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ClinicalTrials.gov public records Last synced Jun 10, 2026, 7:59 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: HER2 Positive Breast Neoplasms Clear all
Active, not recruiting Not applicable Interventional Results available

Copper Cu 64-DOTA-Trastuzumab PET in Predicting Response to Treatment With Ado-Trastuzumab Emtansine in Patients With Metastatic HER2 Positive Breast Cancer

NCT02226276
View directory record Official record
Conditions
Bone Metastases, HER2-positive Breast Cancer, Liver Metastases, Lung Metastases, Recurrent Breast Cancer, Soft Tissue Metastases, Stage IV Breast Cancer
Interventions
fludeoxyglucose F 18, positron emission tomography, computed tomography, trastuzumab, copper Cu 64-DOTA-trastuzumab, ado-trastuzumab emtansine, laboratory biomarker analysis
Radiation · Procedure · Biological + 1 more
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Jun 10, 2026, 7:59 AM EDT
Completed Phase 3 Interventional Results available

Combination Chemotherapy With or Without Trastuzumab in Treating Women With Breast Cancer

NCT00021255
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Doxorubicin, Cyclophosphamide, Docetaxel, Herceptin, Carboplatin
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 70 Years · Female only
Enrollment
3,222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2014
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 14, 2016 · Synced Jun 10, 2026, 7:59 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
16
States / cities
Duarte, California • Irvine, California • La Jolla, California + 13 more
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jun 10, 2026, 7:59 AM EDT
Terminated Phase 3 Interventional Results available

Aspirin in Preventing Recurrence of Cancer in Patients With HER2 Negative Stage II-III Breast Cancer After Chemotherapy, Surgery, and/or Radiation Therapy

NCT02927249
View directory record Official record
Conditions
Node Positive HER2 Negative Breast Cancer
Interventions
Placebo, Aspirin
Other · Drug
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years to 69 Years
Enrollment
3,021 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1426
States / cities
Birmingham, Alabama • Daphne, Alabama • Mobile, Alabama + 902 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced Jun 10, 2026, 7:59 AM EDT
Active, not recruiting Phase 2 Interventional

Pre-op Pembro + Radiation Therapy in Breast Cancer (P-RAD)

NCT04443348
View directory record Official record
Conditions
Triple Negative Breast Cancer, Hormone Receptor Positive (HR+), HER2-negative Breast Cancer, Biopsy-proven, Positive Lymph Node(s)
Interventions
Radiation Therapy Boost, Pembrolizumab, Paclitaxel, Carboplatin, Cyclophosphamide, Doxorubicin, Capecitabine
Radiation · Drug
Lead sponsor
Laura M. Spring, MD
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
10
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Boston, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jun 10, 2026, 7:59 AM EDT
Recruiting Phase 2 Interventional

Dendritic Cell Vaccines Against Her2/Her3 and Pembrolizumab for the Treatment of Brain Metastasis From Triple Negative Breast Cancer or HER2+ Breast Cancer

NCT04348747
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Malignant Neoplasm in the Brain, Metastatic Triple-Negative Breast Carcinoma, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Anti-HER2/HER3 Dendritic Cell Vaccine, Pembrolizumab
Biological
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Tampa, Florida • Buffalo, New York • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Jun 10, 2026, 7:59 AM EDT
Completed Phase 2 Interventional

An Open-Label Multicenter Phase 2 Window of Opportunity Study Evaluating Ganetespib in Women With Breast Cancer

NCT01677455
View directory record Official record
Conditions
Breast Cancer, HER-2 Positive Breast Cancer, Triple Negative Breast Cancer, ER/Progressive Response (PR) + Refractory to Prior Hormonal Treatment
Interventions
ganetespib
Drug
Lead sponsor
Synta Pharmaceuticals Corp.
Industry
Eligibility
18 Years and older · Female only
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
8
States / cities
Birmingham, Alabama • Altanta, Georgia • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2015 · Synced Jun 10, 2026, 7:59 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 11, 2024 · Synced Jun 10, 2026, 7:59 AM EDT
Active, not recruiting Phase 3 Interventional

Trastuzumab Deruxtecan (T-DXd) With or Without Pertuzumab Versus Taxane, Trastuzumab and Pertuzumab in HER2-positive Metastatic Breast Cancer (DESTINY-Breast09)

NCT04784715
View directory record Official record
Conditions
Breast Cancer; HER2-positive; Metastatic
Interventions
Trastuzumab deruxtecan, Placebo, Taxane, Pertuzumab, Trastuzumab
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
1,157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
30
States / cities
Tucson, Arizona • Springdale, Arkansas • Glendale, California + 25 more
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jun 10, 2026, 7:59 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Clinical Trial of Alpelisb and Tucatinib in Patients With PIK3CA-Mutant HER2+ Metastatic Breast Cancer.

