Amarantus Bioscience Holding Inc. , a biotechnology company focused on developing products for Regenerative Medicine, Neurology and Orphan Diseases, announced that it has requested Rare Pediatric Disease Designation (RPDD) and Orphan Drug Designation (ODD) from the US Food and Drug Administration (FDA) to treat GCMN with Engineered Skin Substitute (ESS). It is estimated that the incidence of GCMN, a rare dermatological condition present at birth, is between 8 and 80 births annually in the United States.