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Showing 1–24 of 841 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: HER2 Positive Breast Neoplasms Clear all
Terminated No phase listed Observational

HER-Seq: A Blood-based Screening Study to Identify Patients With HER2 Mutations for Enrollment Into Clinical Research Studies of Neratinib

NCT03786107
View directory record Official record
Conditions
Hormone Receptor-Positive, HER2-Negative Metastatic Breast Cancer, Metastatic Cervical Cancer
Interventions
Almac HER-Seq Assay
Diagnostic Test
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,583 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 18, 2021 · Synced Jun 10, 2026, 4:13 AM EDT
Active, not recruiting Phase 1 Interventional

A First in Human Dose Escalation of Dendritic Cell Vaccine (DCV)

NCT05809752
View directory record Official record
Conditions
Leptomeningeal Disease, Triple Negative Breast Cancer, HER2-positive Breast Cancer
Interventions
Dendritic Cell Vaccine
Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jun 10, 2026, 4:13 AM EDT
Completed Phase 1 Interventional

A Study of PDR001 in Combination With CJM112, EGF816, Ilaris® (Canakinumab) or Mekinist® (Trametinib)

NCT02900664
View directory record Official record
Conditions
Colorectal Cancer, Triple Negative Breast Cancer, NSCLC - Adenocarcinoma
Interventions
PDR001, ACZ885, CJM112, TMT212, EGF816
Biological · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
283 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
4
States / cities
Baltimore, Maryland • Boston, Massachusetts • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Jun 10, 2026, 4:13 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Tamoxifen Citrate or Z-Endoxifen Hydrochloride in Treating Patients With Locally Advanced or Metastatic, Estrogen Receptor-Positive, HER2-Negative Breast Cancer

NCT02311933
View directory record Official record
Conditions
Recurrent Breast Carcinoma, Stage III Breast Cancer AJCC v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Endoxifen Hydrochloride, Laboratory Biomarker Analysis, Pharmacological Study, Tamoxifen Citrate
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
561
States / cities
Mobile, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 357 more
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Jun 10, 2026, 4:13 AM EDT
Recruiting Phase 2 Interventional

Study of Belzutifan (MK-6482) Plus Fulvestrant for ER+/HER2- Metastatic Breast Cancer (MK-6482-029/LITESPARK-029)

NCT06428396
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Belzutifan, Fulvestrant, Everolimus, Exemestane
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
14
States / cities
Goodyear, Arizona • Beverly Hills, California • La Jolla, California + 11 more
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jun 10, 2026, 4:13 AM EDT
Completed Phase 3 Interventional Results available

A Study of Pertuzumab in Addition to Chemotherapy and Trastuzumab as Adjuvant Therapy in Participants With Human Epidermal Growth Receptor 2 (HER2)-Positive Primary Breast Cancer

NCT01358877
View directory record Official record
Conditions
Breast Cancer
Interventions
5-Fluorouracil, Carboplatin, Cyclophosphamide, Docetaxel, Doxorubicin, Epirubicin, Paclitaxel, Pertuzumab, Placebo, Trastuzumab
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
4,804 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2024
U.S. locations
114
States / cities
Scottsdale, Arizona • Everett, California • Greenbrae, California + 92 more
Source: ClinicalTrials.gov public record
Updated Nov 27, 2025 · Synced Jun 10, 2026, 4:13 AM EDT
Completed Phase 2 Interventional Results available

Study Evaluating Neratinib Versus Lapatinib Plus Capecitabine For ErbB2 Positive Advanced Breast Cancer

NCT00777101
View directory record Official record
Conditions
Advanced Breast Cancer, Breast Cancer
Interventions
Neratinib, Lapatinib, Capecitabine
Drug
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
44
States / cities
Tucson, Arizona • Murrieta, California • Orange, California + 40 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2018 · Synced Jun 10, 2026, 4:13 AM EDT
Completed Phase 3 Interventional Results available

Chemotherapy With or Without Trastuzumab After Surgery in Treating Women With Invasive Breast Cancer

NCT01275677
View directory record Official record
Conditions
HER2/Neu Positive, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7
Interventions
Cyclophosphamide, Docetaxel, Doxorubicin, Doxorubicin Hydrochloride, Laboratory Biomarker Analysis, Paclitaxel, Quality-of-Life Assessment, Trastuzumab
Drug · Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
3,270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1259
States / cities
Anniston, Alabama • Mobile, Alabama • Anchorage, Alaska + 797 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced Jun 10, 2026, 4:13 AM EDT
Recruiting Phase 2 Interventional

