Roger Perlmutter, Merck

Catch­ing up with Roche, Mer­ck racks up pos­i­tive da­ta in front­line triple neg­a­tive breast can­cer

Mer­ck’s Keytru­da may not have qual­i­fied as a sec­ond- or third-line treat­ment of triple neg­a­tive breast can­cer, but the PD-1 in­hibitor is show­ing promise for the first-line set­ting in a Phase III tri­al.

In­ves­ti­ga­tors for the KEYNOTE-355 study re­port that Keytru­da plus chemother­a­py sig­nif­i­cant­ly im­proved pro­gres­sion-free sur­vival for pa­tients with metasta­t­ic TNBC whose tu­mors ex­press PD-L1 com­pared to chemo alone, hit­ting a co-pri­ma­ry end­point.

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