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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, 10:30 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 181–192 of 678 matching trials for Trastuzumab.
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Recruiting Phase 1Phase 2 Interventional

A Study of Targeted Agents for Patients With Recurrent or Persistent Endometrial Cancer

NCT04486352
View directory record Official record
Conditions
Endometrial Cancer
Interventions
Atezolizumab - 28 Day Cycle, Bevacizumab, Ipatasertib, Talazoparib, Trastuzumab emtansine, Tiragolumab, Atezolizumab - 21 Day Cycle, Inavolisib, Letrozole, Giredestrant, Abemaciclib
Drug
Lead sponsor
Alliance Foundation Trials, LLC.
Other
Eligibility
18 Years and older · Female only
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
21
States / cities
Duarte, California • San Francisco, California • Washington D.C., District of Columbia + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Completed Phase 2 Interventional Results available

A Study of Tucatinib Plus Trastuzumab Deruxtecan in HER2+ Breast Cancer

NCT04539938
View directory record Official record
Conditions
HER2 Positive Breast Cancer
Interventions
tucatinib, trastuzumab deruxtecan
Drug
Lead sponsor
Seagen, a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
140
States / cities
Birmingham, Alabama • Tucson, Arizona • Alhambra, California + 92 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Active, not recruiting Phase 2 Interventional Results available

A Study of T-DXd for the Treatment of Solid Tumors Harboring HER2 Activating Mutations

NCT04639219
View directory record Official record
Conditions
Advanced Solid Tumors With HER2 Mutation,eg:Colorectal,Urothelial,Gastric, Hepatobiliary,Endometrial,Melanoma,Ovarian,Cervical,Salivary Gland,Pancreatic,Breast
Interventions
Trastuzumab deruxtecan
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 120 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
10
States / cities
Santa Rosa, California • Muncie, Indiana • Boston, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Recruiting Phase 1 Interventional

Response Adapted Neoadjuvant Therapy in Gastroesophageal Cancers (RANT-GC Trial)

NCT05733689
View directory record Official record
Conditions
Gastroesophageal Adenocarcinoma
Interventions
FLOT, FOLFOX, FOLFIRI, FOLFIRINOX, PACLITAXEL with or without CARBOPLATIN, DOCETAXEL and IRINOTECAN (alone or combined), NIVOLUMAB (alone or when added to a regimen above), PEMBROLIZUMAB (alone or when added to a regimen above), Durvalumab, Trastuzumab
Combination Product · Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Active, not recruiting Phase 2 Interventional

ARX788 in HER2-positive, Metastatic Breast Cancer Subjects (ACE-Breast-03)

NCT04829604
View directory record Official record
Conditions
HER2 Positive Metastatic Breast Cancer
Interventions
ARX788
Drug
Lead sponsor
Ambrx, Inc.
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
25
States / cities
Los Angeles, California • Newport Beach, California • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Study of Trastuzumab Deruxtecan (T-DXd) vs Investigator's Choice Chemotherapy in HER2-low, Hormone Receptor Positive, Metastatic Breast Cancer

NCT04494425
View directory record Official record
Conditions
Advanced or Metastatic Breast Cancer
Interventions
Trastuzumab deruxtecan, Capecitabine, Paclitaxel, Nab-Paclitaxel
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 105 Years
Enrollment
866 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
27
States / cities
Scottsdale, Arizona • Springdale, Arkansas • Duarte, California + 23 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Recruiting Phase 2 Interventional

Study of HER2 Directed Dendritic Cell (DC1) Vaccine + Weekly Paclitaxel, Trastuzumab & Pertuzumab

NCT05325632
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
HER-2 pulsed DC1, Trastuzumab, Pertuzumab, Paclitaxel, Resection surgery
Biological · Drug · Procedure
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Completed Phase 3 Interventional Results available

DS-8201a in Pre-treated HER2 Breast Cancer That Cannot be Surgically Removed or Has Spread [DESTINY-Breast02]

NCT03523585
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab deruxtecan, Capecitabine, Lapatinib, Trastuzumab
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
608 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
41
States / cities
Chandler, Arizona • Los Angeles, California • Monterey, California + 34 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Active, not recruiting Phase 1 Interventional

Testing the Biological Effects of DS-8201a on Patients With Advanced Cancer

NCT04294628
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Metastatic Malignant Solid Neoplasm, Refractory Malignant Solid Neoplasm, Unresectable Malignant Solid Neoplasm
Interventions
Biopsy Procedure, Biospecimen Collection, Computed Tomography, Echocardiography Test, Magnetic Resonance Imaging, Multigated Acquisition Scan, Trastuzumab Deruxtecan
Procedure · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
6
States / cities
Bethesda, Maryland • Boston, Massachusetts • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Recruiting Phase 3 Interventional

A Phase Ⅲ Clinical Study of HLX22 in Combination With Trastuzumab and Chemotherapy for the Treatment of Gastroesophageal Junction and Gastric Cancer

NCT06532006
View directory record Official record
Conditions
Gastroesophageal-junction Cancer, Monoclonal Antibody, Gastric Cancer, HER2-positive Gastric Cancer
Interventions
HLX22, Pembrolizumab, Trastuzumab, Oxaliplatin, Capecitabine
Drug
Lead sponsor
Shanghai Henlius Biotech
Industry
Eligibility
18 Years and older
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
29
States / cities
Anaheim, California • Los Alamitos, California • Greeley, Colorado + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Tucatinib Plus Trastuzumab and Oxaliplatin-based Chemotherapy or Pembrolizumab-containing Combinations for HER2+ Gastrointestinal Cancers

NCT04430738
View directory record Official record
Conditions
Colorectal Carcinoma, Gastric Adenocarcinoma, GEJ Adenocarcinoma, Esophageal Adenocarcinoma, Cholangiocarcinoma, Gallbladder Carcinoma
Interventions
tucatinib, trastuzumab, oxaliplatin, leucovorin, fluorouracil, capecitabine, pembrolizumab
Drug
Lead sponsor
Seagen, a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
21
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Aurora, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 18, 2026, 10:30 PM EDT
Active, not recruiting Phase 2 Interventional

A Single-arm Phase II Trial of SAcituzumab Govitecan and Trastuzumab for HER2+ Metastatic Breast Cancer After Trastuzumab dEruxtEcaN (SATEEN)

NCT06100874
View directory record Official record
Conditions
Her 2 Positive Breast Cancer, Breast Cancer Female, Breast Cancer Metastatic
Interventions
Sacituzumab Govitecan, Trastuzumab, Trastuzumab and Hyaluronidase-oysk
Drug
Lead sponsor
Adrienne G. Waks
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
4
States / cities
Miami, Florida • Boston, Massachusetts • South Weymouth, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 18, 2026, 10:30 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.