Fig. 1From: Small-molecule inhibitors, immune checkpoint inhibitors, and more: FDA-approved novel therapeutic drugs for solid tumors from 1991 to 2021Statistics of FDA-approved drugs and cancer drugs. a Number of FDA-approved drugs (NMEs: New molecular entities, BLAs: Biologics license applications) over the past 31Â years. b Number of FDA-approved cancer drugs over the past 31Â years. c Number of FDA-approved therapeutic drugs for solid tumors during the past 31Â yearsBack to article page