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ClinicalTrials.gov public records Last synced Oct 11, 2026, 5:37 AM EDT

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Showing 169–192 of 393 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Estrogen Receptor Positive Breast Cancer Clear all
Completed Phase 2 Interventional Results available

A Phase II Randomized Study Evaluating the Biological and Clinical Effects of the Combination of Palbociclib With Letrozole as Neoadjuvant Therapy in Post-Menopausal Women With Estrogen-Receptor Positive Primary Breast Cancer

NCT02296801
View directory record Official record
Conditions
Breast Cancer, Breast Carcinoma, Breast Tumors
Interventions
Letrozole, palbociclib
Drug
Lead sponsor
NSABP Foundation Inc
Network
Eligibility
18 Years and older · Female only
Enrollment
307 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
19
States / cities
Long Beach, California • Miami, Florida • Decatur, Illinois + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Oct 11, 2026, 5:37 AM EDT
Recruiting Phase 2 Interventional

The SAPPHO Study: Sequential Therapy With Curative Intent in de Novo HER2+ Metastatic Breast Cancer

NCT06439693
View directory record Official record
Conditions
Breast Cancer Female, Breast Cancer, Breast Cancer Metastatic, Estrogen Receptor-positive Breast Cancer, HER2-positive Breast Cancer, Stage IV Breast Cancer
Interventions
Nab-Paclitaxel, Paclitaxel, Docetaxel, Phesgo, T-DM1, Pertuzumab, Trastuzumab Deruxtecan, Trastuzumab Subcutaneous Subcutaneous, Tucatinib, Trastuzumab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2033
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 11, 2026, 5:37 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

GS-5829 in Combination With Fulvestrant or Exemestane in Women With Advanced Estrogen Receptor Positive, HER2 Negative-Breast Cancer

NCT02983604
View directory record Official record
Conditions
Advanced Estrogen Receptor Positive HER2- Breast Cancer
Interventions
GS-5829, Exemestane, Fulvestrant
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
6
States / cities
Stanford, California • Boston, Massachusetts • Minneapolis, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced Oct 11, 2026, 5:37 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study of ZN-c5 in Subjects With Breast Cancer

NCT03560531
View directory record Official record
Conditions
Breast Cancer
Interventions
ZN-c5, Palbociclib
Drug
Lead sponsor
Zeno Alpha Inc.
Industry
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
11
States / cities
Tucson, Arizona • Los Angeles, California • Bethesda, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 11, 2026, 5:37 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Neoadjuvant Hormonal Therapy Combined With Chemoimmunotherapy

NCT02345772
View directory record Official record
Conditions
HER2-positive Breast Cancer, ER-positive Breast Cancer
Interventions
fulvestrant 500 mg, Docetaxel, Trastuzumab (H, 8mg/kg, Pertuzumab (P, 840 mg
Drug
Lead sponsor
Western Regional Medical Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Goodyear, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 20, 2018 · Synced Oct 11, 2026, 5:37 AM EDT
Terminated Phase 1 Interventional

Open-label Phase 1b Study of ARQ 092 in Combination With Anastrozole

NCT02476955
View directory record Official record
Conditions
Solid Tumors, Ovarian Cancer, Endometrial Cancer
Interventions
ARQ 092 + carboplatin + paclitaxel (Closed), ARQ 092 + paclitaxel (Closed), ARQ 092 + anastrozole
Drug
Lead sponsor
ArQule, Inc., a subsidiary of Merck Sharp & Dohme LLC, a subsidiary of Merck & Co., Inc. (Rahway, NJ USA)
Industry
Eligibility
18 Years and older · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
5
States / cities
Grand Rapids, Michigan • New York, New York • Oklahoma City, Oklahoma + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2020 · Synced Oct 11, 2026, 5:37 AM EDT
Completed Phase 2 Interventional Results available

Trial of Exemestane +/- MM-121 in Postmenopausal Women With Locally Advanced or Metastatic Estrogen Receptor Positive and/or Progesterone Receptor Positive Her2 Negative Breast Cancer

NCT01151046
View directory record Official record
Conditions
Her2 Negative Breast Cancer Patients
Interventions
MM-121, Placebo, Exemestane
Drug
Lead sponsor
Merrimack Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
18
States / cities
Birmingham, Alabama • Glendale, Arizona • Anaheim, California + 13 more
Source: ClinicalTrials.gov public record
Updated May 12, 2016 · Synced Oct 11, 2026, 5:37 AM EDT
Withdrawn Not applicable Interventional

Exercise Intervention in Targeting Adiposity and Inflammation With Movement to Improve Prognosis in Breast Cancer

