A multiple-dose titration study with glimepiride conducted in 16 patients with type 2 diabetes mellitus with renal impairment using doses ranging from 1 to 8 mg daily for three months showed that all patients with a creatinine clearance less than 22 ml/ min had adequate control of their glucose levels with a dosage regimen of only 1 mg daily (see section 4.2 and 4.4).