Phenylalanine ammonia-lyase April 12, 2017 Phenylalanine ammonia-lyase Trade Name Phenylase. Ravpal-Peg Orphan Indication Hyperphenylalaninemia USA Market Approval USA USA Designation Date 1995-03-08 00:00:00 Sponsor BioMarin Pharmaceutical;105 Digital Drive;Novato, California, 94949