(December 6, 2018, 2:51 PM EST) -- BOSTON — Actelion Pharmaceuticals US Inc. has agreed to pay $360 million plus interest to resolve federal allegations that it paid kickbacks through a charitable foundation to illegally pay drug co-pays for Medicare patients taking the company’s pulmonary arterial hypertension (PAH) drugs, the U.S. attorney for the District of Massachusetts announced in a settlement released Dec. 6....