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ClinicalTrials.gov public records Last synced May 21, 2026, 11:11 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: HER2-Negative Metastatic Breast Cancer Clear all
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
PIK3CA Mutation, HER2- Negative Breast Cancer, Hormone Receptor Positive Tumor, Breast Cancer, Metastatic Breast Cancer, Advanced Breast Cancer
Interventions
RLY-2608, Capivasertib, Fulvestrant
Drug
Lead sponsor
Relay Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
51
States / cities
Gilbert, Arizona • Beverly Hills, California • Duarte, California + 41 more
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced May 21, 2026, 11:11 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Palbociclib, Fulvestrant, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older · Female only
Enrollment
521 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
134
States / cities
Birmingham, Alabama • Daphne, Alabama • Mobile, Alabama + 90 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2024 · Synced May 21, 2026, 11:11 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Negative, Recurrent Breast Carcinoma, Stage IV Breast Cancer, Triple-Negative Breast Carcinoma
Interventions
Carboplatin, Laboratory Biomarker Analysis, Pembrolizumab
Drug · Other · Biological
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 2, 2021 · Synced May 21, 2026, 11:11 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Breast Cancer
Interventions
Cisplatin, carboplatin
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
10
States / cities
Birmingham, Alabama • San Francisco, California • Washington D.C., District of Columbia + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2017 · Synced May 21, 2026, 11:11 PM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Breast Cancer
Interventions
Temsirolimus, Neratinib
Drug
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
4
States / cities
Goodyear, Arizona • Los Angeles, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced May 21, 2026, 11:11 PM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
Breast Cancer, PALB2-Mutated Breast Carcinoma, HER2-negative Breast Cancer, BRCA1 Mutation, BRCA2 Mutation
Interventions
Axatilimab, Olaparib
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced May 21, 2026, 11:11 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic HER2-Negative Breast Carcinoma, Metastatic Hormone Receptor-Positive Breast Carcinoma
Interventions
CD105/Yb-1/SOX2/CDH3/MDM2-polyepitope Plasmid DNA Vaccine, Capecitabine, Computed Tomography, Cyclin-Dependent Kinase 4 Inhibitor, Cyclin-Dependent Kinase 6 Inhibitor, F-18 16 Alpha-Fluoroestradiol, Hormone Therapy, Positron Emission Tomography, Biopsy Procedure, Biospecimen Collection, Abemaciclib
Biological · Drug · Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced May 21, 2026, 11:11 PM EDT
Active, not recruiting Phase 3 Interventional
View directory record Official record
Conditions
Breast Neoplasms
Interventions
pembrolizumab, paclitaxel, nab-paclitaxel, liposomal doxorubicin, capecitabine, normal saline, dextrose
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
41
States / cities
Birmingham, Alabama • Tucson, Arizona • Monterey, California + 33 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced May 21, 2026, 11:11 PM EDT
Withdrawn Phase 4 Interventional
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Abemaciclib, Nonsteroidal Aromatase Inhibitor (NSAI)
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
70
States / cities
Daphne, Alabama • Tempe, Arizona • Fountain Valley, California + 60 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2019 · Synced May 21, 2026, 11:11 PM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
Hormone-receptor-positive Breast Cancer, HER2-negative Breast Cancer, Metastatic Breast Cancer
Interventions
BGB-21447, Fulvestrant, BGB-43395
Drug
Lead sponsor
BeOne Medicines
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
4
States / cities
Newport Beach, California • Iowa City, Iowa • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced May 21, 2026, 11:11 PM EDT
Terminated Phase 1 Interventional
View directory record Official record
Conditions
Breast Cancer
Interventions
TTI-101, Palbociclib, Aromatase inhibitor (AI), fulvestrant, ribociclib
Drug
Lead sponsor
Tvardi Therapeutics, Incorporated
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
6
States / cities
Fort Lauderdale, Florida • St Louis, Missouri • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2025 · Synced May 21, 2026, 11:11 PM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Breast Cancer
Interventions
Ribociclib, Everolimus, Exemestane
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
25
States / cities
