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Sun finally shines on Horizant, as FDA OK’s GSK-XenoPort RLS drug

This article was originally published in Scrip

Executive Summary

Investors jumped for joy on 7 April on the news that GlaxoSmithKline and its partner XenoPort finally gained the US FDA's blessing for their extended-release gabapentin enacarbil product Horizant (XP13512/GSK1838262) as a treatment for adults with moderate-to-severe primary restless legs syndrome (RLS) – an approval that came after a long and winding road.


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