- Stable daily dose(s) including any of the following antidiabetic drug(s)/regimens within 90 days prior to the day of screening: a) Biguanides (metformin greater than or equal to 1500 mg or maximum tolerated dose documented in the subject medical record), b) Other OAD(s) allowed: sulphonylurea, glinides, pioglitazone, and DPP4-inhibitors (greater than or equal to half of the maximum approved dose according to local label or maximum tolerated dose as documented in subjects medical record)