LUGANO, Switzerland & WOODCLIFF LAKE, N.J.--(BUSINESS WIRE)--Helsinn Group and Eisai Inc. announced today that Helsinn has commenced a multi-centered Phase III clinical study program investigating the Netupitant/Palonosetron (300mg/0.50mg) oral fixed-dose combination for the prevention of chemotherapy-induced nausea and vomiting (CINV). The Phase III program, reviewed by the FDA and EMA, consists of three studies which are expected to enroll 2,600 oncology patients receiving highly or moderately emetogenic chemotherapy in approximately 250 study sites in 18 countries.