Dai­ichi Sankyo 'dis­ap­point­ed' as FDA ex­perts spurn AML drug but vote in fa­vor of rare tu­mor drug

Dai­ichi Sankyo has of­fered up the fresh­est case study of just where the line is drawn on can­cer drugs show­ing in­cre­men­tal — or even ques­tion­able — ben­e­fits, as crit­i­cal in­ter­nal re­views from the FDA trans­lat­ed in­to dif­fer­ing ad­vi­so­ry com­mit­tee opin­ions on two of its pitch­es.

By a 3-8 mar­gin, the on­col­o­gy ex­perts con­vened by the agency shot down the Japan­ese drug­mak­er’s case for its acute myeloid leukemia drug quizar­tinib, hav­ing vot­ed in fa­vor of pex­i­dar­tinib in the morn­ing ses­sion. Pex­i­dar­tinib treats be­nign tu­mors known as symp­to­matic tenosyn­ovial gi­ant cell tu­mor.

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