Sugistran 50mg Capsule consists of the active ingredient Sunitinib. It is classified as a tyrosine kinase inhibitor, which means it works by blocking certain enzymes called tyrosine kinases involved in the growth and spread of cancer cells. This medication treats gastrointestinal stromal tumors (GIST), rare cancer that can start anywhere in the gastrointestinal tract. This medication is also used to treat advanced kidney cancer and pancreatic cancer called pancreatic neuroendocrine tumors (PNET). Cancer is a disorder in which abnormal cells grow in an uncontrolled manner.  It is not recommended for people under 18.