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Showing 1–24 of 286 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Estrace (estrogen) Clear all
Completed Phase 2 Interventional Results available

Palbociclib and Letrozole or Fulvestrant in Treating Patients With Estrogen Receptor Positive, HER2 Negative Metastatic Breast Cancer

NCT03633331
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, HER2/Neu Negative, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Palbociclib, Letrozole, Fulvestrant, Questionnaire Administration, Quality-of-Life Assessment
Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
70 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
447
States / cities
Anchorage, Alaska • Kingman, Arizona • Arroyo Grande, California + 303 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 23, 2026, 12:09 AM 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 23, 2026, 12:09 AM EDT
Terminated Phase 2 Interventional Results available

Study Evaluating the Addition of Fulvestrant to Erlotinib in Stage IIIB/IV Non-Small Cell Lung Cancer

NCT00592007
View directory record Official record
Conditions
Non Small Cell Lung Carcinoma
Interventions
Fulvestrant and Erlotinib
Drug
Lead sponsor
Lyudmila Bazhenova, M.D.
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2017 · Synced Sep 23, 2026, 12:09 AM EDT
Completed No phase listed Observational

The Effects of Estrogen Withdrawal on Mood Symptoms in Women

NCT00060736
View directory record Official record
Conditions
Perimenopausal Depression, Post Menopausal, Healthy, Depression
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
45 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 15, 2019 · Synced Sep 23, 2026, 12:09 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Bioidentical 'Natural' Hormone Evaluation in Early Menopause

NCT00302731
View directory record Official record
Conditions
Menopause
Interventions
Estradiol , estriol , progesterone, estradiol, progesterone, estriol, progesterone, equine estrogens m-progesteroneacetate
Drug
Lead sponsor
Jeanne Drisko, MD, CNS, FACN
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Sep 23, 2026, 12:09 AM EDT
Terminated Phase 4 Interventional Results available

Postmenopausal Pessary Users: Estrogen Versus Trimosan

NCT03943823
View directory record Official record
Conditions
Vaginosis, Vaginosis, Bacterial, Vaginal Discharge
Interventions
Estrogen vaginal cream, Trimo-San vaginal gel
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
40 Years and older · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 7, 2023 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 2 Interventional Results available

Estrogen Receptor Beta and Mood

NCT03689543
View directory record Official record
Conditions
Perimenopause-Related Depression
Interventions
Estradiol, ER Beta Agonist, Placebo, Provera
Drug · Other
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
45 Years to 65 Years · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Sep 23, 2026, 12:09 AM EDT
Active, not recruiting Phase 1 Interventional

[177Lu]Lu-NeoB in Combination With Ribociclib and Fulvestrant in Participants With ER+, HER2- and GRPR+ Advanced Breast Cancer

NCT05870579
View directory record Official record
Conditions
Breast Cancer
Interventions
[68Ga]Ga-NeoB, [177Lu]Lu-NeoB, Ribociclib, Fulvestrant, Goserelin
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
2
States / cities
Los Angeles, California • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 2 Interventional

Effect of Biosynthetic Growth Hormone and/or Ethinyl Estradiol on Adult Height in Patients With Turner Syndrome

NCT00001221
View directory record Official record
Conditions
Gonadal Dysgenesis, Turner's Syndrome
Interventions
Growth Hormone (Humatrope)
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1987 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 23, 2026, 12:09 AM EDT
Recruiting Phase 3 Interventional

A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.

NCT07062965
View directory record Official record
Conditions
Breast Cancer
Interventions
PF-07248144, Fulvestrant, Everolimus, Exemestane
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
102
States / cities
Chandler, Arizona • Gilbert, Arizona • Glendale, Arizona + 85 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 2 Interventional Results available

Estradiol Levels in Patients Treated With Estring

NCT01923298
View directory record Official record
Conditions
Estrogen Levels Among Breast Cancer Patients
Interventions
Estradiol
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Sep 23, 2026, 12:09 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Role of Menopause in Thermoregulation

NCT06798571
View directory record Official record
Conditions
Menopause, Aging
Interventions
Elagolix Oral Tablet, Estradiol patch, cellulose placebo, placebo patch
Drug · Other
Lead sponsor
Penn State University
Other
Eligibility
42 Years to 64 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Role of Endogenous Estrogen in Growth-Hormone Regulation in Postmenopausal Women

