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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Trastuzumab Clear all
Completed No phase listed Observational

Real-world Outcomes of Patients With HER2+ Metastatic Breast Cancer After Treatment With Trastuzumab Deruxtecan

NCT06833268
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
No drug
Other
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 7, 2025 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 3 Interventional Results available

A Study To Evaluate the Efficacy and Safety Of Atezolizumab or Placebo in Combination With Neoadjuvant Doxorubicin + Cyclophosphamide Followed By Paclitaxel + Trastuzumab + Pertuzumab In Early Her2-Positive Breast Cancer

NCT03726879
View directory record Official record
Conditions
Breast Cancer
Interventions
Atezolizumab, Placebo, Doxorubicin, Cyclophosphamide, Paclitaxel, Trastuzumab, Pertuzumab, Trastuzumab Emtansine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
454 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
3
States / cities
Kansas City, Missouri • New York, New York • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 4, 2024 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 2 Interventional Results available

Docetaxel and Carboplatin With or Without Trastuzumab Before Surgery in Treating Women With Locally Advanced Breast Cancer

NCT00068341
View directory record Official record
Conditions
Breast Cancer
Interventions
trastuzumab, carboplatin, docetaxel
Biological · Drug
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
4
States / cities
Little Rock, Arkansas • Los Angeles, California • Pomona, California
Source: ClinicalTrials.gov public record
Updated Sep 8, 2020 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 3 Interventional Results available

LUX-Breast 1: BIBW 2992 (Afatinib) in HER2-positive Metastatic Breast Cancer Patients After One Prior Herceptin Treatment

NCT01125566
View directory record Official record
Conditions
Breast Neoplasms
Interventions
BIBW 2992, trastuzumab, vinorelbine
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older · Female only
Enrollment
508 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
14
States / cities
Birmingham, Alabama • Chandler, Arizona • Fountain Valley, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Jun 25, 2026, 9:09 PM EDT
Recruiting Phase 1 Interventional

HER2 Vaccine for Locally Advanced Breast Cancer

NCT06949410
View directory record Official record
Conditions
Breast Cancer, HER2-positive Breast Cancer
Interventions
HER2 Vaccine
Drug
Lead sponsor
Pravin T.P Kaumaya
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 2 Interventional Results available

Neoadjuvant Treatment of Breast Cancer

NCT00254592
View directory record Official record
Conditions
Breast Cancer
Interventions
Doxorubicin, Cyclophosphamide, Carboplatin, Nab-paclitaxel, GM-CSF, Trastuzumab, Bevacizumab
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2019 · Synced Jun 25, 2026, 9:09 PM EDT
Recruiting Phase 1 Interventional

Open-Label Study of BBO-10203 in Subjects With Advanced Solid Tumors

NCT06625775
View directory record Official record
Conditions
Solid Tumor, Adult, Metastatic Breast Cancer, Advanced Breast Cancer, HER2 Mutation-Related Tumors, HER2-positive Metastatic Breast Cancer, KRAS Mutant Metastatic Colorectal Cancer, Metastatic Lung Cancer, Metastatic Colorectal Cancer, Advanced Lung Cancer, HR-positive, HER2-negative Advanced Breast Cancer, HER2-positive Advanced Breast Cancer
Interventions
BBO-10203, Trastuzumab, Fulvestrant, Ribociclib, FOLFOX, Bevacizumab
Drug
Lead sponsor
TheRas, Inc., d/b/a BBOT (BridgeBio Oncology Therapeutics)
Industry
Eligibility
18 Years and older
Enrollment
392 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
19
States / cities
Duarte, California • Los Angeles, California • San Diego, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Trastuzumab and Erlotinib as First-Line Therapy in Treating Women With Metastatic Breast Cancer Associated With HER2/Neu Overexpression

NCT00033514
View directory record Official record
Conditions
Breast Cancer
Interventions
trastuzumab, erlotinib hydrochloride
Biological · Drug
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Jun 25, 2026, 9:09 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 23, 2026 · Synced Jun 25, 2026, 9:09 PM EDT
Completed No phase listed Observational

An Observational Study of Current Practice Pattern on the Treatment of Women With Metastatic Breast Cancer Whose Tumors Overexpress Her2neu

NCT00153218
View directory record Official record
Conditions
Breast Cancer
Interventions
Not listed
Lead sponsor
Cancer Research Network
Other
Eligibility
Female only
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2004
U.S. locations
2
States / cities
Plantation, Florida • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 13, 2012 · Synced Jun 25, 2026, 9:09 PM EDT
Terminated Phase 2 Interventional Results available

DS-8201a in Human Epidermal Growth Factor Receptor 2 (HER2)-Expressing or -Mutated Non-Small Cell Lung Cancer

NCT03505710
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
Trastuzumab deruxtecan
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
9
States / cities
La Jolla, California • Aurora, Colorado • Tampa, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 2 Interventional

Letrozole, Herceptin in Her2neu +, Estrogen Receptor [ER] and/or Progesterone Receptor [PR] Positive, MBC

NCT00134680
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Letrozole, Trastuzumab
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2005
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Boston, Massachusetts • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2014 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 3 Interventional Results available

Daily Everolimus in Combination With Trastuzumab and Vinorelbine in HER2/Neu Positive Women With Locally Advanced or Metastatic Breast Cancer

NCT01007942
View directory record Official record
Conditions
HER2/Neu Over-expressing Locally Advanced Breast Cancer, Metastatic Breast Cancer
Interventions
everolimus, Placebo, vinorelbine, trastuzumab
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
569 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
43
States / cities
Tucson, Arizona • La Jolla, California • Greenwood Village, Colorado + 30 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 2 Interventional

