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Beneficial effects of insulin versus sulphonylurea on insulin secretion and metabolic control in recently diagnosed type 2 diabetic patients
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2003 (English)In: Diabetes Care, ISSN 0149-5992, Vol. 26, no 8, 2231-2237 p.Article in journal (Refereed) Published
Abstract [en]

OBJECTIVE - To evaluate whether treatment with insulin in recently diagnosed type 2 diabetes is advantageous compared with glibenclamide treatment. RESEARCH DESIGN AND METHODS - ▀-Cell function, glycemic control, and quality of life were monitored over 2 years in 39 patients with islet cell antibody-negative type 2 diabetes diagnosed 0-2 years before inclusion in a Swedish multicenter randomized clinical trial. Patients were randomized to either two daily injections of premixed 30% soluble and 70% NPH insulin or glibenclamide (3.5-10.5 mg daily). C-peptide-glucagon tests were performed yearly in duplicate after 2-3 days of temporary withdrawal of treatment. RESULTS - After 1 year the glucagon-stimulated C-peptide response was increased in the insulin-treated group by 0.14 ▒ 0.08 nmol/l, whereas it was decreased by 0.12 ▒ 0.08 nmol/l in the glibenclamide group, P < 0.02 for difference between groups. After 2 years, fasting insulin levels were higher after treatment withdrawal in the insulin-treated versus the glibenclamide-treated group (P = 0.02). HbA1c levels decreased significantly during the first year in both groups, however, at the end of the second year, HbA1c had deteriorated in the glibenclamide group (P < 0.01), but not in the insulin-treated group. The difference in evolution of HbA1c during the second year was significant between groups, P < 0.02 A questionnaire indicated no difference in well-being related to treatment. CONCLUSIONS - Early insulin versus glibenclamide treatment in type 2 diabetes temporarily prolongs endogenous insulin secretion and promotes better metabolic control.

Place, publisher, year, edition, pages
2003. Vol. 26, no 8, 2231-2237 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-25458DOI: 10.2337/diacare.26.8.2231Local ID: 9904OAI: diva2:245787
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2011-01-13

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Westermark, Gunilla
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