NCT05230810
View directory record Official record
Conditions
HER2-positive Metastatic Breast Cancer
Interventions
Alpelisib, Tucatinib, Fulvestrant
Drug
Lead sponsor
Criterium, Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
4
States / cities
Aurora, Colorado • Fort Collins, Colorado • New Orleans, Louisiana + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jun 10, 2026, 7:59 AM EDT
Completed Phase 2 Interventional Results available

Letrozole in Post-Menopausal Patients With Operable Hormone-Sensitive Breast Cancer

NCT03747042
View directory record Official record
Conditions
Breast Cancer Female
Interventions
Letrozole
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jun 10, 2026, 7:59 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Vaccination of Triple Negative Breast Cancer Patients

NCT02938442
View directory record Official record
Conditions
Triple Negative Breast Cancer, Breast Neoplasms
Interventions
P10s-PADRE with MONTANIDE™ ISA 51 VG, Doxorubicin, Cyclophosphamide, Paclitaxel
Biological · Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
2
States / cities
Fayetteville, Arkansas • Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Jun 10, 2026, 7:59 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 4, 2024 · Synced Jun 10, 2026, 7:59 AM EDT
Completed Phase 1 Interventional

A Study of Multiple Immune and Disease Treatment Combinations in Participants With ER+HER2- Breast Cancer That Has Spread

NCT04132817
View directory record Official record
Conditions
Breast Cancer
Interventions
Nivolumab, Ipilimumab, Nab-paclitaxel
Biological · Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
8
States / cities
Los Angeles, California • Sacramento, California • Aurora, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Jun 10, 2026, 7:59 AM EDT
Recruiting No phase listed Observational

DiviTum®TKa: A Biomarker Assay for Efficacy in HR+ Breast Cancer Patients

NCT06388122
View directory record Official record
Conditions
HER2-negative Breast Cancer, Hormone-receptor-positive Breast Cancer, Metastatic Breast Cancer, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, HER2 Negative Breast Carcinoma, Hormone Receptor Positive Breast Carcinoma, Metastatic Breast Carcinoma
Interventions
Biospecimen Collection
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jun 10, 2026, 7:59 AM EDT
Terminated Phase 2 Interventional Results available

Phase 2 Window Study of SAR439859 (Amcenestrant) Versus Letrozole in Post-menopausal Patients With ER+, HER2- Pre-operative Post-menopausal Primary Breast Cancer

NCT04191382
View directory record Official record
Conditions
Breast Cancer
Interventions
Amcenestrant (SAR439859), Letrozole
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older · Female only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
6
States / cities
Tucson, Arizona • Los Angeles, California • Fort Wayne, Indiana + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Jun 10, 2026, 7:59 AM EDT
Terminated Phase 1Phase 2 Interventional

Vaccine Therapy in Treating Patients With HER2/Neu Positive or Negative Stage IV Breast Cancer or Other HER2/Neu Positive Cancers

NCT00095862
View directory record Official record
Conditions
Breast Cancer, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
allogeneic GM-CSF-secreting breast cancer vaccine, recombinant interferon alfa, cyclophosphamide
Biological · Drug
Lead sponsor
Wiseman Research Initiatives LLC
Industry
Eligibility
18 Years to 120 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
3
States / cities
Glendale, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2018 · Synced Jun 10, 2026, 7:59 AM EDT
Completed Phase 1Phase 2 Interventional

A Study of Samuraciclib and Elacestrant in Participants With Metastatic or Locally Advanced HR+/HER2-negative Breast Cancer

NCT05963997
View directory record Official record
Conditions
Metastatic Breast Cancer, Locally Advanced Breast Cancer, Breast Cancer
Interventions
Samuraciclib, Elacestrant Dihydrochloride
Drug
Lead sponsor
Carrick Therapeutics Limited
Industry
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
5
States / cities
Chicago, Illinois • Boston, Massachusetts • Cleveland, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Jun 10, 2026, 7:59 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Herceptin® (Trastuzumab) in Combination With Arimidex® (Anastrozole) an Aromatase Inhibitor Compared to Arimidex® Alone in Patients With Metastatic Breast Cancer

NCT00022672
View directory record Official record
Conditions
Breast Cancer
Interventions
trastuzumab (Herceptin®), anastrazole (Arimidex®)
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older · Female only
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2009
U.S. locations
20
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2013 · Synced Jun 10, 2026, 7:59 AM EDT
Not listed Phase 1 Interventional

A Study of SBT6050 Alone and in Combination With PD-1 Inhibitors in Subjects With Advanced HER2 Expressing Solid Tumors

NCT04460456
View directory record Official record
Conditions
HER2 Positive Solid Tumors
Interventions
SBT6050, pembrolizumab, Cemiplimab
Drug
Lead sponsor
Silverback Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
6
States / cities
Boston, Massachusetts • Durham, North Carolina • Pittsburgh, Pennsylvania + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Jun 10, 2026, 7:59 AM EDT
Recruiting Phase 2 Interventional

A Vaccine (STEMVAC) With Standard Endocrine-Based Therapy or Chemotherapy for the Treatment of Metastatic Hormone Receptor Positive, HER2 Negative Breast Cancer

NCT07112053
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 Jun 10, 2026, 7:59 AM EDT
Completed Not applicable Interventional

T-Cell Response in Patients Receiving Trastuzumab and/or Chemotherapy for HER2-Positive Solid Tumors

NCT00433407
View directory record Official record
Conditions
Breast Cancer, Lung Cancer, Ovarian Cancer, Prostate Cancer, Sarcoma, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
trastuzumab
Biological
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2012 · Synced Jun 10, 2026, 7:59 AM EDT
Recruiting Phase 3 Interventional

Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast Cancer

NCT06982521
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 Jun 10, 2026, 7:59 AM EDT
Terminated Phase 2 Interventional Results available

Phase II Study of Eribulin Mesylate, Trastuzumab, and Pertuzumab in Women With Metastatic, Unresectable Locally Advanced, or Locally Recurrent HER2-Positive Breast Cancer

NCT01912963
View directory record Official record
Conditions
HER2-positive Breast Cancer, Metastatic Breast Cancer
Interventions
Pertuzumab, Trastuzumab, eribulin
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 4, 2018 · Synced Jun 10, 2026, 7:59 AM EDT