OSAKA, Japan & DURHAM, N.C.--(BUSINESS WIRE)--Santen Pharmaceutical Co., Ltd. (TOKYO: 4536) and Inspire Pharmaceuticals, Inc. (NASDAQ: ISPH) announced today that the Japanese Ministry of Health, Labour and Welfare granted approval for the new dry eye treatment drug, DIQUAS Ophthalmic Solution 3% (generic name: diquafosol tetrasodium), on April 16, 2010.
