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ClinicalTrials.gov public records Last synced Oct 4, 2026, 9:59 PM EDT

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Showing 73–96 of 243 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Her 2 Positive Breast Cancer Clear all
Recruiting Not applicable Interventional

S1703 Serum Tumor Marker Directed Disease Monitoring in Patients With Hormone Receptor Positive Her2 Negative Metastatic Breast Cancer

NCT03723928
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Positive, Prognostic Stage IV Breast Cancer AJCC v8, Elevated CA15-3 or CEA or CA27-29
Interventions
Usual care disease monitoring, Serum Tumor Marker directed disease monitoring, Quality-of-Life Assessment, Anxiety Questionnaire Administration
Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
739 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2036
U.S. locations
709
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Kingman, Arizona + 456 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 4, 2026, 9:59 PM EDT
Completed Phase 3 Interventional Results available

Chemotherapy and Lapatinib or Trastuzumab in Treating Women With HER2/Neu-Positive Metastatic Breast Cancer

NCT00667251
View directory record Official record
Conditions
Breast Cancer
Interventions
trastuzumab, docetaxel, lapatinib ditosylate, paclitaxel
Biological · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
652 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2022
U.S. locations
53
States / cities
Anchorage, Alaska • Tucson, Arizona • Hot Springs, Arkansas + 49 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2025 · Synced Oct 4, 2026, 9:59 PM EDT
Completed Phase 2 Interventional Results available

Paclitaxel, Trastuzumab, and Pertuzumab in the Treatment of Metastatic HER2-Positive Breast Cancer

NCT01276041
View directory record Official record
Conditions
Breast Cancer
Interventions
pertuzumab in combination with trastuzumab and paclitaxel
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
6
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Commack, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2020 · Synced Oct 4, 2026, 9:59 PM EDT
Active, not recruiting Phase 3 Interventional

A Study of DB-1303/BNT323 vs Investigator's Choice Chemotherapy in HER2-Low, Hormone Receptor Positive Metastatic Breast Cancer (DYNASTY-Breast02)

NCT06018337
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
44
States / cities
Tucson, Arizona • Fullerton, California • Los Angeles, California + 39 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 4, 2026, 9:59 PM EDT
Completed Phase 1 Interventional Results available

Study Evaluating HKI-272 in Tumors

NCT00146172
View directory record Official record
Conditions
Breast Neoplasms
Interventions
neratinib
Drug
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
5
States / cities
Tampa, Florida • Boston, Massachusetts • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2018 · Synced Oct 4, 2026, 9:59 PM EDT
Recruiting Phase 2 Interventional

A Phase 2 Single-Arm Open-Label Pilot Trial Evaluating Zanidatamab (ZW25) in Patients With Early Stage HER2/Neu Positive (HER2+) Breast Cancer (BC)

NCT05035836
View directory record Official record
Conditions
Breast Cancer, HER2-positive
Interventions
Zanidatamab, Letrozole, Tamoxifen
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Oct 4, 2026, 9:59 PM EDT
Terminated Phase 1 Interventional Results available

Phase I Study of Ixabepilone Plus Lapatinib With or Without Capecitabine in the Treatment of Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Breast Cancer

NCT00634088
View directory record Official record
Conditions
Locally Advanced or Metastatic Breast Cancer
Interventions
Ixabepilone, 32 mg/m^2 + Lapatinib, 1000 mg, Ixabepilone, 32 mg/m^2 + Lapatinib, 1250 mg, Ixabepilone, 40 mg/m^2 + Lapatinib, 1250 mg, Ixabepilone + Lapatinib + Capecitabine
Drug
Lead sponsor
R-Pharm
Industry
Eligibility
18 Years and older · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 10, 2016 · Synced Oct 4, 2026, 9:59 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Taselisib and Enzalutamide in Treating Patients With Androgen Receptor Positive Triple-Negative Metastatic Breast Cancer

NCT02457910
View directory record Official record
Conditions
Estrogen Receptor Negative, Estrogen Receptor Positive, HER2/Neu Negative, Progesterone Receptor Negative, Progesterone Receptor Positive, Stage IV Breast Cancer, Triple-Negative Breast Carcinoma
Interventions
Biomarker Analysis, Enzalutamide, Pharmacological Study, Taselisib
Other · Drug
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
12
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Chicago, Illinois + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2022 · Synced Oct 4, 2026, 9:59 PM EDT
Completed Early Phase 1 Interventional

Vaccine Therapy in Treating Patients With Previously Treated Stage II or Stage III Breast Cancer

