Rigel Pharmaceuticals has bagged its first FDA approval, with a green light to market Tavalisse for the treatment of thrombocytopenia in adult patients with chronic immune thrombocytopenia (ITP) who have failed to respond to previous treatment.
Rigel Pharmaceuticals has submitted a new drug application (NDA) to the US Food and Drug Administration (FDA) for fostamatinib in patients with chronic and persistent immune thrombocytopenia (ITP).