期刊
DIABETES-METABOLISM RESEARCH AND REVIEWS
卷 30, 期 5, 页码 405-414出版社
WILEY
DOI: 10.1002/dmrr.2503
关键词
type 1 diabetes; children; GAD-alum treatment; C-peptide; GAD65
资金
- Swedish Research Council [K2008-55X-20652-01-3]
- Juvenile Diabetes Research Foundation (JDRF) [17-2011-249]
- Barndiabetesfonden (The Swedish Child Diabetes Foundation)
- Research Council of Southeast Sweden
Background This study aimed to analyse data from two different studies (phase II and phase III) regarding the safety and efficacy of treatment with alum formulated glutamic acid decarboxylase GAD(65) (GAD-alum) at 30 months after administration to children and adolescents with type 1 diabetes. Methods The phase II trial was a double-blind, randomised placebo-controlled study, including 70 children and adolescents who were followed for 30 months. Participants received a subcutaneous injection of either 20 mu g of GAD-alum or placebo at baseline and 1 month later. During a subsequent larger European phase III trial including three treatment arms, participants received two or four subcutaneous injections of either 20 mu g of GAD-alum and/or placebo at baseline, 1, 3 and 9 months. The phase III trial was prematurely interrupted at 15 months, but of the 148 Swedish patients, a majority completed the 21 months follow-up, and 45 patients completed the trial at 30 months. Both studies included GAD(65) auto-antibodies-positive patients with fasting C-peptide >= 0.10 nmol/l. We have now combined the results of these two trials. Results There were no treatment related adverse events. In patients treated with 2 GAD-alum doses, stimulated C-peptide area under the curve had decreased significantly less (9 m: p < 0.037; 15 m: p < 0.032; 21 m: p < 0.003 and 30 m: p < 0.004), and a larger proportion of these patients were also able to achieve a peak stimulated C-peptide >0.2 nmol/L (p < 0.05), as compared with placebo. Conclusion Treatment with two doses of GAD-alum in children and adolescents with recent-onset type 1 diabetes shows no adverse events and preserves residual insulin secretion. Copyright (C) 2013 John Wiley & Sons, Ltd.
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