Saxagliptin In The Treatment Of Subjects With Type 2 Diabetes On Insulin Or Insulin In Combination With Metformin. (Phase III). 2009-2011. A Multicentre Randomized, Double-Blind, Phase 3b Trial To Evaluate The Efficacy And Safety Of Saxagliptin Added To Insulin Monotherapy Or To Insulin In Combination With Metformin In Subjects With Type 2 Diabetes Who Have Inadequate Glycemic Control On Insulin Alone Or On Insulin In Combination With Metformin