RALEIGH, N.C.--(BUSINESS WIRE)--Salix Pharmaceuticals, Ltd. (NASDAQ:SLXP) today announced the successful completion and outcome of its Phase III registration trial to evaluate the safety and efficacy of a new 1100 mg tablet formulation of balsalazide disodium (balsalazide tablets). Balsalazide disodium is the active ingredient in COLAZAL® Capsules 750 mg, an anti-inflammatory drug approved and marketed for the treatment of mildly to moderately active ulcerative colitis.