Dai­ichi Sankyo scores land­mark FDA OK for rare tu­mor drug — al­beit with re­stric­tions

Dai­ichi Sankyo fi­nal­ly has a reg­u­la­to­ry win to cel­e­brate as the FDA sanc­tions a care­ful, re­strict­ed roll­out of pex­i­dar­tinib, to be mar­ket­ed as Tu­ralio.

Through­out in­ter­nal re­views and the ad­vi­so­ry com­mit­tee pan­el, where it has ap­peared side by side quizar­tinib — the acute myeloid leukemia drug slapped down by reg­u­la­tors in June — pex­i­dar­tinib has emerged as the drug can­di­date with bet­ter chances for ap­proval as it rep­re­sents a land­mark treat­ment op­tion for a rare tu­mor. Tenosyn­ovial gi­ant cell tu­mors are typ­i­cal­ly be­nign but can be de­bil­i­tat­ing as they af­fect small and large joints.

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