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ClinicalTrials.gov public records Last synced Oct 16, 2026, 4:03 PM EDT

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Showing 577–600 of 848 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: HER2 Positive Breast Carcinoma Clear all
Completed Phase 1 Interventional

Entinostat, Lapatinib Ditosylate and Trastuzumab in Treating Patients With Locally Recurrent or Distant Relapsed Metastatic Breast Cancer Previously Treated With Trastuzumab Only

NCT01434303
View directory record Official record
Conditions
HER2/Neu Positive, Invasive Breast Carcinoma, Recurrent Breast Carcinoma, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Entinostat, Laboratory Biomarker Analysis, Lapatinib Ditosylate, Trastuzumab
Drug · Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 20, 2019 · Synced Oct 16, 2026, 4:03 PM EDT
Completed Phase 2 Interventional

Vaccine Therapy in Treating Patients Receiving Trastuzumab For HER2-Positive Stage IIIB-IV Breast Cancer

NCT00343109
View directory record Official record
Conditions
HER2-positive Breast Cancer, Male Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
HER-2/neu intracellular domain protein, leukapheresis, laboratory biomarker analysis, sargramostim, immunologic technique, synthetic tumor-associated peptide vaccine therapy
Biological · Procedure · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Oct 16, 2026, 4:03 PM EDT
Recruiting No phase listed Observational

Role of the Immune Environment in Response to Therapy in Breast Cancer

NCT05396612
View directory record Official record
Conditions
Breast Cancer, ER Positive Breast Cancer, HER2-negative Breast Cancer, TNBC - Triple-Negative Breast Cancer
Interventions
Collection of personal health information from women treated at the University of Pennsylvania under an approved HIPAA waiver.
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Oct 16, 2026, 4:03 PM EDT
Recruiting Phase 1 Interventional

Clinical Trial of Avasopasem in Patients With Metastatic Hormone Receptor Positive Breast Cancer With Progression on a CDK 4/6 Inhibitor and Hormonal Therapy

NCT07137871
View directory record Official record
Conditions
Breast Cancer Metastatic
Interventions
Avasopasem
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Oct 16, 2026, 4:03 PM EDT
Completed Phase 1 Interventional Results available

A Study Of Pembrolizumab In Combination With Trastuzumab-DM1

NCT03032107
View directory record Official record
Conditions
Breast Cancer
Interventions
T-DM1, Pembrolizumab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Oct 16, 2026, 4:03 PM EDT
Terminated Phase 2 Interventional Results available

Evaluation of Biomarkers Associated With Response to Subsequent Therapies in Subjects With HER2-Positive Metastatic Breast Cancer

NCT02213042
View directory record Official record
Conditions
Neoplasms, Breast
Interventions
Lapatinib, Trastuzumab, Aromatase Inhibitors (AIs)
Drug · Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
3
States / cities
Mobile, Alabama • Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2021 · Synced Oct 16, 2026, 4:03 PM EDT
Recruiting Phase 1Phase 2 Interventional

Study of Patritumab Deruxtecan With Other Anticancer Agents in Participants With HER2 Positive Breast Cancer That Has Spread and Cannot Be Surgically Removed (MK-1022-009)

NCT06686394
View directory record Official record
Conditions
Breast Neoplasms, Breast Cancer
Interventions
Patritumab deruxtecan, Trastuzumab, Trastuzumab Biosimilar, Pertuzumab, Tucatinib
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
5
States / cities
Aurora, Colorado • Boston, Massachusetts • New Brunswick, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 16, 2026, 4:03 PM EDT
Recruiting Phase 2 Interventional

ARX788 for Treating Patients With HER2-low Locally Advanced Unresectable or Metastatic Breast Cancer

NCT06224673
View directory record Official record
Conditions
HER2 Low Breast Carcinoma, Triple Negative Breast Cancer, Hormone-receptor-positive Breast Cancer, Hormone Receptor Positive Breast Carcinoma
Interventions
ARX788, Computed Tomography (CT), Biospecimen Collection, Amiloride
Drug · Procedure
Lead sponsor
Laura Huppert, MD, BA
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 16, 2026, 4:03 PM EDT
Completed Phase 2 Interventional Results available

Preoperative Herceptin/Navelbine Versus Taxotere/Carboplatin/Herceptin in HER-2 Positive Breast Cancer

NCT00148668
View directory record Official record
Conditions
Breast Cancer
Interventions
Herceptin, Navelbine, Taxotere, Carboplatin
Drug
Lead sponsor
Eric Winer, MD
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2011
U.S. locations
4
States / cities
New Haven, Connecticut • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 9, 2013 · Synced Oct 16, 2026, 4:03 PM EDT
Recruiting Phase 1Phase 2 Interventional

