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ClinicalTrials.gov public records Last synced Jul 23, 2026, 10:12 AM EDT

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Showing 1–11 of 11 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Unresectable HER2-Low Breast Carcinoma Clear all
Recruiting Phase 2 Interventional

ARX788 for Treating Patients With HER2-low Locally Advanced Unresectable or Metastatic Breast Cancer

NCT06224673
View directory record Official record
Conditions
HER2 Low Breast Carcinoma, Triple Negative Breast Cancer, Hormone-receptor-positive Breast Cancer, Hormone Receptor Positive Breast Carcinoma
Interventions
ARX788, Computed Tomography (CT), Biospecimen Collection, Amiloride
Drug · Procedure
Lead sponsor
Laura Huppert, MD, BA
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Jul 23, 2026, 10:12 AM EDT
Terminated Phase 1 Interventional Results available

QUILT-3.013: Study of Ad5 [E1-, E2b-]-HER2/Neu Vaccine (ETBX-021) in Subjects With Unresectable Locally Advanced or Metastatic HER2-Expressing Breast Cancer

NCT02751528
View directory record Official record
Conditions
Cancer
Interventions
ETBX-021
Biological
Lead sponsor
NantBioScience, Inc.
Industry
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
El Segundo, California • Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Jan 12, 2025 · Synced Jul 23, 2026, 10:12 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Trastuzumab Deruxtecan (DS-8201a) Versus Investigator's Choice for HER2-low Breast Cancer That Has Spread or Cannot be Surgically Removed [DESTINY-Breast04]

NCT03734029
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab deruxtecan (DS-8201a), Capecitabine, Eribulin, Gemcitabine, Paclitaxel, Nab-paclitaxel
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
557 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
38
States / cities
Chandler, Arizona • Gilbert, Arizona • Goodyear, Arizona + 31 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Jul 23, 2026, 10:12 AM EDT
Terminated No phase listed Observational

An Observational Study of Patients Receiving T-DXd for Treatment of HER2+, and HER2-low Unresectable and/or Metastatic Breast Cancer

NCT05592483
View directory record Official record
Conditions
Breast Cancer
Interventions
None (Observational Study)
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
40
States / cities
Mobile, Alabama • Chandler, Arizona • Little Rock, Arkansas + 36 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Jul 23, 2026, 10:12 AM EDT
Completed No phase listed Observational

Estimation of the Prevalence of HER2 Low and Describe the SoC, Treatment Patterns, and Outcome in Real-world Practice Among Unresectable and/or Metastatic Breast Cancer Patients With HER2 Low Status

NCT04807595
View directory record Official record
Conditions
Breast Cancer
Interventions
None (Observational study)
Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
798 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 5, 2023 · Synced Jul 23, 2026, 10:12 AM EDT
Completed Phase 2 Interventional

A Study of BB-1701 in Previously Treated Participants With Human Epidermal Growth Factor Receptor 2 (HER2)-Positive or HER2-low Unresectable or Metastatic Breast Cancer

NCT06188559
View directory record Official record
Conditions
Breast Cancer
Interventions
BB-1701
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
27
States / cities
Los Alamitos, California • Los Angeles, California • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jul 23, 2026, 10:12 AM EDT
Recruiting Phase 3 Interventional

Trastuzumab Deruxtecan (T-DXd) in Patients Who Have Hormone Receptor-negative and Hormone Receptor-positive HER2-low or HER2 IHC 0 Metastatic Breast Cancer

NCT05950945
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab Deruxtecan
Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
5
States / cities
Miami Beach, Florida • Tampa, Florida • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Jul 23, 2026, 10:12 AM EDT
Active, not recruiting Phase 1 Interventional

Cyclophosphamide and Veliparib in Treating Patients With Locally Advanced or Metastatic Breast Cancer

NCT01351909
View directory record Official record
Conditions
Locally Advanced Unresectable Breast Carcinoma, Metastatic Breast Carcinoma, Recurrent Breast Carcinoma, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Cyclophosphamide, Laboratory Biomarker Analysis, Veliparib
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2027
U.S. locations
5
States / cities
New York, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 23, 2026, 10:12 AM EDT
Recruiting Phase 1 Interventional

Testing the Safety of the Combination of Anti-Cancer Drugs CX-5461 (Pidnarulex) and Trastuzumab Deruxtecan (T-DXd) for Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Solid Tumors and Breast Cancer

NCT07137416
View directory record Official record
Conditions
Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Invasive Breast Carcinoma, Locally Advanced Breast Carcinoma, Metastatic Breast Carcinoma, Metastatic HER2-Low Breast Carcinoma, Metastatic HER2-Positive Breast Carcinoma, Metastatic Hormone Receptor-Positive Breast Carcinoma, Metastatic Malignant Solid Neoplasm, Metastatic Triple-Negative Breast Carcinoma, Unresectable Breast Carcinoma, Unresectable HER2-Low Breast Carcinoma, Unresectable HER2-Positive Breast Carcinoma, Unresectable Hormone Receptor-Positive Breast Carcinoma, Unresectable Malignant Solid Neoplasm, Unresectable Triple-Negative Breast Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Echocardiography Test, Multigated Acquisition Scan, Pidnarulex, Radiologic Imaging Procedure, Trastuzumab Deruxtecan
Procedure · Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 23, 2026, 10:12 AM EDT
Active, not recruiting Phase 3 Interventional

Study of Sacituzumab Govitecan Versus Treatment of Physician's Choice in Patients With Hormone Receptor-positive/Human Epidermal Growth Factor Receptor 2 Negative (HR+/HER2-) Metastatic Breast Cancer Who Have Received Endocrine Therapy

NCT05840211
View directory record Official record
Conditions
Locally Advanced or Unresectable Metastatic Breast Cancer, Stage IV Breast Cancer
Interventions
Sacituzumab Govitecan-hziy, Paclitaxel, Nab-paclitaxel, Capecitabine
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
654 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
30
States / cities
Chandler, Arizona • Los Angeles, California • Palo Alto, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Jul 23, 2026, 10:12 AM EDT
Completed Phase 2 Interventional Results available

A Study of Tucatinib vs. Placebo in Combination With Capecitabine & Trastuzumab in Patients With Advanced HER2+ Breast Cancer

NCT02614794
View directory record Official record
Conditions
HER2 Positive Breast Cancer
Interventions
tucatinib, capecitabine, trastuzumab, placebo
Drug
Lead sponsor
Seagen Inc.
Industry
Eligibility
18 Years and older
Enrollment
612 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
81
States / cities
Birmingham, Alabama • Mobile, Alabama • Goodyear, Arizona + 66 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Jul 23, 2026, 10:12 AM EDT