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Trastuzumab clinical trials

Directory of U.S. ClinicalTrials.gov public records that list Trastuzumab as a study intervention. Browse Trastuzumab recruiting trials, filter by phase, sponsor, or location, and open the official ClinicalTrials.gov study record for each result.

ClinicalTrials.gov public records Last synced Oct 18, 2026, 6:51 PM EDT

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

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Trastuzumab
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Showing 145–156 of 678 matching trials for Trastuzumab.
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Recruiting Phase 1Phase 2 Interventional

ERADICATE: A Phase Ib/II Study of Elacestrant Plus Trastuzumab Deruxtecan in Patients With CDK4/6 Inhibitor and Endocrine-resistant HR+/HER2-low or HER2-ultralow Metastatic Breast Cancer

NCT07198724
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
Kristina A. Fanucci
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 Jun 10, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Completed Phase 2 Interventional Results available

Pertuzumab, Trastuzumab, Hyaluronidase-zzxf and Enzalutamide for Treatment of Metastatic Castration-Resistant Prostate Cancer

NCT05730712
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Stage IVB Prostate Cancer AJCC v8
Interventions
Biopsy, Biospecimen Collection, Computed Tomography, Echocardiography, Enzalutamide, Hyaluronidase-zzxf/Pertuzumab/Trastuzumab, Magnetic Resonance Imaging, Questionnaire Administration
Procedure · Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Terminated Phase 2 Interventional Results available

A Trial To Find Out If Vidutolimod Together With Cemiplimab Is Safe And If It Works In Adult Participants With Advanced Cancer Or Metastatic Cancer

NCT04916002
View directory record Official record
Conditions
Merkel Cell Carcinoma, Cutaneous Squamous Cell Carcinoma, Basal Cell Carcinoma, Triple Negative Breast Cancer, Non-Small Cell Lung Cancer, Oropharynx Squamous Cell Carcinoma
Interventions
vidutolimod, cemiplimab
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
20
States / cities
Birmingham, Alabama • Duarte, California • La Jolla, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Active, not recruiting Phase 1 Interventional

Xenogeneic HER2/Neu DNA Immunization for Patients With Metastatic and High Risk Breast Cancer: A Phase I Study to Assess Safety and Immunogenicity

NCT00393783
View directory record Official record
Conditions
Breast Cancer
Interventions
MAB HER 2 (HERCEPTIN)
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Recruiting Not applicable Interventional

Optimization of Cardiac Imaging in Women With Early-Stage Breast Cancer

NCT07630402
View directory record Official record
Conditions
Breast Cancer With Low to Intermediate HER2 Expression
Interventions
Echocardiogram
Procedure
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 79 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Recruiting No phase listed Observational

Generation of Heart Muscle Cells From Blood or Skin Cells of Breast Cancer Patients

NCT02772367
View directory record Official record
Conditions
Breast Cancer
Interventions
skin punch biopsy
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Completed Phase 3 Interventional Results available

Radiation Therapy, Paclitaxel, and Carboplatin With or Without Trastuzumab in Treating Patients With Esophageal Cancer

NCT01196390
View directory record Official record
Conditions
Esophageal Adenocarcinoma, Gastroesophageal Junction Adenocarcinoma, Stage IB Esophageal Cancer AJCC v7, Stage IIA Esophageal Cancer AJCC v7, Stage IIB Esophageal Cancer AJCC v7, Stage IIIA Esophageal Cancer AJCC v7, Stage IIIB Esophageal Cancer AJCC v7
Interventions
Carboplatin, Laboratory Biomarker Analysis, Paclitaxel, Quality-of-Life Assessment, Radiation Therapy, Therapeutic Conventional Surgery, Trastuzumab
Drug · Other · Radiation + 2 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2023
U.S. locations
634
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 407 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Terminated Phase 3 Interventional Results available

Testing the Drug Atezolizumab or Placebo With Usual Therapy in First-Line HER2-Positive Metastatic Breast Cancer

NCT03199885
View directory record Official record
Conditions
Metastatic Breast Adenocarcinoma, Metastatic HER2-Positive Breast Carcinoma, Recurrent Breast Adenocarcinoma, Recurrent HER2-Positive Breast Carcinoma, Stage III Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7, Unresectable Breast Carcinoma, Unresectable HER2-Positive Breast Carcinoma
Interventions
Atezolizumab, Biopsy, Bone Scan, Computed Tomography, Docetaxel, Magnetic Resonance Imaging, Paclitaxel, Pertuzumab, Placebo Administration, Quality-of-Life Assessment, Trastuzumab
Drug · Procedure · Biological + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
662
States / cities
Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 506 more
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Recruiting Phase 1Phase 2 Interventional

Elacestrant in Advanced Triple Positive Breast Cancer

NCT07612215
View directory record Official record
Conditions
ER Positive, HER2 Positive Breast Cancer
Interventions
Elacestrant, Trastuzumab, Pertuzumab
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Terminated Phase 2 Interventional Results available

GDC-0084 in Combination With Trastuzumab for Patients With HER2-Positive Breast Cancer Brain Metastases

NCT03765983
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab, GDC-0084
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Radiation Therapy Followed by Intrathecal Trastuzumab/Pertuzumab in HER2+ Breast Leptomeningeal Disease

NCT04588545
View directory record Official record
Conditions
HER2-positive Breast Cancer, Leptomeningeal Metastasis, Leptomeningeal Disease
Interventions
Radiation Therapy, Pertuzumab, Trastuzumab
Radiation · Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
2
States / cities
Tampa, Florida • Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 18, 2026, 6:51 PM EDT
Recruiting No phase listed Observational

Efficacy of Trastuzumab Deruxtecan in Metastatic Breast Cancer With Different HER2 Expression Patterns

NCT06551220
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Trastuzumab Deruxtecan
Drug
Lead sponsor
Sun Yat-sen University
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
New Haven, Connecticut • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 18, 2026, 6:51 PM EDT

About this Trastuzumab clinical trials directory page

What this page lists
U.S. ClinicalTrials.gov public records that list Trastuzumab as a study intervention, including recruiting, not yet recruiting, and active not recruiting trials.
How to narrow results
Use the filters above to scope by condition, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Trastuzumab.
Where the data comes from
Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, ranking of trials by quality, or AI-generated medical summaries.

Related: all therapy pages, browse by condition, browse by U.S. city, browse by sponsor, or open the full search for Trastuzumab.