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ClinicalTrials.gov public records Last synced Oct 13, 2026, 9:23 PM EDT

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Showing 145–168 of 411 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Hormone-receptor-positive Breast Cancer Clear all
Completed Phase 1Phase 2 Interventional Results available

A Dose Escalation/Expansion Study of Oral OP-1250 in Subjects With Advanced and/or Metastatic HR+, HER2- Breast Cancer

NCT04505826
View directory record Official record
Conditions
Hormone Receptor Positive Breast Carcinoma, HER2-negative Breast Cancer
Interventions
OP-1250
Drug
Lead sponsor
Olema Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
15
States / cities
Los Angeles, California • Aurora, Colorado • Deerfield Beach, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 2 Interventional Results available

Study of Fulvestrant +/- Everolimus in Post-Menopausal, Hormone-Receptor + Metastatic Breast Ca Resistant to AI

NCT01797120
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Fulvestrant, Everolimus, Placebo
Drug
Lead sponsor
PrECOG, LLC.
Other
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
25
States / cities
Greenbrae, California • Stanford, California • Rockford, Illinois + 21 more
Source: ClinicalTrials.gov public record
Updated May 30, 2018 · Synced Oct 13, 2026, 9:23 PM EDT
Recruiting Not applicable Interventional

A Study of the TheraBionic P1 Device in Breast Cancer

NCT07218432
View directory record Official record
Conditions
Breast Cancer Stage I, Breast Cancer Stage II, Breast Cancer Stage IIIA, Hormone Receptor Positive Tumor, HER2-negative Breast Cancer
Interventions
TheraBionic P1 Device
Device
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
22 Years and older · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
8
States / cities
Clarkston, Michigan • Detroit, Michigan • Farmington Hills, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 13, 2026, 9:23 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Trial of Fulvestrant, MK-0646, and Dasatinib for Metastatic Hormone Receptor-Positive HER2-Negative Breast Cancer

NCT00903006
View directory record Official record
Conditions
Breast Cancer
Interventions
Fulvestrant, MK-0646, Dasatinib
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 2, 2015 · Synced Oct 13, 2026, 9:23 PM EDT
Completed No phase listed Observational Results available

Treatment Patterns and Clinical Outcomes Among Patients With HR+/HER2- mBC Receiving Palbociclib Combination Therapy in the US Community Oncology Setting.

NCT04460911
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
317 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 11, 2024 · Synced Oct 13, 2026, 9:23 PM EDT
Completed No phase listed Observational

PRospective Study Of MammaPrint in Patients With an Intermediate Recurrence Score

NCT01617954
View directory record Official record
Conditions
Hormone Receptor Positive Malignant Neoplasm of Breast
Interventions
MammaPrint
Device
Lead sponsor
Agendia
Industry
Eligibility
18 Years to 90 Years · Female only
Enrollment
820 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
53
States / cities
Phoenix, Arizona • Burbank, California • Palm Springs, California + 47 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2016 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 2 Interventional Results available

Arimidex With or Without Faslodex In Postmenopausal Women With HR Positive Breast Cancer

NCT00570323
View directory record Official record
Conditions
Breast Cancer
Interventions
Arimidex, Faslodex
Drug
Lead sponsor
Mothaffar Rimawi
Other
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 28, 2020 · Synced Oct 13, 2026, 9:23 PM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study of Abemaciclib (LY2835219) Combined With Fulvestrant in Women With Hormone Receptor Positive HER2 Negative Breast Cancer

NCT02107703
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Abemaciclib, Fulvestrant, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
669 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
43
States / cities
Jonesboro, Arkansas • Springdale, Arkansas • La Jolla, California + 36 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 2 Interventional Results available

A Trial Using ARV-471 or Anastrozole in Post-Menopausal Women With Breast Cancer Prior to Surgery

NCT05549505
View directory record Official record
Conditions
Breast Cancer
Interventions
ARV-471, Anastrozole, Surgical resection of breast tumor
Drug · Procedure
Lead sponsor
Arvinas Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
13
States / cities
Springdale, Arkansas • Los Angeles, California • Torrance, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 29, 2025 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 2 Interventional Results available

Tipifarnib and Fulvestrant in Hormone Receptor-Positive Metastatic Breast Cancer

NCT00082810
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
fulvestrant, tipifarnib
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 1, 2018 · Synced Oct 13, 2026, 9:23 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Pembrolizumab in Treating Patients With Hormone Receptor Positive, Localized Inflammatory Breast Cancer Who Are Receiving Hormone Therapy and Did Not Achieve a Pathological Complete Response to Chemotherapy

NCT02971748
View directory record Official record
Conditions
Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Breast Inflammatory Carcinoma, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8
Interventions
Pembrolizumab
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 13, 2026, 9:23 PM EDT
Active, not recruiting Phase 1 Interventional

AKT Inhibitor, Ipatasertib, With Endocrine and CDK 4/6 Inhibitor for Patients With Metastatic Breast Cancer (TAKTIC)

NCT03959891
View directory record Official record
Conditions
Breast Cancer
Interventions
Ipatasertib, Fulvestrant, Aromatase Inhibitor, Palbociclib
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 2 Interventional Results available

Study of 2 Ribociclib Doses in Combination With Aromatase Inhibitors in Women With HR+, HER2- Advanced Breast Cancer

NCT03822468
View directory record Official record
Conditions
Breast Cancer
Interventions
Ribociclib, Anastrozole, Letrozole, Goserelin
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years · Female only
Enrollment
376 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
14
States / cities
Mobile, Alabama • Greenbrae, California • Longmont, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2025 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 1 Interventional

