Durvalumab With Trastuzumab and Pertuzumab in HER2-Enriched Breast Cancer

Running, not enrolling · Phase 2

Conditions studied: Breast Cancer

In brief

The purpose of this research study is to test the safety and effectiveness of using durvalumab with trastuzumab and pertuzumab in participants with human epidermal growth factor receptor 2 (HER2)-enriched breast cancer.

Key facts

Study ID

NCT03820141

Run by

The Methodist Hospital Research Institute

People needed

51

Starts

2020-06-30

Expected to finish

2028-12-01

Last updated by the study team

2026-04-20

Who can join

Age: 18 and older. Sex: female. Healthy volunteers: not accepted.

You may qualify if…

• Female aged >18 years at the time of study entry.
• Histologically confirmed HER2-enriched (by BluePrint) and HER2-amplified (ERBB2 mRNA >7.5-10) breast cancer.
• Estrogen receptor and progesterone receptor negative.
• Primary tumor greater than 1 cm diameter, measured by clinical examination and mammography or echography.
• Any nodal status
• Bilateral breast cancers that individually meet eligibility criteria are allowed.
• Eastern Cooperative Oncology Group performance status of 0 or 1.
• Adequate organ and marrow function.
• Baseline left ventricular ejection fraction greater than or equal to 50%, as measured by multigated acquisition scan or echocardiogram.
• Evidence of postmenopausal status or negative serum pregnancy test for premenopausal patients. Negative serum beta-human chorionic gonadotropin pregnancy test within 7 days prior to the first dose of study treatment for premenopausal patients.
• Willing to provide biopsy tissues as required by the study.
• Willing and able to comply with the protocol for the duration of the study including undergoing treatment and scheduled visits and examinations including follow-up.

You may not qualify if…

• Participation in another clinical study with an investigational product within 28 days prior to the first dose of study treatment.
• Concurrent enrollment in another clinical study, unless it is an observational (non-interventional) clinical study or during the follow-up period of an interventional study.
• Unresolved or unstable adverse events from prior administration of another investigational drug.
• Any concurrent chemotherapy, radiation therapy, immunotherapy, or biologic therapy for cancer treatment.
• Major surgical procedure (as defined by the investigator) within 28 days prior to the first dose of study treatment.
• History of allogenic organ transplantation.
• Active or prior documented autoimmune or inflammatory disorders.
• History of active primary immunodeficiency.
• Active infection including tuberculosis, hepatitis B, hepatitis C, or human immunodeficiency virus.
• Current or prior use of immunosuppressive medication within 14 days prior to the first dose of study treatment.
• Receipt of live attenuated vaccine within 30 days prior to the first dose of study treatment.
• Patients who are pregnant or breastfeeding or patients of reproductive potential who are not willing to employ effective birth control from screening to 7 months after the last dose of study treatment.
• Known allergy or hypersensitivity to any of the study drugs or any of the study drug excipients.
• Patients with a mean QT interval of greater than or equal to 470ms calculated from 3 EKGs
• Patients with underlying cardiovascular conditions that have recently undergone interventions including: cardiac ventricular arrhythmia requiring medication, history of second or third degree AV blocks, myocardial infarction with the previous year, congestive heart failure, and unstable angina
• Patients with a LVEF less than 50%

Where it is running

• Houston Methodist Cancer Center — Houston, Texas, United States

Full record on ClinicalTrials.gov

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