On April 4, 2017 Bristol-Myers Squibb Company (NYSE:BMY) reported that the U.S. Food and Drug Administration (FDA) accepted a supplemental Biologics License Application (sBLA) that seeks to extend the use of Opdivo (nivolumab) to patients with mismatch repair deficient (dMMR) or microsatellite instability high (MSI-H) metastatic colorectal cancer (CRC) after prior fluoropyrimidine-, oxaliplatin- and irinotecan-based chemotherapy (Press release, Bristol-Myers Squibb, APR 4, 2017, View Source [SID1234518453]). The FDA granted the application priority review, and the FDA action date is August 2, 2017. Schedule your 30 min Free 1stOncology Demo! "We look forward to working with the FDA towards the goal of providing a new treatment option for patients with metastatic colorectal cancer defined by dMMR or MSI-H biomarkers. These patients have a distinct unmet need, as they are less likely to benefit from conventional chemotherapy and have a shorter overall survival than patients with metastatic colorectal cancer without these biomarkers," said Ian M. Waxman, M.D., development lead, Gastrointestinal Oncology, Bristol-Myers Squibb. "This milestone illustrates Bristol-Myers Squibb’s continued efforts to evaluate the potential of Immuno-Oncology in a broad range of cancers and represents an important advancement in our approach to translational medicine."
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The submission was based on data from the ongoing Phase 2 CheckMate -142 trial evaluating Opdivo in patients with dMMR or MSI-H metastatic CRC. The efficacy endpoints include investigator-assessed and blinded independent central review committee-assessed objective response rate (ORR) based on the Response Evaluation Criteria In Solid Tumors (RECIST) version 1.1, duration of response, progression-free survival and overall survival. Data from this study were presented at the 2017 Gastrointestinal Cancers Symposium in January.
About Colorectal Cancer and dMMR or MSI-H Colorectal Cancer
Colorectal cancer (CRC) is cancer that develops in the colon or the rectum, which are part of the body’s digestive or gastrointestinal system. In the U.S., CRC is the third most common cancer and the second leading cause of cancer-related deaths among men and women combined, with more than 134,000 new cases expected to be diagnosed annually.
Mismatch repair deficiency (dMMR) occurs when the proteins that repair mismatch errors in DNA replication are missing or non-functional, which leads to microsatellite instability-high (MSI-H) tumors in certain types of cancer, including CRC. Approximately 15% of CRC patients and 4-5% of metastatic CRC patients have dMMR or MSI-H biomarkers. Patients with dMMR or MSI-H metastatic CRC are less likely to benefit from conventional chemotherapy and typically have a poor prognosis, with lower survival rates on conventional chemotherapy than patients whose tumors are mismatch repair proficient. Routine testing to confirm dMMR or MSI-H status should be conducted for all CRC patients.