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ClinicalTrials.gov public records Last synced Oct 28, 2026, 7:37 AM EDT

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Showing 865–887 of 887 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Estring Clear all
Completed Phase 3 Interventional Accepts healthy volunteers

Safety and Efficacy of a Contraceptive Vaginal Ring Delivering Nestorone® and Ethinyl Estradiol

NCT00263341
View directory record Official record
Conditions
Contraception
Interventions
NES/EE CVR
Combination Product
Lead sponsor
Population Council
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
1,135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2014
U.S. locations
5
States / cities
Los Angeles, California • San Francisco, California • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 28, 2026, 7:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

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

NCT00685009
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Oct 28, 2026, 7:37 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 10, 2022 · Synced Oct 28, 2026, 7:37 AM EDT
Completed Phase 2 Interventional Results available

Bevacizumab Given With Either Anastrozole or Fulvestrant With Trastuzumab for Postmenopausal Metastatic Breast Cancer

NCT00405938
View directory record Official record
Conditions
Breast Cancer, Breast Neoplasms
Interventions
Bevacizumab, Anastrozole, Fulvestrant
Drug
Lead sponsor
SCRI Development Innovations, LLC
Other
Eligibility
18 Years and older · Female only
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
11
States / cities
Fort Myers, Florida • Jacksonville, Florida • Orlando, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Oct 28, 2026, 7:37 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Randomized, Open Label, Clinical Study of the Targeted Therapy, Palbociclib, to Treat Metastatic Breast Cancer

NCT02947685
View directory record Official record
Conditions
HER-2 Positive Breast Cancer, Estrogen Receptor Positive Breast Cancer
Interventions
palbociclib, trastuzumab, pertuzumab, letrozole, Anastrozole, Exemestane, Fulvestrant
Drug
Lead sponsor
Alliance Foundation Trials, LLC.
Other
Eligibility
18 Years and older
Enrollment
518 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2030
U.S. locations
35
States / cities
San Francisco, California • Washington D.C., District of Columbia • Clearwater, Florida + 30 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 28, 2026, 7:37 AM EDT
Completed Phase 2 Interventional Results available

Alternative Dosing Schedule of Palbociclib in Metastatic Hormone Receptor Positive Breast Cancer

NCT03007979
View directory record Official record
Conditions
Breast Cancer, Breast Carcinoma, Cancer of Breast, Malignant Tumor of Breast
Interventions
Palbociclib, Letrozole, Fulvestrant, Optional research biopsy, Goserelin, Research blood draw, Circulating tumor cell blood draw, Tumor biopsy (optional)
Drug · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
St Louis, Missouri • Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Mar 20, 2024 · Synced Oct 28, 2026, 7:37 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Coagulation and Fibrinolysis of Estradiol in Transwomen

NCT05387577
View directory record Official record
Conditions
Transgenderism, Clotting Disorder
Interventions
Estradiol Tablets, Transdermal patch
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 21, 2022 · Synced Oct 28, 2026, 7:37 AM EDT
Active, not recruiting Phase 1 Interventional

To Evaluate the Safety, Tolerability, and Pharmacokinetics of Inavolisib Single Agent in Participants With Solid Tumors and in Combination With Endocrine and Targeted Therapies in Participants With Breast Cancer

NCT03006172
View directory record Official record
Conditions
Breast Cancer, Solid Tumor
Interventions
Inavolisib, Fulvestrant, Letrozole, Palbociclib, Metformin, Trastuzumab, Pertuzumab
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
5
States / cities
Boston, Massachusetts • New York, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 28, 2026, 7:37 AM EDT
Active, not recruiting Phase 2 Interventional

Nab-Sirolimus and Endocrine Therapy in Recurrent Low Grade Serous Ovarian Cancer (NARETO)

NCT06494150
View directory record Official record
Conditions
Low Grade Ovarian Serous Adenocarcinoma
Interventions
nab-Sirolimus, Fulvestrant
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older · Female only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 28, 2026, 7:37 AM EDT
Active, not recruiting Phase 3 Interventional

A Study to Evaluate Efficacy and Safety of Giredestrant Compared With Fulvestrant (Plus a CDK4/6 Inhibitor), in Participants With ER-Positive, HER2-Negative Advanced Breast Cancer Resistant to Adjuvant Endocrine Therapy (pionERA Breast Cancer)

NCT06065748
View directory record Official record
Conditions
Estrogen Receptor-Positive, HER2-Negative Advanced Breast Cancer
Interventions
Giredestrant, Fulvestrant, Abemaciclib, Palbociclib, Ribociclib, LHRH Agonist, FoundationOne Liquid CDx Assay (F1LCDx)
Drug · Diagnostic Test
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
1,050 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
40
States / cities
Daphne, Alabama • Greenbrae, California • Harbor City, California + 34 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 28, 2026, 7:37 AM EDT
Active, not recruiting Phase 1 Interventional

A Phase 1 Study of ATV-1601 in Patients With Advanced Cancer That Have AKT1 E17K Mutations

