None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Age 20-80 years 2) Type 2 diabetes 3) HbA1c 7%=HbA1c=10% 4) BMI 20-35 kg/m2 5) background medications: metformin 500~2000mg, glimepiride = 4mg/day, or gliclazide = 60mg/day 6) mild to moderate non-proliferative diabetic retinopathy (ETDRS 20-43, microaneurysm or mild to moderate NPDR) 7) A person who is able to complete the written consent before the start of the clinical trial and comply with the requirements of the clinical trial
Exclusion criteria
Exclusion criteria: 1) Type 1 diabetes or patients with acute or chronic metabolic acidosis and history of diabetic ketoacidosis 2) patients requiring ophthalmologic treatment with macular edema (central foveal thickness of > 275 µm on OCT) or severe NPDR 3) proliferative diabetic retinopathy 4) patients with receiving intraocular surgery or vitreoretinal pathyology 5) DPPIV inhibitor, GLP-1 agonist, or fibrate user within 8 weeks 6) hypersensitivity or intolerance of gemigliptin, glimepiride, gliclazide, or metformin 7) history of angioedema by ACE inhibitor or ARB or history of diabetic gastroparesis 8) cardiovascular disease within 6 months 9) chronic kidney disease (creatinine clearance rate <30mL/min) 10) chronic hepatitis B or C (excluding healthy carrier) or liver disease (screening test : ALT < 2.5 x ULN, AST < 2.5 x ULN, ALK < 2.5 x ULN, T.bilirubin <2.5 x ULN) 11) genetic disease (Galactose intolerance, lactase deficiency, glucose-galactose malabsorption syndrome) 12) cerebrovascular disease within 6 months 13) alcohol or drug abuser within 3 months 14) cancer within 15) pregnant or lactating women 17) patients who was judged to be unfit for clinical trial
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| change of hard exudate from baseline or DRSS(diabetic retinopathy severity scale) | — |
Secondary
| Measure | Time frame |
|---|---|
| change of central macular thickness on optical coherence tomography;progression on the ETDRS scale (=1step, =2step, =3step);occurance of photocoagulation or vitrectomy;change of HbA1c, FPG, and lipid profile | — |
Countries
Korea, Republic of
Contacts
Ajou University