ALAMEDA, Calif., Sept. 18, 2008 (GLOBE NEWSWIRE) -- Avigen, Inc. (Nasdaq:AVGN), a biopharmaceutical company innovating therapeutics for neurological care, today announced the completion of the double-blind portion of its Phase 2b trial for AV650 (tolperisone HCl) in the treatment of spasticity associated with multiple sclerosis (MS). This Phase 2b spasticity trial is evaluating the safety, tolerability and efficacy of AV650 in MS patients at doses up to 900mg/day for one month followed by an open-label safety extension. The trial is being conducted in top MS centers in Germany and several other European countries.