Silviu Itescu, Mesoblast CEO

Mesoblast spins a PhI­II cell ther­a­py miss in heart fail­ure as a win, high­light­ing pos­i­tive mor­tal­i­ty da­ta

About two and a half months af­ter the FDA turned away their lead pro­gram, Mesoblast $MESO re­port­ed a Phase III miss Mon­day af­ter­noon for their sec­ond clin­i­cal prod­uct. But the Aus­tralian biotech point­ed to­ward da­ta in a sec­ondary end­point it thinks the agency might find promis­ing.

In a late-stage tri­al mea­sur­ing rexleme­stro­cel-L in 537 pa­tients, Mesoblast found that the ex­per­i­men­tal cell ther­a­py did not sig­nif­i­cant­ly re­duce hos­pi­tal­iza­tions over place­bo in in­di­vid­u­als with re­cur­ring heart fail­ure. The pro­gram man­aged to hit sec­on­daries in mor­tal­i­ty-rate re­duc­tion for ear­li­er stages of heart fail­ure, and it’s here where Mesoblast hopes it can still pave a path to­ward ac­cel­er­at­ed ap­proval should reg­u­la­tors prove re­cep­tive.

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