8th February 2012, Plan-les-Ouates, Geneva, Switzerland. GeNeuro SA announces today the successful completion of its phase I clinical study with GNbAC1, a humanized monoclonal antibody targeting a human endogenous retrovirus, to treat multiple sclerosis. The randomized, double-blind, placebo-controlled, phase I study of single ascending intravenous doses of GNbAC1 in healthy volunteers demonstrated that GNbAC1 is very well tolerated.