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AIM: Although a short course of intensive insulin therapy (IIT) can improve beta-cell function and glycaemic control in most patients with newly diagnosed type 2 diabetes (T2DM), the impact of this intervention in diabetes of longer duration has not been carefully studied. Thus, we sought to evaluate the effect of short-term IIT in patients with established T2DM. METHODS: Thirty-four patients, with diabetes of mean 5.9 +/- 6.6 years duration, underwent 4-8 weeks of IIT, with 4-h meal test administered at baseline and at 1 day post-IIT. A positive clinical response was defined as fasting glucose or = 0.66, p < or = 0.0001), both reflecting late-phase insulin secretion. CONCLUSIONS: The clinical response to short-term IIT is variable, consistent with the heterogeneity of T2DM. However, preserved late-phase insulin secretion may identify those patients who can benefit from this intervention with improved beta-cell function.
Retnakaran et al. (Wed,) studied this question.