Actavis challenges Quillivant XR patent

16 October 2014

Ireland-headquartered generics major Actavis (NYSE: ACT) confirmed that it has filed an Abbreviated New Drug Application with the US Food and Drug Administration seeking approval to market a methylphenidate for extended-release oral suspension.

Actavis' ANDA product is a generic version of US pharma giant Pfizer (NYSE: PFE) and drug delivery specialist Tris Pharma's Quillivant XR, which is a central nervous system stimulant indicated for the treatment of attention-deficit hyperactivity disorder (ADHD).

Law suit instigated by Tris Pharma

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