LOS ANGELES--(BUSINESS WIRE)--KYTHERA Biopharmaceuticals, Inc. (KYTHERA), a privately-held biotechnology company focused on the development and commercialization of prescription products in aesthetic medicine, today announced the initiation of two pivotal U.S. Phase III trials of ATX-101, a first-in-class injectable drug under clinical investigation for the reduction of submental (under the chin) fat.