NCT03091842
View directory record Official record
Conditions
Cancer Survivor, Central Obesity, Estrogen Receptor Positive, Postmenopausal, Progesterone Receptor Positive, Stage I Breast Cancer, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage III Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer
Interventions
Exercise Intervention, Informational Intervention, Laboratory Biomarker Analysis, Quality-of-Life Assessment, Questionnaire Administration
Behavioral · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 24, 2019 · Synced Oct 11, 2026, 5:37 AM EDT
Terminated Phase 3 Interventional

Treatment and Survival Continuation Study of Atamestane Plus Toremifene vs Letrozole in Advanced Breast Cancer

NCT00267553
View directory record Official record
Conditions
Breast Neoplasms, Neoplasms, Hormone-Dependent
Interventions
Atamestane, toremifene, letrozole
Drug
Lead sponsor
Intarcia Therapeutics
Industry
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
6
States / cities
Greenbrae, California • Saint Joseph, Michigan • Kansas City, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2007 · Synced Oct 11, 2026, 5:37 AM EDT
Completed Phase 2 Interventional Results available

Phase II Trial for Large ER-Negative Breast Cancers

NCT01869192
View directory record Official record
Conditions
Malignant Neoplasm of Female Breast
Interventions
Epirubicin, Cyclophosphamide, Docetaxel, Capecitabine, Radiation Therapy
Drug · Radiation
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 24, 2019 · Synced Oct 11, 2026, 5:37 AM EDT
Recruiting Phase 1Phase 2 Interventional

A Study to Evaluate the Effect of GDC-4198 Alone and in Combination With Giredestrant Versus Abemaciclib and Giredestrant in Participants With Locally Advanced or Metastatic Estrogen Receptor-Positive (ER+), Human Epidermal Growth Factor Receptor-Negative (HER2-) Breast Cancer

NCT07100106
View directory record Official record
Conditions
Breast Cancer
Interventions
GDC-4198, Giredestrant, Abemaciclib
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
285 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
32
States / cities
Huntsville, Alabama • Tucson, Arizona • Duarte, California + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 11, 2026, 5:37 AM EDT
Completed Phase 2 Interventional Results available

Alternative Dosing of Exemestane Before Surgery in Treating Postmenopausal Patients With Stage 0-II Estrogen Positive Breast Cancer

NCT02598557
View directory record Official record
Conditions
Stage 0 Breast Cancer AJCC v6 and v7, Stage I Breast Cancer AJCC v7, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage II Breast Cancer AJCC v6 and v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7
Interventions
Exemestane, Laboratory Biomarker Analysis, Pharmacological Study, Placebo Administration, Quality-of-Life Assessment, Questionnaire Administration, Therapeutic Conventional Surgery
Drug · Other · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Up to 75 Years · Female only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
3
States / cities
Tampa, Florida • New York, New York • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 22, 2023 · Synced Oct 11, 2026, 5:37 AM EDT
Completed Phase 2 Interventional Results available

MCLA-128 With Trastuzumab/Chemotherapy in HER2+ and With Endocrine Therapy in ER+ and Low HER2 Breast Cancer.

NCT03321981
View directory record Official record
Conditions
Breast Cancer Metastatic
Interventions
Zenocutuzumab, Trastuzumab, Vinorelbine, Endocrine therapy
Drug
Lead sponsor
Merus B.V.
Industry
Eligibility
18 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
3
States / cities
Los Angeles, California • Kansas City, Kansas • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Oct 11, 2026, 5:37 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Phase-3, Open-Label, Randomized Study of Dato-DXd Versus Investigator's Choice of Chemotherapy (ICC) in Participants With Inoperable or Metastatic HR-Positive, HER2-Negative Breast Cancer Who Have Been Treated With One or Two Prior Lines of Systemic Chemotherapy (TROPION-Breast01)

NCT05104866
View directory record Official record
Conditions
Breast Cancer
Interventions
Dato-DXd, Capecitabine, Gemcitabine, Eribulin, Vinorelbine
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
732 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
14
States / cities
Duarte, California • Los Angeles, California • Palo Alto, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 11, 2026, 5:37 AM EDT
Completed No phase listed Observational

Electronic Medical Record-Based Nudge to Reduce SLNB

NCT06006910
View directory record Official record
Conditions
Breast Cancer, Estrogen-receptor-positive Breast Cancer
Interventions
Column-based nudge in the EHR, No column-based nudge in the EHR
Behavioral
Lead sponsor
University of Pittsburgh Medical Center
Other
Eligibility
70 Years and older · Female only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Oct 11, 2026, 5:37 AM EDT
Withdrawn Not applicable Interventional

Estrogen Receptor Expression in Breast Cancer - Assessed With Positron Emission Mammography

