aminolevulinic acid hydrochloride January 19, 2018 aminolevulinic acid hydrochloride Trade Name Levulan Orphan Indication Esophageal dysplasia USA Market Approval USA USA Designation Date 2007-03-20 00:00:00 Sponsor DUSA Pharmaceuticals, Inc.;25 Upton Place;Wilmington, Massachusetts, 01887