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ClinicalTrials.gov public records Last synced May 21, 2026, 8:07 PM EDT

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

Showing 1–24 of 66 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: HER2 Low Clear all
Completed Phase 2 Interventional
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 May 21, 2026, 8:07 PM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
HER2/Neu Positive, Progesterone Receptor Positive, Recurrent Breast Carcinoma, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7
Interventions
Cyclophosphamide, Docetaxel, Doxorubicin, Doxorubicin Hydrochloride, Laboratory Biomarker Analysis, Paclitaxel, Quality-of-Life Assessment, Trastuzumab
Drug · Other · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
3,270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1259
States / cities
Anniston, Alabama • Mobile, Alabama • Anchorage, Alaska + 797 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced May 21, 2026, 8:07 PM EDT
Active, not recruiting Phase 3 Interventional Results available
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 May 21, 2026, 8:07 PM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Letrozole, Afatinib
Drug
Lead sponsor
Translational Research in Oncology
Other
Eligibility
18 Years and older · Female only
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
9
States / cities
Fullerton, California • Los Angeles, California • Northridge, California + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 25, 2019 · Synced May 21, 2026, 8:07 PM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Cancers With HER2 Expression
Interventions
BAY2701439
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
4
States / cities
Baltimore, Maryland • St Louis, Missouri • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced May 21, 2026, 8:07 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Breast Cancer, Triple Negative Breast Cancer (TNBC), HER2-Negative Breast Carcinoma, Node-positive Breast Cancer
Interventions
Neoadjuvant Pembrolizumab, low dose neoadjuvant boost, High dose neoadjuvant boost
Drug · Radiation
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced May 21, 2026, 8:07 PM EDT
Active, not recruiting Phase 2 Interventional
View directory record Official record
Conditions
HER2-positive Gastric Cancer
Interventions
Cinrebafusp alfa (PRS-343) in combination with ramucirumab and paclitaxel, Cinrebafusp alfa (PRS-343) in combination with tucatinib
Drug
Lead sponsor
Pieris Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Santa Barbara, California • Silver Spring, Maryland • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2022 · Synced May 21, 2026, 8:07 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Urinary Bladder Neoplasm, Triple Negative Breast Neoplasms, Hormone Receptor Positive, HER2-negative Neoplasms, Hormone Receptor Positive, HER2-low Neoplasms, Breast Neoplasms, Non-Small-Cell Lung Neoplasms, Ovarian Neoplasm, Advanced Solid Tumor
Interventions
BT8009, Pembrolizumab
Drug
Lead sponsor
BicycleTx Limited
Industry
Eligibility
18 Years and older
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
9
States / cities
Denver, Colorado • Ocala, Florida • Orlando, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced May 21, 2026, 8:07 PM EDT
Active, not recruiting Phase 1 Interventional
View directory record Official record
Conditions
Breast Cancer
Interventions
Trastuzumab deruxtecan, Valemetostat
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced May 21, 2026, 8:07 PM EDT
Recruiting Phase 1Phase 2 Interventional
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
Sarah Sammons, MD
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 Apr 8, 2026 · Synced May 21, 2026, 8:07 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
HER2-positive Breast Cancer, HER2 Low, SYD-985, SYD985, Vic-trastuzumab Duocarmazine, Metastatic Cancer, Metastatic Breast Cancer, Metastatic Gastrointestinal Carcinoid Tumor, Metastatic, HER2 Low Breast Cancer, GastroEsophageal Cancer, Gastroesophageal Adenocarcinoma, Endometrium Tumor, Ovarian Cancer, Ovarian Carcinoma, HER2-positive Gastric Cancer, HER2-positive Metastatic Breast Cancer, HER2 Mutation-Related Tumors, HER-2 Protein Overexpression, HER2 Low HR Positive, HR Positive, Hormone Receptor-positive Breast Cancer, Estrogen Receptor Positive Tumor, Progesterone Receptor-positive Breast Cancer, Triple Negative Breast Cancer, Hormone Receptor Negative Breast Carcinoma, Bladder Cancer