Yttrium Y 90 SMT 487 in Treating Patients With Refractory or Recurrent Cancer

NCT00006368
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Breast Cancer, Gastrointestinal Carcinoid Tumor, Islet Cell Tumor, Lung Cancer, Lymphoma, Melanoma (Skin), Neoplastic Syndrome
Interventions
yttrium Y 90-edotreotide
Radiation
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 1, 2013 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 2 Interventional Results available

F-18 16 Alpha-Fluoroestradiol-Labeled Positron Emission Tomography in Predicting Response to First-Line Hormone Therapy in Patients With Stage IV Breast Cancer

NCT00602043
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, Progesterone Receptor-negative Breast Cancer, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer
Interventions
F-18 16 alpha-fluoroestradiol, fludeoxyglucose F 18, positron emission tomography, computed tomography, laboratory biomarker analysis
Radiation · Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 19, 2020 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 1 Interventional

HOPE: Olaparib, Palbociclib and Fulvestrant in Patients With BRCA Mutation-associated, HR+, HER2-metastatic Breast Cancer

NCT03685331
View directory record Official record
Conditions
Metastatic Breast Cancer, Locally Advanced Breast Cancer, Advanced Breast Cancer, BRCA2 Mutation, BRCA1 Mutation
Interventions
Palbociclib, Olaparib, Fulvestrant
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 1 Interventional

Phase 1, First-in-Human Study of RAD140 in Postmenopausal Women With Breast Cancer

NCT03088527
View directory record Official record
Conditions
Hormone Receptor Positive Malignant Neoplasm of Breast
Interventions
RAD140
Drug
Lead sponsor
Stemline Therapeutics, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
5
States / cities
New Haven, Connecticut • Boston, Massachusetts • Detroit, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2022 · Synced Oct 13, 2026, 9:23 PM EDT
Active, not recruiting Phase 2 Interventional Results available

A Study of Olaparib and Pembrolizumab in People With Triple Negative Breast Cancer (TNBC) or Hormone Receptor-positive HER2-negative Breast Cancer

NCT05203445
View directory record Official record
Conditions
Breast Cancer
Interventions
Olaparib, Pembrolizumab
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 13, 2026, 9:23 PM EDT
Terminated Phase 1 Interventional

A Phase 1 Study of 68Ga-R11228 and 177Lu-R11228 in Breast Cancer

NCT07121244
View directory record Official record
Conditions
Locoregionally Recurrent Hormone-receptor Positive Breast Cancer, Metastatic Hormone Receptor Positive Breast Cancer
Interventions
68Ga-R11228, 177Lu-R11228
Drug
Lead sponsor
Radionetics Oncology
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
6
States / cities
Indianapolis, Indiana • Glen Burnie, Maryland • Princeton, New Jersey + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 13, 2026, 9:23 PM EDT
Terminated Phase 1 Interventional Results available

A Dose Escalation Study Evaluating the Safety and Tolerability of GDC-0032 in Participants With Locally Advanced or Metastatic Solid Tumors or Non-Hodgkin's Lymphoma (NHL) and in Combination With Endocrine Therapy in Locally Advanced or Metastatic Hormone Receptor-Positive Breast Cancer

NCT01296555
View directory record Official record
Conditions
Solid Cancers, Non-Hodgkin's Lymphoma
Interventions
Fulvestrant, GDC-0032, Letrozole, Midazolam
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
674 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2021
U.S. locations
27
States / cities
Scottsdale, Arizona • Tucson, Arizona • Orange, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2024 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 1 Interventional

Endoxifen in Adults With Hormone Receptor Positive Solid Tumors

NCT01273168
View directory record Official record
Conditions
Hormone Receptor-Positive Breast, Gynecologic, Desmoid, Hormone Receptor-Positive Neoplasms
Interventions
Z-Endoxifen
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 13, 2026, 9:23 PM EDT
Recruiting Phase 1Phase 2 Interventional

Study of AMXT 1501 and DFMO in Combination With Standard Therapies in Advanced Solid Tumors

NCT07287917
View directory record Official record
Conditions
Melanoma (Skin Cancer), HER2-low Hormone Receptor Positive Breast Cancer
Interventions
AMXT 1501 Dicaprate, DFMO, Fulvestrant, Capivasertib, Pembrolizumab
Drug
Lead sponsor
Aminex Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
20
States / cities
Tucson, Arizona • La Jolla, California • Los Angeles, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 13, 2026, 9:23 PM EDT
Recruiting Phase 2 Interventional

A Phase II Study Evaluating the Efficacy and Safety of Inavolisib Plus Ribociclib Plus Fulvestrant Versus Placebo Plus Ribociclib Plus Fulvestrant in Participants With Advanced Breast Cancer

NCT07405801
View directory record Official record
Conditions
Breast Cancer
Interventions
Inavolisib, Ribociclib, Fulvestrant, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
10
States / cities
Anaheim, California • Palo Alto, California • Jacksonville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 13, 2026, 9:23 PM EDT
Completed Phase 2 Interventional

Fulvestrant in Premenopausal Women With Hormone Receptor-Positive Breast Cancer

NCT00146601
View directory record Official record
Conditions
Breast Cancer
Interventions
Fulvestrant
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
4
States / cities
Boston, Massachusetts • Lowell, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 21, 2007 · Synced Oct 13, 2026, 9:23 PM EDT