Galapagos, GSK successfully conclude phase 2a study of skin disease drug

BRUSSELS, April 17 Thu Apr 17, 2014 1:40am EDT

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BRUSSELS, April 17 (Reuters) - Belgian biotech group Galapagos NV on Thursday said it has successfully concluded the phase 2a study of a skin disease drug it is developing with Britain's GlaxoSmithKline PLC.

Galapagos tested drug GSK2586184 on 66 patients with chronic psoriasis and observed a 75 percent improvement in significantly more patients than in the placebo group.

GSK, which owns the drug's commercial rights, will decide whether to proceed with clinical trials, Galapagos said in a statement.

Galapagos said it could receive a milestone payment of up to 34 million euros ($46.94 million) as well as double-digit royalties as the programme proceeds towards commercialisation.

($1 = 0.7243 Euros) (Reporting by Robert-Jan Bartunek; Editing by Christopher Cushing)