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ClinicalTrials.gov public records Last synced Jul 23, 2026, 11:45 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: HER2-Positive Breast Carcinoma Clear all
Completed Phase 2 Interventional Results available

A Trial Using ARV-471 or Anastrozole in Post-Menopausal Women With Breast Cancer Prior to Surgery

NCT05549505
View directory record Official record
Conditions
Breast Cancer
Interventions
ARV-471, Anastrozole, Surgical resection of breast tumor
Drug · Procedure
Lead sponsor
Arvinas Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
13
States / cities
Springdale, Arkansas • Los Angeles, California • Torrance, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Jul 23, 2026, 11:45 PM EDT
Completed Phase 2 Interventional

UMCC 9901: Phase II Study of Tailored-Dose Docetaxel + Trastuzumab in Her-2 Positive Metastatic Breast Cancer

NCT00146042
View directory record Official record
Conditions
HER-2 Positive Metastatic Breast Cancer
Interventions
Docetaxel, Trastuzumab, Erythromycin Breath Test (ERMBT)
Drug · Procedure
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2005
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 4, 2012 · Synced Jul 23, 2026, 11:45 PM EDT
Terminated Phase 1 Interventional

A Study of AC682 for the Treatment of Locally Advanced or Metastatic ER+ Breast Cancer

NCT05080842
View directory record Official record
Conditions
Breast Cancer
Interventions
AC682
Drug
Lead sponsor
Accutar Biotechnology Inc
Industry
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
5
States / cities
Denver, Colorado • Orlando, Florida • Sarasota, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Jul 23, 2026, 11:45 PM 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, 11:45 PM EDT
Active, not recruiting Phase 3 Interventional

T-DM1 and Tucatinib Compared With T-DM1 Alone in Preventing Relapses in People With High Risk HER2-Positive Breast Cancer, the CompassHER2 RD Trial

NCT04457596
View directory record Official record
Conditions
Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, HER2 Positive Breast Carcinoma, Invasive Breast Carcinoma, Multifocal Breast Carcinoma, Synchronous Bilateral Breast Carcinoma, Anatomic Stage I Breast Cancer AJCC v8
Interventions
Trastuzumab Emtansine, Placebo Administration, Tucatinib, Questionnaire Administration, Quality-of-Life Assessment
Biological · Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
1,056 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2035
U.S. locations
1160
States / cities
Birmingham, Alabama • Fairhope, Alabama • Mobile, Alabama + 749 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jul 23, 2026, 11:45 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 6, 2021 · Synced Jul 23, 2026, 11:45 PM EDT
Completed Phase 2 Interventional Results available

Study Assessing the Efficacy and Safety of Alpelisib Plus Fulvestrant or Letrozole, Based on Prior Endocrine Therapy, in Patients With PIK3CA Mutant, HR+, HER2- Advanced Breast Cancer Who Have Progressed on or After Prior Treatments

NCT03056755
View directory record Official record
Conditions
Breast Cancer
Interventions
Alpelisib, Fulvestrant, Letrozole, Goserelin, Leuprolide
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 99 Years
Enrollment
383 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
25
States / cities
Gilbert, Arizona • Phoenix, Arizona • Anaheim, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Jul 23, 2026, 11:45 PM EDT
Active, not recruiting Phase 2 Interventional Results available

A Study of Abemaciclib (LY2835219) Plus Tamoxifen or Abemaciclib Alone in Women With Metastatic Breast Cancer

NCT02747004
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Abemaciclib, Tamoxifen, Prophylactic Loperamide
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
5
States / cities
Tucson, Arizona • Lebanon, New Hampshire • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Jul 23, 2026, 11:45 PM EDT
Active, not recruiting Phase 2 Interventional

Neoadjuvant Endocrine Therapy in ER-positive, HER2-negative Early Stage Breast Cancer

NCT05150652
View directory record Official record
Conditions
Breast Cancer, HER2-negative Breast Cancer, Node-negative Breast Cancer, Breast Carcinoma
Interventions
Anastrozole 1mg, Letrozole 2.5mg, Exemestane 25 mg, Tamoxifen
Drug
Lead sponsor
Irada Ibrahim-zada
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jul 23, 2026, 11:45 PM EDT
Not listed Phase 2 Interventional

Alpelisib, Fulvestrant and Dapagliflozin for the Treatment of HR+, HER2 -, PIK3CA Mutant Metastatic Breast Cancer

NCT05025735
View directory record Official record
Conditions
Metastatic Breast Cancer, HER2-negative Breast Cancer
Interventions
Dapagliflozin 10Mg Tab
Drug
Lead sponsor
Saint Luke's Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 18, 2021 · Synced Jul 23, 2026, 11:45 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

A Safety and Activity Study of SBT6050 in Combination With Other HER2-directed Therapies for HER2-positive Cancers

NCT05091528
View directory record Official record
Conditions
HER2-positive Breast Cancer, HER2-positive Gastric Cancer, HER2-positive Colorectal Cancer, HER2-expressing Non-small Cell Lung Cancer
Interventions
SBT6050, trastuzumab deruxtecan, tucatinib, trastuzumab, capecitabine
Drug
Lead sponsor
Silverback Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 17, 2022 · Synced Jul 23, 2026, 11:45 PM EDT
Recruiting Phase 3 Interventional

A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.

