SINGAPORE--(BUSINESS WIRE)--Invida Group, the leading provider of healthcare brands and services to the Asia Pacific region, today announced that its contract with Swiss biotechnology company, Actelion, has been extended through 2015 to continue commercialization of Tracleer® for the treatment of pulmonary arterial hypertension (PAH) in crucial markets throughout Asia. Actelion signed with Invida initially in 2005, and has extended the contract to market the company’s lead product, Tracleer, in Thailand, Malaysia, Philippines, Vietnam, and Hong Kong.