NCT07038369
View directory record Official record
Conditions
Advanced Solid Tumors, Breast Cancer, Breast Carcinoma, Breast Neoplasms, ER Positive Breast Cancer, Cervical Cancers, Cervical Neoplasms, Cervical Carcinoma, Triple Negative Breast Cancer, Gynecologic Cancers, Gynecologic Neoplasm, Endometrial Cancer, Endometrial Neoplasm, Endometrial Carcinoma (EC), Fallopian Cancer, Ovarian Carcinoma, Ovarian Cancer, Ovarian Neoplasms, Prostate Cancers, Prostate Carcinoma, Solid Tumors, Neoplasms, Neoplasms by Site, Breast Diseases, Uterine Neoplasms, Genital Neoplasms, Female, Urogenital Neoplasms
Interventions
ATV-1601, ATV-1601 + Fulvestrant
Drug · Combination Product
Lead sponsor
Atavistik Bio, Inc
Industry
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
5
States / cities
Los Angeles, California • Lake Mary, Florida • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 28, 2026, 7:37 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

The Effects of Reproductive Hormones on Mood and Behavior

NCT00001322
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Leuprolide Acetate 3.75, Estradiol, Progesterone, Placebo suppository, Placebo patch
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1994 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 22, 2022 · Synced Oct 28, 2026, 7:37 AM EDT
Recruiting Phase 1Phase 2 Interventional

Open-Label Study to Evaluate the Safety, Tolerability, PK, and Efficacy of INX-315 in Patients With Advanced Cancer

NCT05735080
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Metastatic, Hormone Receptor Positive Tumor, Human Epidermal Growth Factor 2 Negative Carcinoma of Breast, Ovarian Cancer, CCNE1 Amplification, Solid Tumor, Advanced Cancer, Metastatic Cancer
Interventions
INX-315, Fulvestrant, Abemaciclib
Drug
Lead sponsor
Incyclix Bio
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
15
States / cities
Orlando, Florida • Atlanta, Georgia • Augusta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 28, 2026, 7:37 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluate the Effect of VI-0521 on the Pharmacokinetics of Oral Contraceptive in Healthy Female Subjects

NCT00821496
View directory record Official record
Conditions
Healthy
Interventions
ethinyl estradiol, norethindrone, VI-0521
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
19 Years to 64 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 2, 2009 · Synced Oct 28, 2026, 7:37 AM EDT
Completed Phase 4 Interventional Results available

Continuous Oral Contraceptive Treatment in Premenstrual Dysphoric Disorder (PMDD)

NCT00927095
View directory record Official record
Conditions
Premenstrual Dysphoric Disorder
Interventions
Continuous OC (EE/DROS), Intermittent OC (EE/DROS), placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 52 Years · Female only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 24, 2016 · Synced Oct 28, 2026, 7:37 AM EDT
Terminated Phase 2 Interventional Results available

Therapeutic Effect of Desogestrel on Ventilatory Control in Patients With Congenital Central Hypoventilation Syndrome

NCT01500473
View directory record Official record
Conditions
Congenital Central Hypoventilation Syndrome
Interventions
Desogestrel
Drug
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
16 Years to 50 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2023 · Synced Oct 28, 2026, 7:37 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Estradiol+Drospirenone Versus Estradiol+MPA on Endothelial Function

NCT01109979
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Estradiol+MPA, Estradiol+Drospirenone
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Oct 28, 2026, 7:37 AM EDT
Completed Phase 3 Interventional Results available

Hormone Therapy Plus Radiation Therapy With or Without Combination Chemotherapy in Treating Patients With Prostate Cancer

NCT00004054
View directory record Official record
Conditions
Prostate Cancer
Interventions
bicalutamide, estramustine phosphate sodium, etoposide, flutamide, paclitaxel, Luteinizing hormone releasing hormone [LHRH] agonist, Radiation therapy, warfarin
Drug · Radiation
Lead sponsor
Radiation Therapy Oncology Group
Network
Eligibility
18 Years and older · Male only
Enrollment
397 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2013
U.S. locations
52
States / cities
Birmingham, Alabama • Phoenix, Arizona • Concord, California + 43 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Oct 28, 2026, 7:37 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 16, 2015 · Synced Oct 28, 2026, 7:37 AM EDT
Not listed Not applicable Interventional

Assessment of the Sensitivity of the Hypothalamic GnRH Pulse Generator to Estradiol and Progesterone Inhibition

NCT01425541
View directory record Official record
Conditions
Hyperandrogenemia, Polycystic Ovary Syndrome (PCOS)
Interventions
estrace, Progesterone
Drug
Lead sponsor
University of Virginia
Other
Eligibility
8 Years to 18 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Oct 28, 2026, 7:37 AM EDT
Completed Phase 1Phase 2 Interventional

Combination Chemotherapy in Treating Patients With Advanced Prostate Cancer

NCT00003394
View directory record Official record
Conditions
Prostate Cancer
Interventions
carboplatin, endocrine-modulating drug therapy, estramustine phosphate sodium, goserelin acetate, leuprolide acetate, paclitaxel
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2013 · Synced Oct 28, 2026, 7:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Resveratrol and Acute Exercise on Endothelial Function in Postmenopausal Women

NCT02256540
View directory record Official record
Conditions
Endothelial Dysfunction
Interventions
Climara, Placebo patch, Resveratrol, Placebo
Drug · Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 20, 2020 · Synced Oct 28, 2026, 7:37 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effects of Annovera™ and Tampon Co-Usage on the Pharmacokinetics of Segesterone Acetate and Ethinyl Estradiol

NCT04272008
View directory record Official record
Conditions
Contraception
Interventions
Segesterone Acetate and Ethinyl Estradiol, Tampon
Drug · Other
Lead sponsor
TherapeuticsMD
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 28, 2026, 7:37 AM EDT