Amarantus Bioscience Holdings Inc (AMBS)

[Rosym]

Amarantus BioScience Holdings, Inc., a biotechnology company focused on the development of diagnostics in Alzheimer's disease and therapeutic products in the areas of neurology, psychiatry, ophthalmology and regenerative medicine, announced that it has applied to the U.S. Food & Drug Administration (FDA) for Orphan Drug Designation for its investigational drug MANF (mesencephalic-astrocyte-derived neurotrophic factor) as a treatment for retinal artery occlusion (RAO). RAO is a blockage of the blood supply to the retina which causes severe and sudden loss of vision.