Amarantus BioScience Holdings, Inc. (OTCQB: AMBS), a biotechnology company focused on developing products for Regenerative Medicine, Neurology and Orphan Diseases, today announced that it has received orphan drug designation from the US FDA for Eltoprazine in the treatment of Parkinson’s disease levodopa-induced dyskinesia (PD-LID). Amarantus published positive results from a …