The Effects of Lipoic Acid on Glycaemic Control in Type 2 Diabetes

Status Withdrawn

Clinical Trial Summary

Hypothesis: that lipoic acid supplements taken orally will improve control of blood sugar levels in people with type 2 diabetes. This study will recruit 18 people with type 2 diabetes, whose diabetes is currently managed on oral agents. Each subject will then either take placebo for 12 weeks followed by lipoic acid for 12 weeks, or lipoic acid followed by placebo. A blood test for overall diabetes control will be taken at the start and end of each 12 week period, and the change in control will be compared for lipoic acid vs placebo.

Clinical Trial Description

This is a randomized, double-blinded, placebo-controlled crossover trial of lipoic acid for glycaemic control in type 2 diabetes. The trial has 3 phases, each lasting 12 weeks. During phases 1 and 3, subjects take lipoic acid or placebo tablets, the order to be determined by randomization. Phase 2 is a 12-week washout period. The intervention is lipoic acid 200mg daily for 1 week, 400mg daily for the second week, and 600mg daily for weeks 3-12. Equivalent numbers of placebo tablets will be taken during the placebo phase. The principal outcome measure is change in HbA1c between the start and end of lipoic acid supplementation, by comparison with the same change with placebo. The secondary outcome measure is change in urine albumin:creatinine ratio over the same periods. Assessments for safety will include standard adverse events reporting, repeated laboratory measurements throughout the study (blood count, renal and liver function) and hypoglycaemia frequency. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00398892
Study type	Interventional
Source	University of Edinburgh
Contact
Status	Withdrawn
Phase	Phase 2
Start date	December 2009
Completion date	January 2011

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