Prediabetes (Impaired Fasting Glucose and/or Impaired Glucose Tolerance)
Conditions
Brief summary
The purpose of this study is to determine whether Rubus occidentalis extract could improve fasting or postprandial serum glucose levels, and related metabolic markers among patients with prediabetes (impaired fasting glucose and/or impaired glucose tolerance).
Interventions
Sponsors
Study design
Eligibility
Inclusion criteria
* 19 years of age or older * prediabetes (fasting plasma glucose 100-125mg/dl, and/or post 75g OGTT plasma glucose 140-199mg/dl)
Exclusion criteria
* pregnant women * taking anti-hyperglycemic agents within 3 months at the time of enrollment * history of heart failure, myocardial infarction, cerebral infarction * uncontrolled hypertension (systolic BP \> 160mmHg, or diastolic BP \> 100mmHg) * serum triglyceride level \> 500mg/dl * kidney dysfunction (serum Creatinine \> 30% of upper normal limits) * hepatic dysfunction (AST, ALT \> 3 times of upper normal limits) * taking systemic glucocorticoids within 1 month
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| serum glucose (fasting and post 75g oral glucose tolerance test) | 12 weeks |
Secondary
| Measure | Time frame |
|---|---|
| serum insulin | 12 weeks |
Other
| Measure | Time frame |
|---|---|
| HOMA IR, QUICKI, HOMA beta, lipid profile, inflammatory markers | 12 weeks |