Merck (MRK) Keytruda Gets CHMP Nod for Severe Breast Cancer Posted byZacks Equity Research September 20, 2021 Leave a comment on Merck (MRK) Keytruda Gets CHMP Nod for Severe Breast Cancer The CHMP recommends an approval of Merck’s (MRK) Keytruda combo for the treatment of patients with metastatic triple-negative breast cancer.