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ClinicalTrials.gov public records Last synced Oct 17, 2026, 5:24 AM EDT

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Showing 817–840 of 1,133 matching trials from the live ClinicalTrials.gov search.
Filters: "HER2-positive" Condition: Breast Cancer Clear all
Active, not recruiting Phase 3 Interventional Results available

Exemestane With or Without Entinostat in Treating Patients With Recurrent Hormone Receptor-Positive Breast Cancer That is Locally Advanced or Metastatic

NCT02115282
View directory record Official record
Conditions
Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Breast Adenocarcinoma, HER2/Neu Negative, Locally Advanced Breast Carcinoma, Metastatic Breast Carcinoma, Recurrent Breast Carcinoma
Interventions
Biospecimen Collection, Computed Tomography, Entinostat, Exemestane, Goserelin, Goserelin Acetate, Magnetic Resonance Imaging, Placebo Administration, Quality-of-Life Assessment
Procedure · Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
608 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
652
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Carmichael, California + 460 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 17, 2026, 5:24 AM EDT
Terminated Phase 1Phase 2 Interventional

Palbociclib in Estrogen Receptor Positive (ER+) Human Epidermal Growth Factor Receptor 2 Positive (HER2+) Metastatic Breast Cancer

NCT03709082
View directory record Official record
Conditions
HER2-positive Breast Cancer, Breast Cancer Metastatic
Interventions
Palbociclib 75mg, Letrozole 2.5mg, T-DM1, Palbociclib 100mg, Palbociclib 125mg, Palbociclib
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
5
States / cities
Kansas City, Kansas • Overland Park, Kansas • Kansas City, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Oct 17, 2026, 5:24 AM EDT
Not listed Phase 2 Interventional

Alpelisib, Fulvestrant and Dapagliflozin for the Treatment of HR+, HER2 -, PIK3CA Mutant Metastatic Breast Cancer

NCT05025735
View directory record Official record
Conditions
Metastatic Breast Cancer, HER2-negative Breast Cancer
Interventions
Dapagliflozin 10Mg Tab
Drug
Lead sponsor
Saint Luke's Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 19, 2021 · Synced Oct 17, 2026, 5:24 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Digital Tomosynthesis Mammography and Digital Mammography in Screening Patients for Breast Cancer

NCT03233191
View directory record Official record
Conditions
Breast Screening
Interventions
Digital Mammography, Digital Tomosynthesis Mammography, Laboratory Biomarker Analysis
Procedure · Other
Lead sponsor
ECOG-ACRIN Cancer Research Group
Network
Eligibility
45 Years to 74 Years · Female only
Enrollment
108,508 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2029
U.S. locations
133
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 107 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 17, 2026, 5:24 AM EDT
Terminated Phase 2 Interventional Results available

Basket Study of Neratinib in Participants With Solid Tumors Harboring Somatic HER2 or EGFR Exon 18 Mutations

NCT01953926
View directory record Official record
Conditions
Solid Tumors Harboring Somatic HER2 or EGFR Exon 18 Mutations
Interventions
Neratinib, Fulvestrant, Trastuzumab, Paclitaxel
Drug
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
582 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
30
States / cities
Birmingham, Alabama • Phoenix, Arizona • Duarte, California + 26 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 17, 2026, 5:24 AM EDT
Terminated Phase 1 Interventional Results available

Dose Escalation and Expansion Study of GSK525762 in Combination With Fulvestrant in Participants With Hormone Receptor-positive (HR+)/Human Epidermal Growth Factor Receptor 2 Negative (HER2-) Advanced or Metastatic Breast Cancer

NCT02964507
View directory record Official record
Conditions
Neoplasms
Interventions
GSK525762, Placebo, Fulvestrant
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older · Female only
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
15
States / cities
Birmingham, Alabama • Gilbert, Arizona • Scottsdale, Arizona + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 29, 2024 · Synced Oct 17, 2026, 5:24 AM EDT
Recruiting Phase 1 Interventional

A Study With NKT5097 for Adults With Advanced/Metastatic Solid Tumors

NCT07029399
View directory record Official record
Conditions
HR+ Breast Cancer, Triple Negative Breast Cancer (TNBC), CCNE1 Amplified Advanced Solid Tumors, HR+ HER2- Breast Cancer
Interventions
NKT5097 CDK2/CDK4 dual degrader, Fulvestrant, Letrozole
Drug
Lead sponsor
NiKang Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
361 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
18
States / cities
Duarte, California • La Jolla, California • Denver, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Study Evaluating Neratinib (HKI-272) In Combination With Vinorelbine In Subjects With Solid Tumors And Metastatic Breast Cancer