Interventions
Vic-trastuzumab duocarmazine (SYD985) + paclitaxel
Drug
Lead sponsor
QuantumLeap Healthcare Collaborative
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced May 21, 2026, 8:07 PM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Invasive Breast Cancer, Inflammatory Breast Cancer Stage III, HER2-positive Breast Cancer, HER2 Low Breast Adenocarcinoma, Breast Cancer
Interventions
Trastuzumab deruxtecan, Durvalumab
Drug
Lead sponsor
Filipa Lynce, MD
Other
Eligibility
18 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
3
States / cities
Boston, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced May 21, 2026, 8:07 PM EDT
Withdrawn Phase 4 Interventional
View directory record Official record
Conditions
HER2/Neu Negative, Invasive Breast Carcinoma, Postmenopausal, Stage 0 Breast Cancer, Stage IA Breast Cancer
Interventions
Anastrozole, Exemestane, Laboratory Biomarker Analysis, Letrozole, Quality-of-Life Assessment, Questionnaire Administration, Tamoxifen Citrate, Toremifene Citrate
Drug · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
60 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 26, 2018 · Synced May 21, 2026, 8:07 PM EDT
Active, not recruiting Phase 3 Interventional Results available
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 3, 2026 · Synced May 21, 2026, 8:07 PM EDT
Active, not recruiting Phase 2 Interventional
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 May 21, 2026, 8:07 PM EDT
Active, not recruiting Phase 3 Interventional
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
DB-1303/BNT323, Capecitabine, Paclitaxel, Nab-paclitaxel
Drug
Lead sponsor
DualityBio Inc.
Industry
Eligibility
18 Years and older
Enrollment
541 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
47
States / cities
Tucson, Arizona • Fullerton, California • Los Angeles, California + 41 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced May 21, 2026, 8:07 PM EDT
Terminated Phase 1 Interventional Results available
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 May 21, 2026, 8:07 PM EDT
Completed No phase listed Observational
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 May 21, 2026, 8:07 PM EDT
Active, not recruiting Phase 3 Interventional
View directory record Official record
Conditions
Breast Cancer
Interventions
Dato-DXd, Durvalumab, Pembrolizumab, Doxorubicin, Epirubicin, Cyclophosphamide, Paclitaxel, Carboplatin, Capecitabine, Olaparib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
1,902 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2032
U.S. locations
58
States / cities
Daphne, Alabama • Prescott, Arizona • Jonesboro, Arkansas + 53 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced May 21, 2026, 8:07 PM EDT
Not yet recruiting Phase 2 Interventional
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 Apr 30, 2026 · Synced May 21, 2026, 8:07 PM EDT
Terminated Phase 2 Interventional Results available
View directory record Official record
Conditions
Breast Cancer
Interventions
Everolimus
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 31, 2022 · Synced May 21, 2026, 8:07 PM EDT
Completed Phase 2 Interventional Results available
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 May 21, 2026, 8:07 PM EDT
Recruiting Phase 1 Interventional
View directory record Official record
Conditions
HER2-positive Breast Cancer, HER2-positive Gastric Cancer, HER2-positive Non-Small Cell Lung Cancer, HER2-positive Colorectal Cancer, HER2-positive Tumors, HER2 Low Breast Cancer
Interventions
XMT-2056
Drug
Lead sponsor
Mersana Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
14
States / cities
Los Angeles, California • Stanford, California • Celebration, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced May 21, 2026, 8:07 PM EDT
Active, not recruiting Phase 3 Interventional
View directory record Official record
Conditions
HER2-positive Breast Cancer
Interventions
Standard of Care Adjuvant Breast Radiation, Standard of Care HER2-targeted Therapy Without Adjuvant Breast Radiation
Radiation · Drug
Lead sponsor
NRG Oncology
Other
Eligibility
40 Years and older
Enrollment
1,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2037
U.S. locations
413
States / cities
Phoenix, Arizona • Tucson, Arizona • Jonesboro, Arkansas + 286 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced May 21, 2026, 8:07 PM EDT