Effect of repaglinide and gliclazide on postprandial control of endogenous glucose production

Parag Singhal, Andrea Caumo, Claudio Cobelli, Roy Taylor

Research output: Contribution to journalArticlepeer-review


The effect of repaglinide and gliclazide on postmeal suppression of endogenous glucose production (EGP) has been studied using a variable-rate tracer methodology. Groups of age-, sex-, and weight-matched type 2 diabetic subjects randomized to gliclazide or repaglinide were studied after ingesting a standard mixed meal (550 kcal; 67% carbohydrate, 19% fat, 14% protein). Plasma glucose profiles were similar in each group and markedly different from that of a nondiabetic control group. Endogenous glucose production was similar basally (3.01 ± 0.30 vs 3.06 ± 0.19 mg/kg per minute, gliclazide and repaglinide, respectively). After glucose ingestion, EGP declined rapidly in both the groups until 30 minutes and the greatest suppression was reached earlier in the repaglinide group [0.88 mg/kg per minute at 120 minutes vs 0.77 mg/kg per minute at 210 minutes in gliclazide group (P 2; P >. 02) but not significantly different in the repaglinide group (153 ± 25 mg/kg per min 2; P =. 17). Repaglinide has minimal physiological advantage over gliclazide, but both therapies for type 2 diabetes fall far short of correcting the endocrine and metabolic abnormalities.

Original languageEnglish
Pages (from-to)79-84
Number of pages6
Issue number1
Publication statusPublished - Jan 2005

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism


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