A Trial for HER2 Positive Breast Cancer Patients With Metastatic Disease

NCT00191373
View directory record Official record
Conditions
Breast Neoplasms, Cancer of the Breast, Breast Cancer
Interventions
Gemcitabine, Trastuzumab
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
13
States / cities
Hot Springs, Arkansas • Pine Bluff, Arkansas • Redding, California + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2007 · Synced Jun 25, 2026, 9:09 PM EDT
Terminated Phase 1 Interventional

Tucatinib, Trastuzumab, and Capecitabine With SRS for Brain Metastases From HER-2 Positive Breast Cancer

NCT05553522
View directory record Official record
Conditions
Brain Metastases, HER2-positive Breast Cancer
Interventions
Combined use of SRS with Tucatinib, Trastuzumab, and Capecitabine
Combination Product
Lead sponsor
Baptist Health South Florida
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Jun 25, 2026, 9:09 PM EDT
Recruiting Early Phase 1 Interventional

Pilot Study of [68Ga]Ga-ABY-025 Imaging in Patients Undergoing Treatment With HER2-targeted Therapy

NCT06828588
View directory record Official record
Conditions
Locally Advanced Cancer, Metastatic Cancer, HER2, HER2 + Breast Cancer, HER2 + Gastric Cancer, Squamous Cell Carcinoma of Head and Neck, Esophageal Squamous Cell Carcinoma, HER 2 Low-expressing Breast Cancer
Interventions
[68Ga]Ga-ABY-025
Drug
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Study to Assess dHER2+AS15 Cancer Vaccine Given in Combination With Lapatinib to Patients With Metastatic Breast Cancer

NCT00952692
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
dHER2 + AS15 ASCI, Lapatinib
Biological · Drug
Lead sponsor
Michael Morse, MD
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 19, 2021 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 2 Interventional

Trastuzumab and Interleukin-2 in Treating Patients With Metastatic Breast Cancer

NCT00006228
View directory record Official record
Conditions
HER2-positive Breast Cancer, Male Breast Cancer, Recurrent Breast Cancer, Stage IV Breast Cancer
Interventions
trastuzumab, aldesleukin, laboratory biomarker analysis, pharmacological study
Biological · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 7, 2013 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 2 Interventional Results available

Pertuzumab, Trastuzumab, and Paclitaxel Albumin-Stabilized Nanoparticle Formulation in Treating Patients With HER2-Positive Advanced Breast Cancer

NCT01730833
View directory record Official record
Conditions
HER2-positive Breast Cancer, Recurrent Breast Cancer, Stage IIA Breast Cancer, Stage IIB Breast Cancer, Stage IIIA Breast Cancer, Stage IIIB Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer, Breast Adenocarcinoma, Inflammatory Breast Carcinoma
Interventions
pertuzumab, trastuzumab, paclitaxel albumin-stabilized nanoparticle formulation, laboratory biomarker analysis
Biological · Drug · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
19 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2026
U.S. locations
3
States / cities
Duarte, California • Lancaster, California • South Pasadena, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 3 Interventional Results available

ALTTO (Adjuvant Lapatinib And/Or Trastuzumab Treatment Optimisation) Study; BIG 2-06/N063D

NCT00490139
View directory record Official record
Conditions
Neoplasms, Breast
Interventions
Lapatinib, Trastuzumab
Drug · Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
8,381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2021
U.S. locations
260
States / cities
Mobile, Alabama • Anchorage, Alaska • Tucson, Arizona + 221 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 1 Interventional

Interleukin-2 Plus Monoclonal Antibody Therapy in Treating Patients With Solid Tumors

NCT00002994
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
interleukin 2, rhuMAb
Biological
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years to 120 Years
Enrollment
355 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2002
U.S. locations
34
States / cities
La Jolla, California • San Francisco, California • Wilmington, Delaware + 25 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2016 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 3 Interventional Results available

A Study of Trastuzumab Emtansine Versus Capecitabine + Lapatinib in Participants With HER2-positive Locally Advanced or Metastatic Breast Cancer

NCT00829166
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab emtansine, Lapatinib, Capecitabine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
991 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
177
States / cities
Chandler, Arizona • Tucson, Arizona • Anaheim, California + 149 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2016 · Synced Jun 25, 2026, 9:09 PM EDT
Completed Phase 2 Interventional Results available

Trastuzumab Deruxtecan in Participants With HER2-mutated Metastatic Non-small Cell Lung Cancer (NSCLC)

NCT04644237
View directory record Official record
Conditions
Non-Small Cell Lung Cancer
Interventions
Trastuzumab deruxtecan
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
11
States / cities
Aurora, Colorado • Orlando, Florida • Tampa, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Jun 25, 2026, 9:09 PM EDT
Recruiting Phase 2 Interventional

TReatment of ADC-Refractory Breast CancEr With Dato-DXd or T-DXd: TRADE DXd

NCT06533826
View directory record Official record
Conditions
Breast Cancer, HER2-low Breast Cancer, Metastatic Breast Cancer, HER2-negative Breast Cancer
Interventions
Trastuzumab Deruxtecan, Datopotamab Deruxtecan
Drug
Lead sponsor
Ana C Garrido-Castro, MD
Other
Eligibility
18 Years and older
Enrollment
357 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2038
U.S. locations
11
States / cities
Birmingham, Alabama • San Francisco, California • New Haven, Connecticut + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Jun 25, 2026, 9:09 PM EDT