VANCOUVER, British Columbia, Dec. 7, 2010 (GLOBE NEWSWIRE) -- QLT Inc. (Nasdaq:QLTI) (TSX:QLT) (“QLT” or the “Company”) today announced that QLT091001, the Company’s oral synthetic retinoid, has been granted orphan drug designation for the treatment of Retinitis Pigmentosa (RP) from the U.S. Food and Drug Administration (FDA). This follows the FDA grant of orphan drug designation for QLT091001 for the treatment of Leber Congenital Amaurosis (LCA) also on December 7, 2010. QLT091001 is an orally administered synthetic retinoid replacement for 11-cis-retinal, which is a key biochemical component of the visual retinoid cycle, and is under investigation for the treatment of LCA and RP.