Utilizing rational drug design, Perosphere invents proprietary small molecules for targeted therapeutic indications and selectively develops new chemical entities and other therapeutics as rescue drugs. They also leverage their drug delivery technology to create new patent-protected medical uses or improve safety, efficacy, and ease of use for existing drugs. Perosphere recognizes the potential of their drug candidates and prioritizes clinical development through the expedited 505(b)(2) regulatory pathway provided by the U.S. FDA. With over 30 issued and 10 pending patents, Perosphere's proprietary drug delivery technology is well-protected.