Pharmaceutical The European subsidiary of Japanese drug major Eisai (TYO: 4523) and PharmaSwiss, a division of Canada-based Valeant Pharmaceuticals International (TSX: VRX) have entered into an agreement to promote and distribute its metastatic breast cancer drug Halaven (eribulin) in Bulgaria, Estonia, Latvia, Lithuania, Poland, Romania, Hungary and Slovenia. Financial terms of the deal were not disclosed. 4 April 2012