
Early Stage Estrogen Receptor (ER) Positive Breast Cancer
Interventions
Active Surveillance
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
70 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Phase 3 Interventional Results available

MRI and Mammography Before Surgery in Patients With Stage I-II Breast Cancer

NCT01805076
View directory record Official record
Conditions
Estrogen Receptor-negative Breast Cancer, Progesterone Receptor-negative Breast Cancer, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Triple-negative Breast Cancer
Interventions
Breast surgery, Magnetic resonance imaging, Mammography
Procedure
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
319 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
179
States / cities
Gilbert, Arizona • Jonesboro, Arkansas • Antioch, California + 141 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 30, 2026, 12:00 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Patient Adherence to Premarin Versus Vagifem Therapy After Female Pelvic Reconstructive Surgery

NCT02860897
View directory record Official record
Conditions
Estrogen, Menopause, Pelvic Floor Disorders, Surgery
Interventions
Premarin, Vagifem
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 90 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 2, 2018 · Synced Oct 30, 2026, 12:00 AM 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 20, 2024 · Synced Oct 30, 2026, 12:00 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Prevention of Menstrual Migraines: Effects of Estrogen Add-back During the HFI in Patients Using Continuous Oral Contraceptives.

NCT01251263
View directory record Official record
Conditions
Menstrual Migraines, Menstrual Bleeding, Menstrual Spotting
Interventions
Estradiol or Placebo
Drug
Lead sponsor
Scott and White Hospital & Clinic
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Temple, Texas
Source: ClinicalTrials.gov public record
Updated Dec 1, 2010 · Synced Oct 30, 2026, 12:00 AM EDT
Recruiting Phase 1 Interventional

A Study of AND019 in Women With ER Positive HER2 Negative Advanced or Metastatic Breast Cancer

NCT05187832
View directory record Official record
Conditions
Advanced or Metastatic Breast Cancer
Interventions
AND019 PO QD
Drug
Lead sponsor
Kind Pharmaceuticals LLC
Industry
Eligibility
18 Years and older · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 30, 2026, 12:00 AM EDT
Active, not recruiting Phase 2 Interventional

Carboplatin and Paclitaxel With or Without Panitumumab in Treating Patients With Invasive Triple Negative Breast Cancer

NCT02876107
View directory record Official record
Conditions
Breast Carcinoma, Breast Lump, Edema, Erythema, Estrogen Receptor Negative, HER2/Neu Negative, Inflammatory Breast Carcinoma, Invasive Breast Carcinoma, Peau d'Orange, Progesterone Receptor Negative, Triple-Negative Breast Carcinoma
Interventions
Carboplatin, Laboratory Biomarker Analysis, Paclitaxel, Panitumumab
Drug · Other · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Phase 2 Interventional

Alzheimer's Disease and Aging: Therapeutic Potential of Estrogen

NCT00018343
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
estrogen
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
50 Years to 90 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2001
U.S. locations
1
States / cities
Lakewood, Washington
Source: ClinicalTrials.gov public record
Updated Jan 21, 2009 · Synced Oct 30, 2026, 12:00 AM EDT
Completed Phase 2 Interventional

Study of Letrozole Plus Tipifarnib or Placebo in the Treatment of Advanced Breast Cancer

NCT00050141
View directory record Official record
Conditions
Breast Cancer
Interventions
ZARNESTRA, tipifarnib, R115777
Drug
Lead sponsor
Johnson & Johnson Pharmaceutical Research & Development, L.L.C.
Industry
Eligibility
50 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
6
States / cities
Miami, Florida • Chicago, Illinois • Durham, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2013 · Synced Oct 30, 2026, 12:00 AM EDT