DUSA Pharmaceuticals Inc.

DUSA Pharmaceuticals, Inc., a vertically integrated dermatology company, develops and markets Levulan photodynamic therapy (PDT) and other products for common skin conditions primarily in the United States, Canada, and Korea. The company’s marketed products include Levulan Kerastick 20% Topical Solution with PDT, as well as the BLU-U brand light source for the treatment of non-hyperkeratotic actinic keratoses of the face or scalp. It also markets the BLU-U without Levulan PDT for the treatment of moderate inflammatory acne vulgaris and general dermatological conditions. The company was founded in 1991 and is headquartered in Wilmington, Massachusetts. As of December 19, 2012, DUSA Pharmaceuticals Inc. operates as a subsidiary of Caraco Pharmaceutical Laboratories Ltd.