The Evaluation of PC14586 in Patients With Advanced Solid Tumors Harboring a TP53 Y220C Mutation (PYNNACLE)

NCT04585750
View directory record Official record
Conditions
Advanced Solid Tumor, Advanced Malignant Neoplasm, Metastatic Cancer, Metastatic Solid Tumor, Lung Cancer, Ovarian Cancer, Endometrial Cancer, Prostate Cancer, Colorectal Cancer, Breast Cancer, Other Cancer, Locally Advanced, Head and Neck Cancer, Gall Bladder Cancer, Small Cell Lung Cancer, Small Cell Lung Cancer ( SCLC ), Small Cell Lung Carcinoma, NSCLC, NSCLC (Non-small Cell Lung Cancer), SCLC, Non-Small Cell Lung Carcinoma, Triple Negative Breast Cancer, TNBC, HER2+ Breast Cancer, Non-Small Cell Lung Cancer, ER/PR Positive Breast Cancer, HER2- Breast Cancer, HER2-positive Breast Cancer, HER2-negative Breast Cancer, ER/PR(+), Her2(-) Breast Cancer
Interventions
rezatapopt, pembrolizumab
Drug
Lead sponsor
PMV Pharmaceuticals, Inc
Industry
Eligibility
12 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
32
States / cities
Irvine, California • La Jolla, California • Los Angeles, California + 26 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 16, 2026, 4:03 PM EDT
Completed Phase 2 Interventional

ANG1005 in Breast Cancer Patients With Recurrent Brain Metastases

NCT02048059
View directory record Official record
Conditions
Breast Cancer, Brain Metastases
Interventions
ANG1005
Drug
Lead sponsor
Angiochem Inc
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
19
States / cities
Tucson, Arizona • La Jolla, California • Los Angeles, California + 14 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Oct 16, 2026, 4:03 PM EDT
Terminated Phase 4 Interventional

Effect of HSD3B1 (1245C) Gene Mutation on Treatment of Stage I-III Breast Cancer

NCT05183828
View directory record Official record
Conditions
Anatomic Stage I Breast Cancer AJCC v8, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Breast Adenocarcinoma, Invasive Breast Carcinoma of No Special Type
Interventions
Biospecimen Collection, Letrozole, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 16, 2026, 4:03 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

Breast Cancer Study of Preoperative Pembrolizumab + Radiation

NCT03366844
View directory record Official record
Conditions
Breast Cancer
Interventions
Pembrolizumab, RT Boost
Drug · Radiation
Lead sponsor
Stephen Shiao
Other
Eligibility
18 Years and older · Female only
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Oct 16, 2026, 4:03 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety Study Of Chemotherapy Combined With Dendritic Cell Vaccine to Treat Breast Cancer

NCT02018458
View directory record Official record
Conditions
Breast Cancer
Interventions
LA TNBC: DC vaccine+Preop chemo, ER+/HER2-BC:DC vaccine+Preop chemo
Biological
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 11, 2021 · Synced Oct 16, 2026, 4:03 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Vaccine Therapy in Treating Patients With Stage IV HLA-A2 and HER2 Positive Breast or Ovarian Cancer Receiving Trastuzumab

NCT00194714
View directory record Official record
Conditions
HER2/Neu Positive, HLA-A2 Positive Cells Present, Stage IV Breast Cancer, Stage IV Ovarian Cancer
Interventions
HER-2/neu Peptide Vaccine, Laboratory Biomarker Analysis
Biological · Other
Lead sponsor
University of Washington
Other
Eligibility
19 Years and older · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 6, 2024 · Synced Oct 16, 2026, 4:03 PM EDT
Active, not recruiting No phase listed Observational

Personalized Detection of ctDNA for Patients With HER2-Positive Metastatic Breast Cancer Patients Who Achieved Durable Response to Anti-HER2 Treatment

NCT06663787
View directory record Official record
Conditions
Breast Cancer, Metastatic, HER2 + Breast Cancer
Interventions
Trastuzumab (Herceptin), SIgnatera
Drug · Diagnostic Test
Lead sponsor
Nagoya City University
Other
Eligibility
20 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Carlos, Texas
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 16, 2026, 4:03 PM EDT
Active, not recruiting Phase 2 Interventional

