期刊
JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION
卷 305, 期 16, 页码 1659-1668出版社
AMER MEDICAL ASSOC
DOI: 10.1001/jama.2011.520
关键词
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资金
- Schering
- Roche
- Bristol-Myers Squibb
- GlaxoSmithKline
- Takeda
- Salix
- Gore
- Astellas
- Exalenz
- Norgine
- Gore Associates
- Gilead Sciences
- Mochida
- Karo Bio
- Johnson Johnson
- Gilead
- Abbott
- Medpace
- Astra-Zeneca
- Teva
- Amylin
- Phenomix
- Lilly
- National Institute of Diabetes and Digestive and Kidney Diseases [U01DK061718, U01DK061728, U01DK061731, U01DK061732, U01DK061734, U01DK061737, U01DK061738, U01DK061730, U01DK061713]
- National Cancer Institute
- Eunice Kennedy Shriver National Institute of Child Health and Human Development
- National Institutes of Health General Clinical Research Centers [UL1RR024989, UL1RR024128, M01RR000750, UL1RR024131, M01RR000827, UL1RR02501401, M01RR000065, M01RR00188, M01RR020359]
Context Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease in US children and adolescents and can present with advanced fibrosis or nonalcoholic steatohepatitis (NASH). No treatment has been established. Objective To determine whether children with NAFLD would improve from therapeutic intervention with vitamin E or metformin. Design, Setting, and Patients Randomized, double-blind, double-dummy, placebo-controlled clinical trial conducted at 10 university clinical research centers in 173 patients (aged 8-17 years) with biopsy-confirmed NAFLD conducted between September 2005 and March 2010. Interventions Daily dosing of 800 IU of vitamin E (58 patients), 1000 mg of metformin (57 patients), or placebo (58 patients) for 96 weeks. Main Outcome Measures The primary outcome was sustained reduction in alanine aminotransferase (ALT) defined as 50% or less of the baseline level or 40 U/L or less at visits every 12 weeks from 48 to 96 weeks of treatment. Improvements in histological features of NAFLD and resolution of NASH were secondary outcome measures. Results Sustained reduction in ALT level was similar to placebo (10/58; 17%; 95% CI, 9% to 29%) in both the vitamin E (15/58; 26%; 95% CI, 15% to 39%; P=.26) and metformin treatment groups (9/57; 16%; 95% CI, 7% to 28%; P=.83). The mean change in ALT level from baseline to 96 weeks was -35.2 U/L (95% CI, -56.9 to -13.5) with placebo vs -48.3 U/L (95% CI, -66.8 to -29.8) with vitamin E (P=.07) and -41.7 U/L (95% CI, -62.9 to -20.5) with metformin (P=.40). The mean change at 96 weeks in hepatocellular ballooning scores was 0.1 with placebo (95% CI, -0.2 to 0.3) vs -0.5 with vitamin E (95% CI, -0.8 to -0.3; P=.006) and -0.3 with metformin (95% CI, -0.6 to -0.0; P=.04); and in NAFLD activity score, -0.7 with placebo (95% CI, -1.3 to -0.2) vs -1.8 with vitamin E (95% CI, -2.4 to -1.2; P=.02) and -1.1 with metformin (95% CI, -1.7 to -0.5; P=.25). Among children with NASH, the proportion who resolved at 96 weeks was 28% with placebo (95% CI, 15% to 45%; 11/39) vs 58% with vitamin E (95% CI, 42% to 73%; 25/43; P=.006) and 41% with metformin (95% CI, 26% to 58%; 16/39; P=.23). Compared with placebo, neither therapy demonstrated significant improvements in other histological features. Conclusion Neither vitamin E nor metformin was superior to placebo in attaining the primary outcome of sustained reduction in ALT level in patients with pediatric NAFLD.
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