Galapagos initiates Phase I study for JAK inhibitor GLPG0634

09-Aug-2010 - Belgium

Galapagos NV (GLPG) announced that it has acquired from GlaxoSmithKline (GSK) the full rights to GLPG0634, a small molecule drug previously part of the Company's arthritis alliance with GSK. Galapagos is initiating a Phase I clinical trial with this selective JAK inhibitor.

GLPG0634 is an orally-available, novel candidate drug developed by Galapagos and selective against Janus kinase (JAK) 1 and 2 targets discovered in collaboration with GSK. GLPG0634 has demonstrated excellent activity in biochemical studies and in vivo models of rheumatoid arthritis, and has successfully completed pre-clinical development. Galapagos has received regulatory and ethical committee approval to initiate Phase I clinical studies for GLPG0634 and plans to begin dosing in healthy volunteers on Monday August 9, 2010.

Candidate drug GLPG0634 was formally part of Galapagos' arthritis alliance with GSK. Galapagos re-acquired the rights to GLPG0634 from GSK for an undisclosed amount and will initiate clinical development of this candidate without any further involvement from GSK. In a Phase I clinical study, Galapagos is investigating the safety and pharmacological profile of GLPG0634. Galapagos aims to maximize the value of GLPG0634 before seeking a partner for development.

"JAK inhibitors have shown great efficacy in rheumatoid arthritis trials recently. GLPG0634 has a competitive therapeutic profile and we believe that this is an attractive compound to take into development," said Onno van de Stolpe, CEO of Galapagos. "We are pleased that we have been able to acquire the rights to the molecule from GSK, and we look forward to the results of the clinical study, with the aim to out-license the program at a later stage."

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