DURHAM, N.C.--(BUSINESS WIRE)--Inspire Pharmaceuticals, Inc. (NASDAQ:ISPH) announced today the pricing of its previously announced public offering of its common stock at a price to the public of $4.50 per share and an increase in the offering size to 22.2 million shares. Inspire has granted Deutsche Bank Securities Inc., the sole underwriter of the offering, an option to purchase up to an additional 3.3 million shares of common stock to cover over-allotments, if any. All of the shares in the offering are being offered by Inspire. Inspire expects the offering to close on August 10, 2009.