NCT07062965
View directory record Official record
Conditions
Breast Cancer
Interventions
PF-07248144, Fulvestrant, Everolimus, Exemestane
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
102
States / cities
Chandler, Arizona • Gilbert, Arizona • Glendale, Arizona + 85 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 23, 2026, 11:45 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
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
12
States / cities
Los Angeles, California • Santa Monica, California • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2024 · Synced Jul 23, 2026, 11:45 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Impact of Aromatase Inhibitor Therapy on Glucose Homeostasis and Diabetes Risk

NCT06557057
View directory record Official record
Conditions
HER2-Positive Breast Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Jul 23, 2026, 11:45 PM EDT
Completed No phase listed Observational

Study of Predictors of Clinical Outcomes in Patients With HR+ and HER2-low/Negative Breast Cancer

NCT06040593
View directory record Official record
Conditions
Hormone-receptor-positive Breast Cancer, HER2-low Breast Cancer, HER2-negative Breast Cancer
Interventions
No drug
Other
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
18 Years and older
Enrollment
927 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 25, 2024 · Synced Jul 23, 2026, 11:45 PM EDT
Not listed Phase 2 Interventional

Evaluating the Efficacy of Neratinib on Live Cell HER2 Signaling Transduction Analysis Positive Triple Negative Breast

NCT03812393
View directory record Official record
Conditions
Triple Negative Breast Cancer, Early-stage Breast Cancer, HER2-positive Breast Cancer
Interventions
Neratinib
Drug
Lead sponsor
West Cancer Center
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Germantown, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 17, 2023 · Synced Jul 23, 2026, 11:45 PM EDT
Completed Phase 3 Interventional Results available

A Study of Trastuzumab Emtansine (T-DM1) Plus Pertuzumab/Pertuzumab Placebo Versus Trastuzumab [Herceptin] Plus a Taxane in Participants With Metastatic Breast Cancer (MARIANNE)

NCT01120184
View directory record Official record
Conditions
Breast Cancer
Interventions
docetaxel, paclitaxel, pertuzumab, pertuzumab-placebo, trastuzumab [Herceptin], trastuzumab emtansine
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
1,095 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
62
States / cities
Little Rock, Arkansas • La Jolla, California • Montebello, California + 55 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2024 · Synced Jul 23, 2026, 11:45 PM EDT
Completed Phase 2 Interventional Results available

Lapatinib Ditosylate, Trastuzumab, Paclitaxel, and Surgery in Treating Patients With Breast Cancer

NCT01688609
View directory record Official record
Conditions
HER2-positive Breast Cancer, Stage II Breast Cancer, Stage IIIA Breast Cancer
Interventions
lapatinib ditosylate, paclitaxel, trastuzumab, therapeutic conventional surgery, pharmacological study, laboratory biomarker analysis
Drug · Biological · Procedure + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
20 Years and older · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Jul 23, 2026, 11:45 PM EDT
Recruiting Phase 1Phase 2 Interventional

Phase 1/2 Study of ETX-636 in Participants With Advanced Solid Tumors

NCT06993844
View directory record Official record
Conditions
Advanced Solid Tumors, Advanced Breast Cancer
Interventions
ETX-636 dose escalation, ETX-636 dose escalation in combination with fulvestrant, ETX-636 dose expansion in combination with fulvestrant
Drug
Lead sponsor
Ensem Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
10
States / cities
Newport Beach, California • San Francisco, California • New Haven, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 23, 2026, 11:45 PM EDT
Completed Phase 2 Interventional Results available

Open-label, Phase II Study of Stomatitis Prevention With a Steroid-based Mouthwash in Post-menopausal Women With Estrogen-receptor-positive (ER+), Human Epidermal Growth Factor Receptor 2 (HER2)- Metastatic or Locally Advanced Breast Cancer

NCT02069093
View directory record Official record
Conditions
Advanced Breast Cancer
Interventions
Dexamethasone based mouthwash, Everolimus, Exemestane
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older · Female only
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
23
States / cities
Fayetteville, Arkansas • Anaheim, California • Los Angeles, California + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2017 · Synced Jul 23, 2026, 11:45 PM EDT
Recruiting Phase 2 Interventional

TRUDI: TDXD+Durva in HER2+/Low IBC

NCT05795101
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 Jul 23, 2026, 11:45 PM EDT
Recruiting No phase listed Observational

DiviTum®TKa: A Biomarker Assay for Efficacy in HR+ Breast Cancer Patients

NCT06388122
View directory record Official record
Conditions
HER2-negative Breast Cancer, Hormone-receptor-positive Breast Cancer, Metastatic Breast Cancer, Anatomic Stage II Breast Cancer AJCC v8, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, HER2 Negative Breast Carcinoma, Hormone Receptor Positive Breast Carcinoma, Metastatic Breast Carcinoma
Interventions
Biospecimen Collection
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2031
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jul 23, 2026, 11:45 PM EDT
Completed Early Phase 1 Interventional

HER2 Directed Dendritic Cell Vaccine During Neoadjuvant Therapy of HER2+Breast Cancer

NCT03387553
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female, Breast Cancer, Male, Invasive Breast Cancer, HER2-positive Breast Cancer, HER2 Positive Breast Carcinoma, Stage II Breast Cancer, Stage III Breast Cancer
Interventions
Dendritic Cell Vaccine (DC1), Neoadjuvant Chemotherapy, Curative Surgery
Biological · Drug · Procedure
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Jul 23, 2026, 11:45 PM EDT
Recruiting Not applicable Interventional

Impact of Intermittent Fasting on Biomarkers of Inflammation and Health-Related Quality of Life: A Feasibility Trial for Women With HR+/HER2- Early Breast Cancer

NCT06106477
View directory record Official record
Conditions
Breast Cancer
Interventions
Intermittent Fasting
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Jul 23, 2026, 11:45 PM EDT