Sobi’s Doptelet Disappoints In Large New Indication

Chemotherapy Patients Did Not Benefit

A Phase III trial of Swedish Orphan Biovitrum’s Doptelet in solid tumor cancer patients with chemotherapy-induced thrombocytopenia has failed. The setback could affect the firm’s growth expectations.   

Platelets
Platelets • Source: Shutterstock

Hopes of a substantial new indication for Swedish Orphan Biovitrum AB’s oral thrombopoietin receptor agonist Doptelet (avatrombopag), in chemotherapy-induced thrombocytopenia (CIT), have faded after a Phase III study missed its primary endpoint. Had it succeeded, the new setting would have provided a significant boost to the product’s sales, and the disappointment leaves Sobi more at the mercy of burgeoning competition to its hemophilia franchise.

Doptelet is already approved in the US and EU for treatment of thrombocytopenia (low platelet counts) in adult patients with...

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