Secondary BRain Metastases Prevention After Isolated Intracranial Progression on Trastuzumab/Pertuzumab or T-DM1 in Patients With aDvanced Human Epidermal Growth Factor Receptor 2+ brEast Cancer With the Addition of Tucatinib

NCT05323955
View directory record Official record
Conditions
Brain Metastases, Human Epidermal Growth Factor 2 Positive Carcinoma of Breast, Advanced Breast Cancer
Interventions
Trastuzumab, Trastuzumab Emtansine (T-DM1), Pertuzumab, Tucatinib
Drug
Lead sponsor
Carey Anders, M.D.
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
8
States / cities
San Francisco, California • Boston, Massachusetts • Ann Arbor, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Oct 16, 2026, 4:03 PM EDT
Terminated Phase 2 Interventional Results available

Radiation Therapy in Treating Post-Menopausal Women With Early Stage Breast Cancer Undergoing Surgery

NCT01754519
View directory record Official record
Conditions
Ductal Breast Carcinoma In Situ, Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, Invasive Cribriform Breast Carcinoma, Invasive Ductal Carcinoma, Not Otherwise Specified, Lobular Breast Carcinoma In Situ, Mucinous Breast Carcinoma, Papillary Breast Carcinoma, Progesterone Receptor Positive, Stage I Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIC Breast Cancer, Tubular Breast Carcinoma
Interventions
Therapeutic Conventional Surgery, Radiation Therapy, Laboratory Biomarker Analysis, Quality-of-Life Assessment
Procedure · Radiation · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
50 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 7, 2017 · Synced Oct 16, 2026, 4:03 PM EDT
Completed Phase 2 Interventional Results available

S0215 Trastuzumab, Docetaxel, Vinorelbine, and Filgrastim in Treating Women With Stage IV Breast Cancer

NCT00041067
View directory record Official record
Conditions
Breast Cancer
Interventions
filgrastim, trastuzumab, docetaxel, vinorelbine
Biological · Drug
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older · Female only
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2012
U.S. locations
145
States / cities
Mobile, Alabama • Fort Smith, Arkansas • Jonesboro, Arkansas + 89 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2013 · Synced Oct 16, 2026, 4:03 PM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study of Imlunestrant, Investigator's Choice of Endocrine Therapy, and Imlunestrant Plus Abemaciclib in Participants With ER+, HER2- Advanced Breast Cancer

NCT04975308
View directory record Official record
Conditions
Breast Neoplasms, Neoplasm Metastasis
Interventions
Imlunestrant, Exemestane, Fulvestrant, Abemaciclib
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
874 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
48
States / cities
Chandler, Arizona • Gilbert, Arizona • Greenbrae, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Oct 16, 2026, 4:03 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Palbociclib With Everolimus + Exemestane In BC

NCT02871791
View directory record Official record
Conditions
Human Epidermal Growth Factor 2 Negative Carcinoma of Breast, Hormone Receptor (HR)-Positive Breast Cancer
Interventions
Palbociclib, Everolimus, Exemestane
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 29, 2022 · Synced Oct 16, 2026, 4:03 PM EDT
Active, not recruiting Phase 2 Interventional Results available

PD 0332991 and Anastrozole for Stage 2 or 3 Estrogen Receptor Positive and HER2 Negative Breast Cancer

NCT01723774
View directory record Official record
Conditions
Breast Neoplasms
Interventions
PD0332991, Anastrozole, Goserelin, Surgery (standard of care), Tumor biopsy
Drug · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2027
U.S. locations
4
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Rochester, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 16, 2026, 4:03 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Letrozole Plus Ribociclib or Placebo as Neo-adjuvant Therapy in ER-positive, HER2-negative Early Breast Cancer

NCT02712723
View directory record Official record
Conditions
Breast Cancer
Interventions
Letrozole, Ribociclib, Placebo
Drug
Lead sponsor
Qamar Khan
Other
Eligibility
18 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
13
States / cities
Little Rock, Arkansas • Duarte, California • Santa Ana, California + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Oct 16, 2026, 4:03 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Trial of Panobinostat and Trastuzumab for Adult Female Patients With HER2 Positive Metastatic Breast Cancer (MBC) Whose Disease Has Progressed on or After Trastuzumab

NCT00567879
View directory record Official record
Conditions
Breast Cancer
Interventions
Panobinostat, Trastuzumab
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
7
States / cities
Los Angeles, California • Aurora, Colorado • Norwalk, Connecticut + 4 more
Source: ClinicalTrials.gov public record
Updated May 9, 2016 · Synced Oct 16, 2026, 4:03 PM EDT