A Phase 2 Single-Arm Open-Label Pilot Trial Evaluating Zanidatamab (ZW25) in Patients With Early Stage HER2/Neu Positive (HER2+) Breast Cancer (BC)

NCT05035836
View directory record Official record
Conditions
Breast Cancer, HER2-positive
Interventions
Zanidatamab, Letrozole, Tamoxifen
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jun 10, 2026, 4:13 AM EDT
Completed Phase 1 Interventional

Phase Ib, Dose Escalation Study of Oral LDE225 in Combination With BKM120 in Patients With Advanced Solid Tumors

NCT01576666
View directory record Official record
Conditions
Dose Escalation, Safety, Preliminary Efficacy, Advanced Solid Tumors, Metastatic Breast Cancer, Advanced Pancreatic Adenocarcinoma, Metastatic Colorectal Cancer, Recurrent Glioblastoma Multiforme, Gastric Cancer, Gastroesophageal Junction Cancer, Triple Negative Metastatic Breast Cancer, Hormone Receptor Positive (ER+/PR+, and Her2-) Metastatic Breast Cancer
Interventions
LDE225, BKM120
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
13
States / cities
Los Angeles, California • San Francisco, California • Tampa, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2020 · Synced Jun 10, 2026, 4:13 AM EDT
Recruiting Phase 2 Interventional

A Phase 2 Neoadjuvant Study of Zanidatamab in Combination With Chemotherapy in Participants With HER2-positive Breast Cancer

NCT07102381
View directory record Official record
Conditions
HER2-positive Breast Cancer, Breast Cancer
Interventions
Zanidatamab, Paclitaxel, Docetaxel, Carboplatin, Trastuzumab, Pertuzumab
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
22
States / cities
Long Beach, California • Denver, Colorado • Lakeland, Florida + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jun 10, 2026, 4:13 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study of T-DXd in Participants With or Without Brain Metastasis Who Have Previously Treated Advanced or Metastatic HER2 Positive Breast Cancer

NCT04739761
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab Deruxtecan
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
506 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Jun 10, 2026, 4:13 AM EDT
Approved For Marketing No phase listed Expanded access

An Expanded Access Study to Provide at Home Subcutaneous Administration of Pertuzumab and Trastuzumab Fixed-Dose Combination (PH FDC SC) for Patients With HER2-Positive Breast Cancer During the COVID-19 Pandemic

NCT04395508
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Pertuzumab and Trastuzumab Fixed-Dose Combination for Subcutaneous Administration (PH FDC SC)
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
12
States / cities
Beverly Hills, California • San Francisco, California • Stanford, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2022 · Synced Jun 10, 2026, 4:13 AM EDT
Active, not recruiting Phase 2 Interventional

Clinical Trial of Atezolizumab With Paclitaxel, Trastuzumab, and Pertuzumab in Patients With Metastatic HER-2 Positive Breast Cancer

NCT03125928
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Atezolizumab, Paclitaxel, Trastuzumab, Pertuzumab
Drug
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jun 10, 2026, 4:13 AM EDT
Completed Phase 2 Interventional Results available

Randomized Phase II Trial of Letrozole With or Without Dasatinib as First and Second-line Treatment for Hormone Receptor-positive, HER2-negative Post-menopausal Breast Cancer That is Unresectable, Locally Recurrent or Metastatic

NCT00696072
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Dasatinib, Letrozole
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
27
States / cities
Sedona, Arizona • Tucson, Arizona • Denver, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2016 · Synced Jun 10, 2026, 4:13 AM EDT
Active, not recruiting Phase 3 Interventional

A Study of Trastuzumab Deruxtecan (T-DXd) Versus Trastuzumab Emtansine (T-DM1) in High-risk HER2-positive Participants With Residual Invasive Breast Cancer Following Neoadjuvant Therapy (DESTINY-Breast05)

NCT04622319
View directory record Official record
Conditions
HER2-Positive Primary Breast Cancer, Residual Invasive Breast Cancer
Interventions
DS-8201a, T-DM1
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
1,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
126
States / cities
Anaheim, California • Baldwin Park, California • Bellflower, California + 94 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jun 10, 2026, 4:13 AM EDT
Terminated Phase 2 Interventional Results available

Trial of BDC-1001 +/- Pertuzumab in Subjects With HER2-Positive Metastatic Breast Cancer

