Study on the Effectiveness and Safety of the Combination of the Two Drugs Regorafenib and Nivolumab in Patients With Colorectal Cancer (Cancer of the Colon or Rectum Classified as Proficient Mismatch Repair and Microsatellite Stable)

Exclusion Criteria

• •Participants with Mismatch repair deficient (dMMR) / microsatellite instable-high (MSI-H) colorectal cancer
• •Prior therapy with regorafenib, anti-programmed cell death protein 1 (PD-1), programmed cell death protein 1 ligand 1 (PD-L1), or cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) inhibitors, or any form of immunotherapy to treat cancer
• •Presence of active central nervous system (CNS) metastases; participants with stable CNS disease or previously treated lesions are eligible for study entry
• •Poorly controlled hypertension, defined as a blood pressure consistently above 150/90 mmHg despite optimal medical management
• •Arterial thrombotic or embolic events such as cerebrovascular accident (including transient ischemic attacks) within 6 months before the start of study medication. Active pulmonary emboli or deep vein thrombosis that are significant or not adequately controlled on anticoagulation regimen
• •Any hemorrhage or bleeding event ≥ National Cancer Institute - Common terminology criteria for adverse events (NCI-CTCAE) Grade 3 within 28 days prior to the start of study medication
• •Participants with an active, known or suspected autoimmune disease
• •History of interstitial lung disease or pneumonitis
• •Known history of human immunodeficiency virus (HIV) infection or current chronic or active hepatitis B or C infection