Why does TLT need 450 day response when 10.3 months
Patients receiving Keytruda lived for 10.3 months (median overall survival) compared to 7.4 months with chemotherapy. An equal number of patients (81%) in both the Keytruda and chemotherapy groups had their cancer spread, grow, or get worse. Expected income this year for Merck is 17 billion US $ . The patent expires in 2028 .