An Expanded Access Study to Provide at Home Subcutaneous Administration of Pertuzumab and Trastuzumab Fixed-Dose Combination (PH FDC SC) for Patients With HER2-Positive Breast Cancer During the COVID-19 Pandemic

APPROVED_FOR_MARKETING

Conditions studied: HER2-positive Breast Cancer

In brief

This single arm, multicenter study provides the pertuzumab and trastuzumab fixed-dose combination formulation for subcutaneous injection (PH FDC SC) administered at home by a home health nursing provider for patients with human epidermal growth factor receptor 2-positive (HER2+) breast cancer who have completed concurrent chemotherapy with pertuzumab (Perjeta) and trastuzumab (Herceptin) by intravenous administration (P+H IV) and are currently receiving or will be receiving maintenance therapy with P+H IV, PH FDC SC, or trastuzumab SC in the clinic. The main objective is to enable continuity of care during the COVID-19 pandemic. This study will enroll approximately 200 patients in the United States. Participants with early or metastatic HER2+ breast cancer will be enrolled in this study. Participants with metastatic HER2+ breast cancer will receive treatment every 3 weeks and continue treatment unless early cessation is necessary due to disease recurrence, disease progression, unacceptable toxicity, participant withdrawal of consent, or per physician's recommendation. Participants with early HER2+ breast cancer will receive PH FDC SC to complete 1 year (up to 18 cycles) of dual blockade, including the P+H IV, PH FDC SC, or trastuzumab SC they received prior to enrolling in this study, unless early cessation is necessary due to disease recurrence, disease progression, unacceptable toxicity, participant withdrawal of consent, or per physician's recommendation. A remote cardiac surveillance substudy will be optional for patients enrolled at select sites. The Sponsor may decide to terminate the study when the COVID-19 pandemic is no longer a risk for this patient population.

Key facts

Study ID: NCT04395508
Run by: Genentech, Inc.
Last updated by the study team: 2022-07-05

Who can join

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

You may qualify if…

Female or male patients with histologically confirmed human epidermal growth factor receptor 2-positive (HER2+) breast cancer who have completed chemotherapy in combination with P+H IV and are currently receiving or will be receiving maintenance P+H IV, PH FDC SC, or trastuzumab SC (regardless of remaining treatment cycles [e.g., only 1 cycle remaining])
HER2+ status must have been previously determined and is defined as 3+ by immunohistochemistry (IHC) and/or positive by HER2 amplification by in situ hybridization (ISH) with a ratio of ≥2 for the number of HER2 gene copies to the number of chromosome 17 copies
Eastern Cooperative Oncology Group (ECOG) performance status 0-2
Intact skin at planned site of subcutaneous (SC) injections (thigh)
Baseline and most recent (within 3 months) LVEF ≥ 50% measured by echocardiogram (ECHO) or multiple-gated acquisition scan (MUGA)
For women of childbearing potential: agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive measures, and agreement to refrain from donating eggs, as defined in the protocol
For men: agreement to remain abstinent (refrain from heterosexual intercourse) or use a condom, and agreement to refrain from donating sperm, as defined in the protocol

You may not qualify if…

Current or prior history of active malignancy (other than current breast cancer) within the last 5 years. Appropriately treated non-melanoma skin cancer; in situ carcinomas, including cervix, colon, or skin; or Stage I uterine cancer within the last 5 years are allowed
Investigational treatment within 4 weeks of enrollment
Patients with any severe infection within 4 weeks prior to initiation of study treatment, including, but not limited to, hospitalization for complications of infections should not be enrolled in the trial (in the current situation, this also applies to patients with suspected or confirmed COVID-19 infection). Patients with suspected or confirmed COVID-19 may be re-screened for eligibility following physician-prescribed COVID-19 treatment and/or a quarantine period consistent with current Centers for Disease Control and Prevention (CDC) guidelines.
Patients who may have had a recent episode of thromboembolism and are still trying to optimize the anticoagulation dose and/or have not normalized their INR
Serious cardiac illness or medical conditions
History of ventricular dysrhythmias or risk factors for ventricular dysrhythmias, such as structural heart disease (e.g., severe left ventricular systolic dysfunction [LVSD], left ventricular hypertrophy), coronary heart disease (symptomatic or with ischemia demonstrated by diagnostic testing), clinically significant electrolyte abnormalities (e.g., hypokalemia, hypomagnesemia, hypocalcemia), or family history of sudden unexplained death or long QT syndrome
Inadequate bone marrow function
Impaired liver function
Renal function with creatinine clearance <50 mL/min using the Cockroft-Gault formula
Major surgical procedure unrelated to breast cancer within 28 days prior to study entry or anticipation of the need for major surgery during the course of study treatment
Current severe, uncontrolled systemic disease that may interfere with planned treatment (e.g., clinically significant cardiovascular, pulmonary, or metabolic disease; wound-healing disorders)
Pregnant or breastfeeding, or intending to become pregnant during the study or within seven months after the last dose of study treatment
Any serious medical condition or abnormality in clinical laboratory tests that, in the investigator's judgment, precludes the patient's safe participation in, and completion of, the study
Known active liver disease, for example, active viral hepatitis infection (i.e., hepatitis B or hepatitis C), autoimmune hepatic disorders, or sclerosing cholangitis
Concurrent, serious, uncontrolled infections, or known infection with human immunodeficiency virus (HIV)
Known hypersensitivity to any of the study drugs, excipients, and/or murine proteins or a history of severe allergic or immunological reactions, e.g. difficult to control asthma
Previously experienced severe injection related reactions with P+H IV, PH FDC SC, and/or trastuzumab SC
Current chronic daily treatment with corticosteroids (dose >10 mg methylprednisolone or equivalent excluding inhaled steroids)

Where it is running

Beverly Hills Cancer Center — Beverly Hills, California, United States
UCSF Helen Diller Family CCC — San Francisco, California, United States
Stanford Univ School of Med; Oncology — Stanford, California, United States
University Of Colorado — Aurora, Colorado, United States
MedStar Washington Hosp Center — Washington D.C., District of Columbia, United States
Mayo Clinic-Jacksonville — Jacksonville, Florida, United States
University of Maryland School of Medicine — Baltimore, Maryland, United States
Dana Farber Cancer Institute — Boston, Massachusetts, United States
Mayo Clinic Hospital-Rochester, St. Marys Campus - PPDS — Minneapolis, Minnesota, United States
Memorial Sloan Kettering Cancer Center — New York, New York, United States
Levine Cancer Institute — Charlotte, North Carolina, United States
University of Washington Seattle Cancer Care Alliance — Seattle, Washington, United States

Full record on ClinicalTrials.gov

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