Talon Therapeutics' Marqibo Granted Accelerated Approval by FDA

Talon Therapeutics (TLON) today announced Marqibo received accelerated approval from the U.S. Food and Drug Administration for the treatment of adult patients with Philadelphia chromosome negative (Ph-) acute lymphoblastic leukemia in second or greater relapse or whose disease has progressed following two or more anti-leukemia therapies. This indication is based on overall response rate. Clinical benefit such as improvement in overall survival has not been verified. Marqibo is administered at a dose of 2.25 mg/m2 intravenously over 1 hour once every 7 days. Marqibo has different dosage recommendations than non-liposomal vincristine sulfate.