NCT00706030
View directory record Official record
Conditions
Breast Cancer, Advanced Malignant Solid Tumors
Interventions
neratinib, vinorelbine
Drug
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
8
States / cities
Fayetteville, Arkansas • Duarte, California • Lebanon, New Hampshire + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2018 · Synced Oct 17, 2026, 5:24 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

T-DM1 Alone Versus T-DM1 and Metronomic Temozolomide in Secondary Prevention of HER2-Positive Breast Cancer Brain Metastases Following Stereotactic Radiosurgery

NCT03190967
View directory record Official record
Conditions
Breast Cancer, Brain Metastasis, Brain Cancer
Interventions
T-DM1, TMZ
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 1 Interventional

Vaccine Therapy in Treating Patients With Metastatic Solid Tumors

NCT01376505
View directory record Official record
Conditions
Malignant Solid Tumour, Breast Cancer, Malignant Tumor of Colon, GIST, Ovarian Cancer
Interventions
HER-2 vaccine, Extension HER-2 vaccine trial at OBD
Biological
Lead sponsor
Robert Wesolowski
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 1 Interventional

A Study To Assess The Tolerability And Clinical Activity Of Gedatolisib In Combination With Palbociclib/Letrozole Or Palbociclib/Fulvestrant In Women With Metastatic Breast Cancer

NCT02684032
View directory record Official record
Conditions
Breast Cancer
Interventions
Gedatolisib, Palbociclib, Letrozole, Fulvestrant
Drug
Lead sponsor
Celcuity Inc
Industry
Eligibility
18 Years and older · Female only
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
41
States / cities
Birmingham, Alabama • Corona, California • Fountain Valley, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy Study of Sapanisertib in Combination With Exemestane or Fulvestrant in Postmenopausal Women With Estrogen Receptor Positive/Human Epidermal Growth Factor Receptor 2 Negative (ER+/HER2-) Metastatic Breast Cancer

NCT02049957
View directory record Official record
Conditions
Breast Cancer
Interventions
Sapanisertib, Fulvestrant, Exemestane
Drug
Lead sponsor
Calithera Biosciences, Inc
Industry
Eligibility
18 Years and older · Female only
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
30
States / cities
Los Angeles, California • San Francisco, California • Santa Barbara, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 17, 2026, 5:24 AM EDT
Terminated Phase 2 Interventional Results available

Palbociclib in Treating Patients With Metastatic HER-2 Positive Breast Cancer With Brain Metastasis

NCT02774681
View directory record Official record
Conditions
Breast Carcinoma Metastatic in the Brain, Estrogen Receptor Negative, HER2/Neu Negative, HER2/Neu Positive, Progesterone Receptor Negative, Recurrent Breast Carcinoma, Stage IV Breast Cancer
Interventions
Cognitive Assessment, Palbociclib, Quality-of-Life Assessment, Trastuzumab
Procedure · Drug · Biological
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
3
States / cities
Chicago, Illinois • Lake Forest, Illinois • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Oct 17, 2026, 5:24 AM EDT
Active, not recruiting Not applicable Interventional

A Pilot Study of Tomographic Optical Breast Imaging (DBT-TOBI) to Monitor Response to Neoadjuvant Therapy

NCT03822312
View directory record Official record
Conditions
Breast Cancer
Interventions
DBT-TOBI, MRI-TOBI
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 2 Interventional

Docetaxel, Carboplatin, and Trastuzumab and/or Lapatinib in Treating Women With Stage I, Stage II, or Stage III Breast Cancer That Can Be Removed by Surgery

NCT00769470
View directory record Official record
Conditions
Breast Cancer
Interventions
trastuzumab, carboplatin, docetaxel, lapatinib ditosylate
Biological · Drug
Lead sponsor
Translational Oncology Research International
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
15
States / cities
Alhambra, California • Bakersfield, California • Fullerton, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 22, 2016 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 2 Interventional Results available

Capecitabine and Lapatinib Ditosylate With or Without Cixutumumab in Treating Patients With Previously Treated HER2-Positive Stage IIIB-IV Breast Cancer

