Type 2 Diabetes Mellitus
Conditions
Keywords
DBPR108, Dipeptidyl peptidase-4 (DPP4) inhibitors, metformin hydrochloride
Brief summary
This study aims to evaluate the efficacy and safety of DBPR108 tablets in combination with metformin hydrochloride in the treatment of type 2 diabetes mellitus. A total of 210 subjects will be randomly assigned in a ratio of 2:1 to receive metformin hydrochloride plus DBPR108 or metformin hydrochloride plus placebo.
Interventions
DBPR108: 100 mg, once daily for 24 weeks.
metformin hydrochloride: 500 mg, 1-3 times daily for 24 weeks.
placebo:100 mg, once daily for 24 weeks.
Sponsors
Study design
Eligibility
Inclusion criteria
* Diagnosis of type 2 diabetes according to World Health Organization (1999) diabetes diagnosis standard; * Age 18-75 years, men and women; * BMI 19-35 kg/m2; * HbA1c 7.0%-9.5%; * Before screening, a stable Metformin dose(≥1000mg/day)should be maintained for at least 8 weeks. * Signed informed consent from the patient; * Agree to use contraceptive measures from the date of signing the informed consent to 1 month after the end of the last medication.
Exclusion criteria
* FPG \> 13.9 mmol/L; * Insulin treatment required in the investigator's opinion; * Administration of antidiabetic drugs (except for metformin) including insulin, rosiglitazone, pioglitazone, DPP-4 inhibitor, Glucagon like peptide-1 (GLP-1) receptor agonist for 8 weeks before screening; * Acute complications of diabetes (including diabetic ketosis and ketoacidosis, hyperosmotic nonketotic diabetic coma, lactic acidosis and hypoglycemia coma); * Severe hypoglycemia; * Serious diabetic complications (such as diabetic foot, etc.); * History of acute or chronic pancreatitis, or related diseases that are most common cause of acute pancreatitis (such as recurrent cholelithiasis, etc.); * History of being allergic to DPP-4 inhibitors; * Untreated hyperthyroidism and other diseases which may cause secondary hyperglycemia; * Previous treatment with glucocorticoids (except for external use and inhalation) within 4 weeks before screening or may be used for more than 14 consecutive days during the study; * Inflammatory bowel disease, partial intestinal obstruction or chronic bowel disease related to obvious digestive and absorption disorders; * Aspartate aminotransferase (AST) or Alanine aminotransferase (ALT) \> 3\*upper limit of normal (ULN), or total bilirubin \> 1.5ULN; * Abnormal renal function; * White blood cells (WBC) \< 3.0109/l, neutrophil count of peripheral blood \< 1.5109/l, hemoglobin \< 100g / L, triglyceride \> 5.7 mmol/l; * HBsAg, HBeAg or HBcAb positive, or any one of hepatitis C antibody, anti-HIV antibody and nonspecific antibody of Treponema pallidum positive; * Pregnant or lactating women; * History of alcohol or drug abuse; * Participation in other clinical trials or administration of any other investigational drugs or devices within 3 months before screening; * Significant unstable diseases; * Any condition that in the investigator's opinion might render the patient unable to participate the trial.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Change in HbA1c (%) from baseline to week 24 | baseline, 24 weeks | The change of HbA1c from baseline to 24 weeks compared with metformin hydrochloride + placebo |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Percentage of HbA1c ≤ 7% | 24 weeks | Proportion of patients achieving HbA1c ≤ 7% at week 24 |
| Change in HbA1c (%) from baseline to week 12 | baseline, 12 weeks | The change of HbA1c from baseline to 12 weeks compared with metformin hydrochloride + placebo |
| Percentage of HbA1c ≤ 6.5% | 24 weeks | Proportion of patients achieving HbA1c ≤ 6.5% at week 24 |
| Change in 2h-postprandial plasma glucose (2h-PPG) from baseline to week 12 and week 24 | Baseline, 12 weeks and 24 weeks | The change in 2h-PPG from baseline to week 12 and week 24 compared with metformin hydrochloride + placebo |
| Change in body weight from baseline to week 12 and week 24 | Baseline, 12 weeks and 24 weeks | The change in body weight from baseline to week 12 and week 24 compared with metformin hydrochloride +placebo |
| Change in fasting plasma glucose (FPG) from baseline to week 12 and week 24 | Baseline, 12 weeks and 24 weeks | The change in FPG from baseline to week 12 and week 24 compared with metformin hydrochloride + placebo |
Countries
China