NCT05954143
View directory record Official record
Conditions
Metastatic Breast Cancer, HER2-positive Breast Cancer
Interventions
BDC-1001, Pertuzumab
Drug
Lead sponsor
Bolt Biotherapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
3
States / cities
Irvine, California • New York, New York • Arlington, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Jun 10, 2026, 4:13 AM EDT
Active, not recruiting Phase 2 Interventional

Clinical Trial Assessing the Safety of Neoadjuvant Palbociclib in Combination With Endocrine Therapy

NCT05069038
View directory record Official record
Conditions
Breast Cancer
Interventions
Palbociclib 125mg
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older · Female only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2032
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced Jun 10, 2026, 4:13 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Study to Evaluate Safety, Tolerability, Dosimetry, and Preliminary Efficacy of the HER2 Directed Radioligand CAM-H2 in Patients With Advanced/Metastatic HER2-Positive Breast, Gastric, and Gastro-Esophageal Junction (GEJ) Cancer

NCT04467515
View directory record Official record
Conditions
Advanced/Metastatic HER2-positive Breast, Gastric, Gastroesophageal Junction Cancer With Disease Progression Following Anti-HER2 Standard of Care Treatment
Interventions
CAM-H2
Drug
Lead sponsor
Precirix
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
9
States / cities
Duarte, California • Stanford, California • Washington D.C., District of Columbia + 6 more
Source: ClinicalTrials.gov public record
Updated May 5, 2025 · Synced Jun 10, 2026, 4:13 AM EDT
Active, not recruiting Phase 1 Interventional

Testing the Addition of an Anti-cancer Drug, Berzosertib, to the Usual Treatment (Radiation Therapy) for Chemotherapy-Resistant Triple-Negative and Estrogen and/or Progesterone Receptor Positive, HER2 Negative Breast Cancer

NCT04052555
View directory record Official record
Conditions
Bilateral Breast Carcinoma, HER2-Negative Breast Carcinoma, Localized Breast Carcinoma, Recurrent Breast Carcinoma, Triple-Negative Breast Carcinoma
Interventions
Berzosertib, Biospecimen Collection, Quality-of-Life Assessment, Questionnaire Administration, Radiation Therapy
Drug · Procedure · Other + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
14
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Sacramento, California + 10 more
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jun 10, 2026, 4:13 AM EDT
Completed Phase 2 Interventional Results available

Neoadjuvant Chemotherapy + Herceptin in HER2 Positive Stage II-III Breast Cancer Patients

NCT00270894
View directory record Official record
Conditions
Breast Neoplasm
Interventions
epirubicin, cyclophosphamide, docetaxel, trastuzumab
Drug
Lead sponsor
Accelerated Community Oncology Research Network
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
7
States / cities
Miami, Florida • Augusta, Georgia • Macon, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2012 · Synced Jun 10, 2026, 4:13 AM EDT
Terminated Not applicable Interventional

PET/CT in Evaluating Response to Chemotherapy in Patients With Breast Cancer

NCT01712815
View directory record Official record
Conditions
HER2-positive Breast Cancer, Recurrent Breast Cancer, Stage IA Breast Cancer, Stage IB Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
laboratory biomarker analysis, pharmacological study, questionnaire administration, fluorine F 18-clevudine, positron emission tomography/computed tomography
Other · Radiation · Procedure
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Jun 10, 2026, 4:13 AM EDT
Terminated Phase 1Phase 2 Interventional

PTX-200, Paclitaxel, Doxorubicin Hydrochloride, and Cyclophosphamide in Treating Patients With Stage IIB-IV Breast Cancer

NCT01697293
View directory record Official record
Conditions
Breast Adenocarcinoma, Estrogen Receptor Positive, HER2/Neu Negative, Recurrent Breast Carcinoma, Stage IIB Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
Cyclophosphamide, Doxorubicin Hydrochloride, Laboratory Biomarker Analysis, Paclitaxel, Therapeutic Conventional Surgery, Triciribine Phosphate
Drug · Other · Procedure
Lead sponsor
Prescient Therapeutics, Ltd.
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
2
States / cities
Tampa, Florida • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Jun 10, 2026, 4:13 AM EDT
Completed Phase 1 Interventional

ARRY-380 + Trastuzuamab for Breast w/ Brain Mets

NCT01921335
View directory record Official record
Conditions
Brain Metastases From HER2 and Breast Cancer, Advanced HER2-positive Breast Cancer
Interventions
ARRY-380 Twice Daily Dosage, ARRY-380 Once Daily, Trastuzumab
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Jun 10, 2026, 4:13 AM EDT