Amarantus Bioscience Holdings Inc., of San Francisco, completed the in-licensure of Eltoprazine from PGI Drug Discovery LLC, giving it worldwide rights except for Asian territories. The company plans to start a Phase IIb trial this year to treat Levadopa-induced dyskinesia associated with Parkinson’s disease. Eltoprazine is a 5HT1a/1b partial agonist small-molecule drug candidate.