Study study type PathologyT1T0Patientssample sizesROB Results

mCRC - 1st line (L1) metastatic/advanced - colorectal cancer (mCRC) mCRC - 1st line (L1)

versus Standard of Care (SoC)
pembrolizumab alone
KEYNOTE-177, 2020
  NCT02563002
RCTmCRC - 1st line (L1)Pembrolizumabchemotherapy FOLFIRI or FOLFOX plus targeted therapytreatment-naïve U.S. patients with microsatellite instability-high (MSI-H) and/or mismatch repair-deficient (dMMR) metastatic colorectal cancer (mCRC)153 / 154some concern
conclusif
  • demonstrated 40 % decrease in progression or deaths (PFS) (PE)
this study demonstrated a doubling in progression-free survival (PFS) with pembrolizumab versus standard chemotherapy in patients with newly diagnosed MSI-H mCRC leading to FDA approval for pembrolizumab in first line treatment of patients with unresectable or metastatic MSI-H/dMMR CRC