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  • Title: Randomized study of glibenclamide versus traditional Chinese treatment in type 2 diabetic patients. Chinese-French Scientific Committee for the Study of Diabetes.
    Author: Vray M, Attali JR.
    Journal: Diabete Metab; 1995 Dec; 21(6):433-9. PubMed ID: 8593925.
    Abstract:
    The purpose of this study was to evaluate the efficacy of a traditional Chinese treatment (TCT) based on three plants in association with a sulfonylurea, glibenclamide (2.5 mg X 3/d). A 2 X 2 factorial design was adopted for this multicentre randomized double-blind trial involving 4 groups [A = placebo (P) TCT + P glibenclamide; B = P TCT + verum glibenclamide; C = verum TCT + P glibenclamide; D = verum TCT + verum glibenclamide]. Patients included were type 2 diabetic outpatients, 40-70 years of age, treated by diet alone or oral anti-diabetic drugs. Endpoint criteria evaluated were HbA1, blood glucose and plasma insulin (at fasting, and 1 and 2 h after a test meal). At each visit, a clinical examination was performed, and a questionnaire on side effects and associated symptoms was completed. The dose was reduced by half in the case of hypoglycaemia. The 216 patients were recruited in 5 centres [Shanghai (1) = 48, Shanghai (2) = 40, Beijing = 40, Canton = 42, Chengdu = 46 and randomized into treatment groups A, B, C, D (56, 56, 50 and 54 respectively). Eleven patients were withdrawn for administrative reasons. In patients treated with glibenclamide, a significant increase in weight and insulinaemia was observed, together with a significant decrease in blood glucose values; in those receiving TCT, blood glucose values were significantly decreased only 2 h after the test meal. A synergistic effect on blood glucose was observed when both treatments were given. Hypoglycaemia occurred in 19 patients (all in the two verum glibenclamide groups). This first multicentre controlled trial showed that the 3 Chinese plants tested were well-tolerated and effective in Type 2 diabetes as indicated by a significant synergistic effect in association with a sulfonylurea.
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