Profile: KYTHERA Biopharmaceuticals Inc (KYTH.OQ)

KYTH.OQ on NASDAQ Stock Exchange Global Select Market

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KYTHERA Biopharmaceuticals, Inc., incorporated in June 2004, is a clinical-stage biopharmaceutical company focused on the discovery, development and commercialization of prescription products for the aesthetic medicine market. The Company’s initial focus is on the facial aesthetics market. The Company’s product candidate, ATX-101, is a injectable drug in Phase III clinical development for the reduction of submental fat, which commonly presents as an undesirable double chin. Based on clinical trials conducted, ATX-101 has exhibited results in the reduction of submental fat. ATX-101 contains a synthetic form of sodium deoxycholate. In the United States and Canada, the Company is conducting two pivotal Phase III trials of ATX-101 for the reduction of submental fat. The Company initiated this pivotal Phase III clinical program, with planned enrollment of 1,000 patients, in March 2012.

In Europe, Bayer, its collaborator outside the United States and Canada, recently completed two pivotal Phase III trials of ATX-101 for the reduction of submental fat. In these multi-center, randomized, double-blind, placebo-controlled pivotal trials involving 723 patients, ATX-101 resulted in a reduction in submental fat, as assessed by a validated clinician scale and a patient satisfaction scale.

ATX-101 contains a synthetic form of sodium deoxycholate. ATX-101 is designed to be a locally-injected drug that causes proximal, preferential destruction of adipocytes, or fat cells, with minimal effect on surrounding tissue. Upon subcutaneous injection under the skin, ATX-101 disrupts cell membranes in protein-poor tissues, such as fat, while being attenuated by interactions with protein-rich tissue, such as skin, muscle and blood vessels. This attenuation by protein-rich tissue results in the preferential destruction of adipocytes by ATX-101. The destruction of adipocytes, or adipocytolysis, elicits a natural response, in which macrophages are attracted to remove cellular debris and fat particles through the lymphatic system. The macrophages also emit low levels of chemical messengers, known as cytokines, which attract fibroblasts, another cell type, to the area. Fibroblasts produce collagen, and it is believed that new collagen production, or neocollagenesis, promotes retraction of the skin in the areas of fat reduction. The fat removal process with ATX-101 is incremental with each treatment, thereby allowing for control of the aesthetic outcome.

Company Address

KYTHERA Biopharmaceuticals Inc

Suite 200
27200 West Agoura Road
CALABASAS   CA   91301
P: +1818.5874500
F: +1818.5874591

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