Acerus Pharmaceuticals Corp. is a pharmaceutical company. The firm is focused on the commercialization and development of prescription products that improve patient experience, with a focus in the field of men’s health. It focuses on therapeutics for urology, andrology, and endocrinology. Its products include Estrace and Natesto. The company was founded by Bruce D. Brydon, Rolf K. Reininghaus and Mark L. Thompson on September 9, 2008 and is headquartered in Mississauga, Canada.