Impact of L-Carnitine Supplementation on Liver Enzyme Normalization in Patients with Chronic Liver Disease: A Meta-Analysis of Randomized TrialsS1open access
- Authors
- Oh, Hyunwoo; Park, Chan Hyuk; Jun, Dae Won
- Issue Date
- Jul-2022
- Publisher
- MDPI
- Keywords
- carnitine; acetylcarnitine; carnitine-orotate; chronic liver disease
- Citation
- JOURNAL OF PERSONALIZED MEDICINE, v.12, no.7, pp 1 - 12
- Pages
- 12
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF PERSONALIZED MEDICINE
- Volume
- 12
- Number
- 7
- Start Page
- 1
- End Page
- 12
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/193852
- DOI
- 10.3390/jpm12071053
- ISSN
- 2075-4426
- Abstract
- The effectiveness of L-carnitine in chronic liver disease remains controversial. We conducted this meta-analysis to assess the efficacy of various forms of L-carnitine in the treatment of chronic liver disease. Methods: We searched the Cochrane Library, EMBASE, KMBASE, and Medline databases for all relevant studies published until April 2022 that examined the ability of Lcarnitine or its derivatives to normalize liver enzymes in patients with chronic liver disease. We performed meta-analyses of the proportion of patients with alanine aminotransferase (ALT) normalization and post-treatment serum aspartate aminotransferase (AST) and ALT levels. A random effects model was used for meta-analyses. Results: Fourteen randomized controlled trials (1217 patients) were included in this meta-analysis. The proportion of patients in whom ALT normalized was higher in the carnitine-orotate treatment group than in the control group (pooled odds ratio (OR), 95% confidence interval (CI) = 4.61 (1.48–14.39)). The proportion of patients in whom ALT normalized was also higher among those who received the carnitine-orotate complex, a combination of carnitine-orotate, biphenyl dimethyl dicarboxylate, and other minor supplementary compounds than in those who did not without significant heterogeneity (pooled OR (95% CI) = 18.88 (7.70–46.27); df = 1; p = 0.51; I2 = 0%). L-carnitine supplementation effectively lowered serum ALT levels compared to controls (pooled mean difference (95% CI) = −11.99 (−22.48 to −1.49)). Conclusions: L-carnitine supplementation significantly lowered ALT and AST levels and normalized ALT levels in patients with chronic liver disease.
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