NCT00640861
View directory record Official record
Conditions
Breast Cancer
Interventions
CpG oligodeoxynucleotide, HER-2/neu peptide vaccine, MUC-1 peptide vaccine, incomplete Freund's adjuvant, sargramostim, immunoenzyme technique, immunologic technique
Biological · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 31, 2018 · Synced Oct 4, 2026, 9:59 PM EDT
Active, not recruiting Phase 3 Interventional

Study of Pembrolizumab (MK-3475) Versus Placebo in Combination With Neoadjuvant Chemotherapy & Adjuvant Endocrine Therapy in the Treatment of Early-Stage Estrogen Receptor-Positive, Human Epidermal Growth Factor Receptor 2-Negative (ER+/HER2-) Breast Cancer (MK-3475-756/KEYNOTE-756)

NCT03725059
View directory record Official record
Conditions
Breast Cancer
Interventions
Pembrolizumab (K), Placebo (P), Paclitaxel (X), Doxorubicin (A), Epirubicin (E), Cyclophosphamide (C), Endocrine therapy, Radiation therapy, Surgery
Biological · Drug · Radiation + 1 more
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
1,240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2031
U.S. locations
45
States / cities
Daphne, Alabama • Goodyear, Arizona • Tucson, Arizona + 39 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2025 · Synced Oct 4, 2026, 9:59 PM EDT
Completed Phase 2 Interventional Results available

Neoadjuvant Endocrine Therapy in Hormone Receptor-Positive, Human Epidermal Growth Factor Receptor 2 (HER2)-Negative Node-Negative Breast Cancer

NCT03219476
View directory record Official record
Conditions
Breast Cancer, Invasive Breast Cancer
Interventions
Anastrozole, Letrozole, Exemestane, Tamoxifen
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older · Female only
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 29, 2025 · Synced Oct 4, 2026, 9:59 PM EDT
Completed No phase listed Observational

Strain Imaging in Breast Cancer Patients Receiving Trastuzumab

NCT02080390
View directory record Official record
Conditions
Her 2 Positive Breast Cancer
Interventions
Transthoracic echocardiogram (ultrasound)
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 1, 2019 · Synced Oct 4, 2026, 9:59 PM EDT
Completed Phase 2 Interventional Results available

A Study of Pertuzumab With High-Dose Trastuzumab for the Treatment of Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Metastatic Breast Cancer (MBC) With Central Nervous System (CNS) Progression Post-Radiotherapy

NCT02536339
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Pertuzumab, Trastuzumab
Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
16
States / cities
Tucson, Arizona • Duarte, California • Stanford, California + 13 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2021 · Synced Oct 4, 2026, 9:59 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Immune Response and Potential Booster for Patients Who Have Received HER2-pulsed DC1

NCT03630809
View directory record Official record
Conditions
Breast Cancer, HER2-positive Breast Cancer, HER-2 Gene Amplification, HER2 Positive Breast Carcinoma, HER-2 Protein Overexpression, Breast Cancer, Male, Breast Cancer Female
Interventions
HER2 DC1 Vaccine
Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 25, 2022 · Synced Oct 4, 2026, 9:59 PM EDT
Suspended Phase 1 Interventional

Safety and Activity Study of HER2-Targeted Dual Switch CAR-T Cells (BPX-603) in Subjects With HER2-Positive Solid Tumors

NCT04650451
View directory record Official record
Conditions
HER-2 Gene Amplification, HER2-positive Gastric Cancer, HER2-positive Breast Cancer, HER-2 Protein Overexpression, Solid Tumor, Adult
Interventions
chimeric antigen receptor (CAR) T cell therapy
Biological
Lead sponsor
Bellicum Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
7
States / cities
Duarte, California • La Jolla, California • Atlanta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2023 · Synced Oct 4, 2026, 9:59 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Study to Learn About the Study Medicine (Called PF-07220060 in Combination With PF-07104091) In Participants With Breast Cancer and Solid Tumors

NCT05262400
View directory record Official record
Conditions
Breast Cancer, Solid Tumors
Interventions
PF-07220060 + PF-07104091 combination dose escalation, PF-07104091 + PF-07220060 + fulvestrant dose expansion, PF-07104091 + PF-07220060 + letrozole dose expansion
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
12
States / cities
Los Angeles, California • Santa Monica, California • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 4, 2026, 9:59 PM EDT
Active, not recruiting Phase 2 Interventional

A Study to Learn About the Study Medicine Called PF-07220060 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment

NCT06105632
View directory record Official record
Conditions
Advanced or Metastatic Breast Cancer
Interventions
PF-07220060 CDK4 inhibitor, Fulvestrant, Everolimus, Exemestane
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
9
States / cities
Irvine, California • Los Angeles, California • Newport Beach, California + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 4, 2026, 9:59 PM EDT
Recruiting Phase 3 Interventional

