Ranbaxy, GSK settle over Imitrex litigation

HARYANA, India Ranbaxy Laboratories has settled litigation with GlaxoSmithKline related to sumatriptan succinate tablets, the generic of GlaxoSmithKline’s drug Imitrex, according to published reports.

The settlement will allow Ranbaxy to exclusively sell the generic for 180 days starting December this year. Under the terms of the settlement, Ranbaxy can distribute a generic version of sumatriptan in 25 mg, 50 mg and 100 mg doses.

Analysts expect the company to make around $100 million in sumatriptan sales in the U.S. during the exclusivity period. Sumatriptan sales in the U.S. are worth $985 million, according to IMS data.