XenoPort, Inc. Amends Agreement With GlaxoSmithKline On RLS Drug, Horizant; Milestone Payments Changed; Xenoport Reacquires Rights Outside of the U.S.

Nov 8 (Reuters) - Biopharmaceutical company XenoPort Inc (XNPT.O) amended an agreement with GlaxoSmithKline (GSK.L) for the development of its drug to treat restless legs syndrome (RLS).

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