DURHAM, N.C.--(BUSINESS WIRE)--Inspire Pharmaceuticals, Inc. (NASDAQ: ISPH) announced that DIQUASTM Ophthalmic Solution 3% (diquafosol tetrasodium) received pricing approval and was launched for sale today in Japan by its partner, Santen Pharmaceutical Co., Ltd. Inspire will receive a related milestone payment of $1.25 million in the fourth quarter of 2010 and is also entitled to receive payments based upon a tiered royalty rate on net sales of DIQUAS in Japan, with a minimum rate in the high single digits and a maximum rate in the low double digits.
