Frontage Holdings Corporation, a contract research organization (CRO) providing integrated, science-driven research, analytical and development services with presence in both North America and China, said that its subsidiary Frontage Laboratories has acquired the biotech Biotranex.   Biotranex is based in the U.S. located in New Jersey and is principally engaged in providing a broad spectrum of drug metabolism and pharmacokinetic studies for pharmaceutical and biotechnology companies. It offers ...