S1501 Dual Observational and Randomized Cohort Study of Patients With Metastatic HER-2+ Breast Cancer at Risk of Cardiac Toxicity

NCT03418961
View directory record Official record
Conditions
Cardiotoxicity, HER2/Neu Positive, Metastatic Malignant Neoplasm in the Brain, Recurrent Breast Carcinoma, Stage IV Breast Cancer AJCC v6 and v7
Interventions
Carvedilol, Laboratory Biomarker Analysis, Patient Observation
Drug · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years and older
Enrollment
491 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
577
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Hot Springs, Arkansas + 375 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2025 · Synced Oct 4, 2026, 9:59 PM EDT
Completed Phase 1 Interventional

Study of ASTX727 Plus Talazoparib in Patients With Triple Negative or Hormone Resistant/HER2-negative Metastatic Breast Cancer

NCT04134884
View directory record Official record
Conditions
Metastatic Breast Cancer, Triple Negative Breast Cancer, Hormone Receptor Positive Tumor
Interventions
Talazoparib, ASTX727
Drug
Lead sponsor
Kathy Miller
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Indianapolis, Indiana • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 22, 2024 · Synced Oct 4, 2026, 9:59 PM EDT
Active, not recruiting Phase 2 Interventional

Secondary BRain Metastases Prevention After Isolated Intracranial Progression on Trastuzumab/Pertuzumab or T-DM1 in Patients With aDvanced Human Epidermal Growth Factor Receptor 2+ brEast Cancer With the Addition of Tucatinib

NCT05323955
View directory record Official record
Conditions
Brain Metastases, Human Epidermal Growth Factor 2 Positive Carcinoma of Breast, Advanced Breast Cancer
Interventions
Trastuzumab, Trastuzumab Emtansine (T-DM1), Pertuzumab, Tucatinib
Drug
Lead sponsor
Carey Anders, M.D.
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
8
States / cities
San Francisco, California • Boston, Massachusetts • Ann Arbor, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Oct 4, 2026, 9:59 PM EDT
Completed Phase 3 Interventional Results available

Lapatinib In Combination With Trastuzumab Versus Lapatinib Monotherapy In Subjects With HER2-positive Metastatic Breast Cancer

NCT00320385
View directory record Official record
Conditions
Neoplasms, Breast
Interventions
Lapatinib, Trastuzumab
Drug · Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older · Female only
Enrollment
296 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
87
States / cities
Phoenix, Arizona • Sedona, Arizona • Highland, California + 79 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2016 · Synced Oct 4, 2026, 9:59 PM EDT
Withdrawn Phase 1 Interventional

Hydroxychloroquine, Abemaciclib and Endocrine Therapy in Hormone Receptor Positive (HR+)/Her 2 Negative Breast Cancer

NCT04316169
View directory record Official record
Conditions
Solid Tumor, Advanced Breast Cancer
Interventions
Abemaciclib, Hydroxychloroquine 200 mg, Faslodex, Anastrazole, Letrozole, Hydroxychloroquine 400 mg, Hydroxychloroquine 600 mg
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 23, 2022 · Synced Oct 4, 2026, 9:59 PM EDT
Terminated Phase 2 Interventional Results available

Basket Study of Neratinib in Participants With Solid Tumors Harboring Somatic HER2 or EGFR Exon 18 Mutations

NCT01953926
View directory record Official record
Conditions
Solid Tumors Harboring Somatic HER2 or EGFR Exon 18 Mutations
Interventions
Neratinib, Fulvestrant, Trastuzumab, Paclitaxel
Drug
Lead sponsor
Puma Biotechnology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
582 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
30
States / cities
Birmingham, Alabama • Phoenix, Arizona • Duarte, California + 26 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 4, 2026, 9:59 PM EDT
Completed Phase 3 Interventional

Paclitaxel With or Without Trastuzumab in Treating Patients With or Without HER-2/Neu Breast Cancer That is Inoperable, Recurrent, or Metastatic

NCT00003440
View directory record Official record
Conditions
HER2-negative Breast Cancer, HER2-positive Breast Cancer, Recurrent Breast Cancer, Stage IIIC Breast Cancer, Stage IV Breast Cancer
Interventions
paclitaxel, trastuzumab, quality-of-life assessment, laboratory biomarker analysis
Drug · Biological · Procedure + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
580 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1998
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 4, 2013 · Synced Oct 4, 2026, 9:59 PM EDT