Pemigatinib for the Treatment of Metastatic or Unresectable Colorectal Cancer Harboring FGFR Alterations

This phase II trial studies how well pemigatinib works in treating patients with colorectal cancer with mutations (alterations) in a FGFR gene and that has spread to other places in the body (metastatic) or cannot be removed by surgery (unresectable). Pemigatinib may stop the growth of tumor cells by blocking FGFR, which is needed for cell growth.