NCT03266562
View directory record Official record
Conditions
Breast Neoplasm
Interventions
F-18 FES, F-18 FDG
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 90 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 9, 2019 · Synced Oct 11, 2026, 5:37 AM EDT
Active, not recruiting Phase 2 Interventional Results available

A Study to Investigate Efficacy and Safety With Oral AZD9833 Compared With Intramuscular Fulvestrant in Post-menopausal Women at Least 18 Years of Age With Advanced ER-positive HER2 Negative Breast Cancer

NCT04214288
View directory record Official record
Conditions
Advanced ER-Positive HER2-Negative Breast Cancer
Interventions
AZD9833, Fulvestrant
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years · Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
9
States / cities
Birmingham, Alabama • Long Beach, California • Fort Myers, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 11, 2026, 5:37 AM EDT
Completed Phase 1 Interventional

Alisertib and Fulvestrant in Treating Patients With Hormone Receptor Positive Breast Cancer That is Metastatic or Locally Advanced and Cannot Be Removed by Surgery

NCT02219789
View directory record Official record
Conditions
Estrogen Receptor Positive, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
Alisertib, Fulvestrant, Laboratory Biomarker Analysis
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Oct 11, 2026, 5:37 AM EDT
Completed Not applicable Interventional

S1200: Acupuncture, Sham Acupuncture, or Wait List for Joint Symptoms Related to Aromatase Inhibitors in Pts W/Early-Stage Breast Cancer

NCT01535066
View directory record Official record
Conditions
Breast Cancer, Pain
Interventions
acupuncture therapy, sham acupuncture
Procedure
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older · Female only
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
47
States / cities
Antioch, California • Fremont, California • Los Angeles, California + 36 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2022 · Synced Oct 11, 2026, 5:37 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

RO4929097 and Whole-Brain Radiation Therapy or Stereotactic Radiosurgery in Treating Patients With Brain Metastases From Breast Cancer

NCT01217411
View directory record Official record
Conditions
Adult Solid Neoplasm, Extensive Stage Lung Small Cell Carcinoma, HER2/Neu Negative, HER2/Neu Positive, Male Breast Carcinoma, Metastatic Malignant Neoplasm in the Brain, Recurrent Breast Carcinoma, Recurrent Lung Non-Small Cell Carcinoma, Recurrent Lung Small Cell Carcinoma, Recurrent Melanoma, Stage IV Breast Cancer AJCC v6 and v7, Stage IV Cutaneous Melanoma AJCC v6 and v7, Stage IV Lung Non-Small Cell Cancer AJCC v7
Interventions
Cognitive Assessment, Gamma-Secretase Inhibitor RO4929097, Laboratory Biomarker Analysis, Stereotactic Radiosurgery, Whole-Brain Radiotherapy
Procedure · Drug · Other + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Oct 11, 2026, 5:37 AM 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 11, 2026, 5:37 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Trial of H3B-6545, in Women With Locally Advanced or Metastatic Estrogen Receptor-positive, HER2 Negative Breast Cancer

NCT03250676
View directory record Official record
Conditions
Breast Neoplasms, Breast Cancer, Estrogen-receptor Positive Breast Cancer, Cancer, Breast, Breast Cancer Female, Breast Adenocarcinoma, Estrogen Receptor Positive Tumor, ER Positive
Interventions
H3B-6545
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
23
States / cities
Goodyear, Arizona • Los Angeles, California • San Francisco, California + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Oct 11, 2026, 5:37 AM EDT
Recruiting Phase 2 Interventional

Elacestrant vs Elacestrant Plus a CDK4/6 Inhibitor in Patients With ERpositive/HER2-negative Advanced or Metastatic Breast Cancer

NCT06062498
View directory record Official record
Conditions
Estrogen-receptor-positive Breast Cancer, HER2/Neu-Negative Breast Cancer, Advanced Breast Cancerv, Metastatic Breast Cancer
Interventions
elacestrant, palbociclib, abemaciclib, ribociclib
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
3
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 11, 2026, 5:37 AM EDT
Terminated Phase 2 Interventional Results available

Pharmacokinetically Guided Everolimus in Patients With Breast Cancer, Pancreatic Neuroendocrine Tumors, or Kidney Cancer

NCT02273752
View directory record Official record
Conditions
Estrogen Receptor-positive Breast Cancer, Gastrinoma, Glucagonoma, HER2-negative Breast Cancer, Insulinoma, Mucositis, Oral Complications, Pancreatic Polypeptide Tumor, Progesterone Receptor-positive Breast Cancer, Recurrent Breast Cancer, Recurrent Islet Cell Carcinoma, Recurrent Renal Cell Cancer, Somatostatinoma, Stage III Renal Cell Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer, Stage IV Renal Cell Cancer
Interventions
Everolimus
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 3, 2017 · Synced Oct 11, 2026, 5:37 AM EDT