NCT01186796
View directory record Official record
Conditions
Healthy
Interventions
Fulvestrant
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years to 80 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 26, 2015 · Synced Sep 23, 2026, 12:09 AM EDT
Terminated Phase 2 Interventional Results available

Estrogen in Postmenopausal Women With ER Positive Metastatic Breast Cancer After Failure of Sequential Endocrine Therapy

NCT00661531
View directory record Official record
Conditions
Breast Cancer, Cancer of the Breast, Neoplasms, Breast
Interventions
Estrace, Anastrozole
Drug
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Voorhees Township, New Jersey • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Postmenopausal Women Estrogen and Progesterone Infusion

NCT00455741
View directory record Official record
Conditions
Postmenopause, Aging
Interventions
Estradiol infusion, Progesterone infusion
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years to 80 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2018 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Estrogen Variability and Irritability During the Menopause Transition

NCT05388656
View directory record Official record
Conditions
Menopause, Irritable Mood
Interventions
Estradiol Patch, 0.1 mg/24 Hours Weekly Transdermal Film, Extended Release, Placebo, Progesterone 200 mg
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
45 Years to 59 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 2 Interventional

Study of the Efficacy of ESTRATEST® H.S. Tablets in Relieving Menopausal Symptoms in Estrogenized Postmenopausal Women

NCT00141570
View directory record Official record
Conditions
Menopause
Interventions
esterified estrogens 0.625 mg and methyltestosterone 1.25 mg
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
30 Years to 65 Years · Female only
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
77
States / cities
Huntsville, Alabama • Mobile, Alabama • Montgomery, Alabama + 74 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2015 · Synced Sep 23, 2026, 12:09 AM EDT
Active, not recruiting Phase 3 Interventional

Fulvestrant and/or Anastrozole in Treating Postmenopausal Patients With Stage II-III Breast Cancer Undergoing Surgery

NCT01953588
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, HER2-negative Breast Cancer, Invasive Ductal Breast Carcinoma, Invasive Lobular Breast Carcinoma, Recurrent Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
fulvestrant, anastrozole
Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
1,473 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
856
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 524 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 2 Interventional

Two Doses of Conjugated Estrogen (Premarin) in Patients With Androgen-Independent Prostate Cancer

NCT00134654
View directory record Official record
Conditions
Prostate Cancer
Interventions
Premarin
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 15, 2011 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 2 Interventional

POETRY: Study of Estrogen Replacement Therapy in Postmenopausal Women With Parkinson's Disease

NCT00234676
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Premarin ®
Drug
Lead sponsor
The Parkinson Study Group
Network
Eligibility
Up to 75 Years · Female only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
6
States / cities
Sunnyvale, California • Atlanta, Georgia • Indianapolis, Indiana + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2008 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 2 Interventional Results available

Research Investigation of Soy and Estrogen

NCT00997893
View directory record Official record
Conditions
Menopause, Hot Flashes
Interventions
Soy Phytoestrogen, Estradiol, Medroxyprogesterone Acetate (MPA), Soy Placebo, MPA Placebo
Dietary Supplement · Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 6, 2020 · Synced Sep 23, 2026, 12:09 AM EDT
Recruiting Phase 3 Interventional

Topical Estrogen: Brief Intervention to Improve Postoperative Experience for Transgender Men Undergoing Hysterectomy

NCT06969326
View directory record Official record
Conditions
Postoperative Bleeding, Gender Dysphoria, Hysterectomy
Interventions
Use of topical estradiol, No intervention
Drug · Other
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years and older · Female only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 12, 2025 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Phase 3 Interventional Results available

Three Drug Combination Therapy Versus Conventional Treatment of Children With Congenital Adrenal Hyperplasia

NCT00001521
View directory record Official record
Conditions
Congenital Adrenal Hyperplasia (CAH)
Interventions
Fludrocortisone, Hydrocortisone, Letrozole, Flutamide, Testolactone
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
2 Years to 18 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Sep 23, 2026, 12:09 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Estrogen Hormone Products

NCT05645406
View directory record Official record
Conditions
Menopause
Interventions
Divigel 0.1% Topical Gel, Compounded estradiol product
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 23, 2026, 12:09 AM EDT