sentences:  The study indicated that dapagliflozin's effects were in line with those of other diabetes medicines that also work by blocking SGLT2.In two studies involving 1,648 participants with type 1 diabetes whose blood sugar was not controlled well enough on insulin alone, adding dapagliflozin 5 mg decreased HbA1c levels after 24 hours by 0.37% and by 0.42% more than adding placebo.Dapagliflozin was approved for medical use in the European Union in November 2012.