GHENT, BELGIUM--(Marketwire - December 12, 2008) - Ablynx [Euronext Brussels: ABLX], a pioneer in the discovery and development of Nanobodies®, a novel class of antibody-derived therapeutic proteins, announced today that its anti-thrombotic ALX-0081, has reached the primary endpoint of the current Phase Ib study, demonstrating the desired pharmacological effect.