NCT00684983
View directory record Official record
Conditions
HER2 Positive Breast Carcinoma, Recurrent Breast Carcinoma, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Capecitabine, Cixutumumab, Lapatinib Ditosylate, Quality-of-Life Assessment
Drug · Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2019
U.S. locations
390
States / cities
Mobile, Alabama • Scottsdale, Arizona • Berkeley, California + 274 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Oct 17, 2026, 5:24 AM EDT
Recruiting Phase 3 Interventional

Trastuzumab Deruxtecan (T-DXd) in Patients Who Have Hormone Receptor-negative and Hormone Receptor-positive HER2-low or HER2 IHC 0 Metastatic Breast Cancer

NCT05950945
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab Deruxtecan
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
5
States / cities
Miami Beach, Florida • Tampa, Florida • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 2 Interventional Results available

Palbociclib in Combination With Tamoxifen as First Line Therapy for Metastatic Hormone Receptor Positive Breast Cancer

NCT02668666
View directory record Official record
Conditions
Hormone Receptor Positive Malignant Neoplasm of Breast, Human Epidermal Growth Factor 2 Negative Carcinoma of Breast, Estrogen Receptor Positive Breast Cancer, Progesterone Receptor Positive Tumor, Metastatic Breast Cancer
Interventions
Palbociclib, Tamoxifen
Drug
Lead sponsor
Oana Danciu, MD
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
7
States / cities
Chicago, Illinois • Lansing, Michigan • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 2 Interventional

Impact of Endocrine Therapy and Abemaciclib on Host and Tumor Immune Cell Repertoire/Function in Advanced ER+/HER2- Breast Cancer

NCT04352777
View directory record Official record
Conditions
Metastatic Breast Cancer, Locally Advanced Breast Cancer, Hormone Receptor Positive Tumor
Interventions
Abemaciclib, Fulvestrant, Aromatase Inhibitors
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 20, 2025 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 1 Interventional

Clinical Trial of the Combination of Intravenous Alvespimycin (KOS-1022), Trastuzumab With or Without Paclitaxel in Patients With Advanced Solid Tumor Malignancies or Her2 Positive Metastatic Breast Cancer Who Have Previously Failed Trastuzumab Therapy

NCT00803556
View directory record Official record
Conditions
Solid Tumor, Breast Cancer
Interventions
Alvespimycin, Trastuzumab, Paclitaxel
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Indianapolis, Indiana • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 27, 2011 · Synced Oct 17, 2026, 5:24 AM EDT
Recruiting Phase 3 Interventional

BGB-43395 Plus Letrozole Versus CDK4/6i Plus Letrozole for Patients With Advanced or Metastatic HR+/HER2- Breast Cancer Who Have Not Received Prior Treatment for Advanced or Metastatic Disease

NCT07492641
View directory record Official record
Conditions
HR+/HER2- Breast Cancer
Interventions
BGB-43395, Letrozole, Abemaciclib, Palbociclib, Ribociclib
Drug
Lead sponsor
BeOne Medicines
Industry
Eligibility
18 Years and older
Enrollment
1,056 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2037
U.S. locations
71
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 66 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 1 Interventional

A Safety and Immunology Study of a Modified Vaccinia Vaccine for HER-2(+) Metastatic Breast Cancer

NCT00485277
View directory record Official record
Conditions
Breast Cancer
Interventions
MVA-BN-HER2
Biological
Lead sponsor
Bavarian Nordic
Industry
Eligibility
18 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
2
States / cities
Berkeley, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 14, 2019 · Synced Oct 17, 2026, 5:24 AM EDT
Completed Phase 1 Interventional Results available

This Study in Patients With Different Types of Cancer (Solid Tumours) Aims to Find a Safe Dose of Xentuzumab in Combination With Abemaciclib With or Without Hormonal Therapies. The Study Also Tests How Effective These Medicines Are in Patients With Lung and Breast Cancer

NCT03099174
View directory record Official record
Conditions
Neoplasms, Breast Neoplasms
Interventions
Xentuzumab, Abemaciclib, Letrozole, Anastrozole, Fulvestrant
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
6
States / cities
Santa Monica, California • New Haven, Connecticut • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced Oct 17, 2026, 5:24 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 17, 2026, 5:24 AM EDT