On December 4, 2024, the U.S. Food and Drug Administration (FDA) approved Bizengri® (zenocutuzumab-zbco), a targeted therapy indicated for the treatment of adult patients with neuregulin 1 (NRG1) gene fusion positive non-small cell lung cancer (NSCLC) or pancreatic adenocarcinoma whose disease has progressed despite prior therapy. NSCLC is the most common type of lung cancer; it occurs when abnormal cells form and multiply in the lung tissue.Pancreatic adenocarcinoma originates in the cell lining the pancreas and is the most common type of pancreatic cancer. Bizengri® is an intravenous infusion that is given every two weeks until the disease progresses or unacceptable side effects occur.
The approval was based on the results of the eNRGy study. The trial enrolled 64 adults with advanced or metastatic NRG1 fusion-positive NSCLC and 30 adults with advanced or metastatic NRG1 fusion-positive pancreatic adenocarcinoma who had disease progression following standard of care treatment. Response rates for patients with NSCLC and pancreatic adenocarcinoma were 33% and 40%, respectively. Side effects of the medication include diarrhea, musculoskeletal pain, fatigue, nausea and infusion-related reactions. A Boxed Warning has been included in the prescribing information for Bizengri®, indicating potential risks of embryo-fetal toxicity, so use is generally not recommended for patients who are pregnant or planning to become pregnant.