Chandler, Arizona • Fayetteville, Arkansas • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced May 21, 2026, 11:11 PM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Breast Cancer, Locally Advanced Breast Cancer, Metastatic Breast Cancer, ER Positive Breast Cancer, HER2 Negative Breast Carcinoma
Interventions
Palazestrant, Letrozole-matching placebo, Ribociclib, Letrozole, Palazestrant matching-placebo
Drug
Lead sponsor
Olema Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
28
States / cities
Hot Springs, Arkansas • Beverly Hills, California • Santa Barbara, California + 25 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced May 21, 2026, 11:11 PM EDT
Completed Phase 1Phase 2 Interventional Results available
View directory record Official record
Conditions
Breast Cancer
Interventions
bendamustine, erlotinib, Maintenance erlotinib
Drug
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 16, 2018 · Synced May 21, 2026, 11:11 PM EDT
Completed No phase listed Observational Results available
View directory record Official record
Conditions
Metastatic Breast Cancer, Breast Neoplasms
Interventions
Talazoparib
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced May 21, 2026, 11:11 PM EDT
Terminated Phase 1 Interventional Results available
View directory record Official record
Conditions
Breast Cancer
Interventions
Ipatasertib, Placebo, Palbociclib, Fulvestrant
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
5
States / cities
Atlanta, Georgia • Chicago, Illinois • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced May 21, 2026, 11:11 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Adult Solid Neoplasm, Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, Male Breast Carcinoma, Progesterone Receptor Negative, Recurrent Breast Carcinoma, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer, Triple-Negative Breast Carcinoma
Interventions
Carboplatin, Laboratory Biomarker Analysis, Paclitaxel, Pharmacological Study, Veliparib
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
3
States / cities
Hershey, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 24, 2015 · Synced May 21, 2026, 11:11 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Breast - Female, Male Breast Cancer
Interventions
Pembrolizumab, Paclitaxel
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 3, 2023 · Synced May 21, 2026, 11:11 PM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
lapatinib
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
3
States / cities
Kansas City, Kansas • Topeka, Kansas • Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 30, 2019 · Synced May 21, 2026, 11:11 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Hormone-sensitive, HER-2 Negative Metastatic Breast Cancer
Interventions
MEDI-573, Aromatase Inhibitor
Drug
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 99 Years · Female only
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
34
States / cities
Scottsdale, Arizona • Bakersfield, California • Pleasant Hill, California + 28 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2020 · Synced May 21, 2026, 11:11 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Palbociclib, Fulvestrant
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Annapolis, Maryland • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced May 21, 2026, 11:11 PM EDT
Recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Metastatic Breast Cancer, HER2 Low Breast Carcinoma, HER2-negative Breast Cancer, Breast Cancer, Breast Cancer Female
Interventions
Elacestrant, Trastuzumab Deruxtecan
Drug
Lead sponsor
Sarah Sammons, MD
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2038
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced May 21, 2026, 11:11 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Breast Cancer, Invasive Breast Cancer, Unresectable Breast Carcinoma, Locally Advanced Breast Cancer, Metastatic Breast Cancer, Inflammatory Breast Cancer, Triple Negative Breast Cancer (TNBC), Hormone Receptor/Growth Factor Receptor-Negative Breast Cancer, HER2-negative Breast Cancer, Hormone Receptor Negative Breast Carcinoma
Interventions
Onvansertib, Paclitaxel
Drug
Lead sponsor
Antonio Giordano, MD
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced May 21, 2026, 11:11 PM EDT
Recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Breast, Metastatic, Triple Negative, Cancer, Disseminated Tumor Cell
Interventions
Capecitabine, Sarilumab 150mg or 200 mg plus Capecitabine, Sarilumab 150mg plus Capecitabine
Drug · Combination Product
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 99 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
3
States / cities
Los Angeles, California • Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced May 21, 2026, 11:11 PM EDT