Neratinib in Metastatic HER2 Non-amplified But HER2 Mutant Breast Cancer

Status: Recruiting
Phase: Phase 2
Diagnosis: Breast: Metastatic
NCT ID: NCT01670877 (View complete trial on ClinicalTrials.gov)
DFCI Protocol ID: 13-237

 

This phase II study will test cancer to see if it has a HER2 mutation and, if so, see how HER2 mutated cancer responds to treatment with neratinib.

 

Conducting Institutions:
Dana-Farber Cancer Institute, Brigham and Women's Hospital

Overall PI:
Rachel Freedman, MD, Dana Farber Cancer Institute

Site-responsible Investigators:

Contacts:
Dana-Farber Cancer Institute: Breast Cancer Nursing Team, 617-632-3478

Eligibility Criteria

Inclusion Criteria for Pre-registration: - Histologically or cytologically confirmed stage IV breast cancer that is HER2-negative (0 or 1+ by IHC or non-amplified by FISH). - Administration of at least one line of prior systemic therapy for metastatic breast cancer. - Presence of measurable or non-measurable disease by RECIST 1.1. - At least 18 years of age. - ECOG performance status < or = 2. - Adequate organ function as defined below within 2 weeks of pre-registration: - Serum creatinine < or = 1.5 x ULN - Total bilirubin < or = 1.5 x ULN )in case of known Gilbert's syndrome, < 2 x ULN is allowed) - AST and ALT < or = 3 x ULN - Patient (or legally authorized representative if applicable) must be able to understand and willing to sign an IRB approved written informed consent document. Note: HER2 mutation testing may be performed while the patient is receiving active systemic therapy for metastatic breast cancer so that the result can be used to determine eligibility for study drug therapy in the future. Exclusion Criteria for Pre-registration: - Testing for LVEF is not required for pre-registration, but patient must not have a recent LVEF < LLN or have symptoms of congestive heart failure. - Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements. - Acute or currently active hepatic or biliary disease requiring antiviral therapy (with the exception of Gilbert's syndrome, asymptomatic gallstones, liver metastases, or stable chronic liver disease per investigator assessment). - History of significant cardiac disease, cardiac risk factors, or uncontrolled arrhythmias. - Symptomatic intrinsic lung disease or extensive tumor involvement of the lungs resulting in dyspnea at rest. Inclusion Criteria for Registration - Tumor tissue tested positive for HER2 mutation. - ECOG performance status < or = 2. - Adequate organ function as defined below within 2 weeks of registration: - ANC > or = 1.5 x 10^9/L - Platelet count > or = 100 x 10^9/L - Serum creatinine < or = 1.5 x ULN - Total bilirubin < or = 1.5 x ULN (in case of known Gilbert's syndrome, < 2 x ULN is allowed) - AST and ALT < or = 3 x ULN - The patient must have completed radiation therapy and be at least 1 week from the last systemic chemotherapy administration, with adequate recovery of bone marrow and organ functions, before starting neratinib. - Presence of disease that progressed on the most recent treatment regimen. - Patients with known brain metastasis are eligible, but must have received radiation and be off steroids and stable (without evidence of disease progression by imaging or exam) for 3 months. - QTc interval < or = 0.450 seconds within 2 weeks of registration. - LVEF > or = institutional ILLN within 4 weeks of registration. - Women of childbearing potential and men must agree to use adequate contraception (hormonal or barrier method of birth control, abstinence) prior to study entry and for the duration of study participation. Should a woman become pregnant or suspect she is pregnant while participating in this study, she must inform her treating physician immediately - Patient (or legally authorized representative if applicable) must be able to understand and willing to sign an IRB approved written informed consent document. Exclusion Criteria for Registration: - Currently receiving any other investigational agents or systemic cancer therapy. - Currently taking medications and herbal or dietary supplements that are strong cytochrome P450 (CYP) 3A4 inducers or inhibitors. The washout period must have been completed prior to the start of neratinib if the patient was taking any of these agents. - Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements. - Acute or currently active/requiring antiviral therapy hepatic or biliary disease (with the exception of patients with Gilbert's syndrome, asymptomatic gallstones, liver metastases, or stable chronic liver disease per investigator assessment). - Pregnant and/or breastfeeding. - History of significant cardiac disease, cardiac risk factors, or uncontrolled arrhythmias. - Symptomatic intrinsic lung disease or extensive tumor involvement of the lungs resulting in dyspnea at rest.
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