- Have been treated with an SGLT2 inhibitor, with or without metformin, for at least 3 months prior to study entry (minimum required doses for that period for allowed SGLT2 inhibitors: empagliflozin 10 mg, dapagliflozin 5 or 10 mg [per country-specific label], canagliflozin 100 mg); minimum required dose for metformin, if used, is ≥1500 mg/day and must be reached (or highest tolerated dose which is acceptable with documented gastrointestinal [GI] intolerability)