ALAMEDA, Calif.--(BUSINESS WIRE)--InSite Vision Incorporated (OTCBB: INSV) today reported financial results for the first quarter ended March 31, 2011. Royalty revenues increased by $0.7 million to $2.9 million for the first quarter 2011 compared to the first quarter 2010. Royalties were primarily from Inspire Pharmaceuticals for net sales of AzaSite. The increase in royalties was driven by a 26 percent growth in AzaSite net sales over the first quarter of 2010. The royalty revenues also increased due to royalties from net product sales of Besivance®.
