Auxilium Pharmaceuticals, Inc. Announces First Patients Dosed In XIAFLEX® Phase Ib Cellulite Study

Cellulite occurs mainly on the pelvic region, lower limbs, and abdomen and has been reported to occur in 85-98% of post-pubertal females and rarely in men.  The condition is prevalent in women of all races. (1,3) Cellulite is different from generalized obesity. The fat cells found in generalized obesity are not limited to the pelvis, thighs, and abdomen. Further, the fat cells found in cellulite have different physiologic and biochemical property than fat tissue located elsewhere.(3) There is no definitive medical explanation for the presentation and prevalence of cellulite and, despite multiple types of therapeutic approaches for the attempted treatment of cellulite, there are no approved treatments and little scientific evidence that any current treatments are beneficial.(4)

About XIAFLEXXIAFLEX (collagenase clostridium histolyticum) is a biologic approved in the U.S. and the EU for the treatment of adult Dupuytren's contracture patients with a palpable cord. XIAFLEX is a minimally invasive treatment for this condition and consists of a highly purified combination of several subtypes of collagenase, derived from clostridium histolyticum, in specific proportion. Together, the collagenase sub-types work synergistically to break the bonds of the triple helix collagen structure more effectively than human collagenase. XIAFLEX is currently in phase III of a global development program for the treatment of Peyronie's disease, in phase IIa of development for the treatment of Frozen Shoulder syndrome (adhesive capsulitis) and in phase Ib of development for the treatment of cellulite (edematous fibrosclerotic panniculopathy).

About AuxiliumAuxilium Pharmaceuticals, Inc. is a specialty biopharmaceutical company with a focus on developing and marketing products to predominantly specialist audiences, such as urologists, endocrinologists, certain targeted primary care physicians, hand surgeons, subsets of orthopedic, general, and plastic surgeons who focus on the hand, and rheumatologists. Auxilium markets XIAFLEX® (collagenase clostridium histolyticum) for the treatment of adult Dupuytren's contracture patients with a palpable cord and Testim® 1%, a testosterone gel, for the topical treatment of hypogonadism in the U.S. Pfizer has marketing rights for XIAPEX® (the EU tradename for collagenase clostridium histolyticum) in Europe and Asahi Kasei Pharma Corporation has development and commercial rights for XIAFLEX in Japan. Ferring International Center S.A. markets Testim in the EU and Paladin Labs Inc. markets Testim in Canada. Auxilium has three projects in clinical development. XIAFLEX is in phase III of development for the treatment of Peyronie's disease, in phase IIa of development for the treatment of Frozen Shoulder syndrome (Adhesive Capsulitis) and in phase Ib of development for the treatment of cellulite (edematous fibrosclerotic panniculopathy). Auxilium also has rights to pursue additional indications for XIAFLEX. For additional information, visit http://www.auxilium.com.

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