Effects of L-Carnitine Supplementation on Serum Inflammatory Factors and Matrix Metalloproteinase Enzymes in Females with Knee Osteoarthritis: A Randomized, Double-Blind, Placebo-Controlled Pilot Study

Effects of L-Carnitine Supplementation on Serum Inflammatory Factors and Matrix Metalloproteinase Enzymes in Females with Knee Osteoarthritis: A Randomized, Double-Blind, Placebo-Controlled Pilot Study


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نویسندگان: آیدا مالک مهدوی , رضا مهدوی , سوسن کلاهی

کلمات کلیدی: L-carnitine, inflammation, matrix metalloproteinase, osteoarthritis

نشریه: 21689 , 7 , 35 , 2016

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نویسنده ثبت کننده مقاله رضا مهدوی
مرحله جاری مقاله تایید نهایی
دانشکده/مرکز مربوطه مرکز تحقیقات علوم تغذیه
کد مقاله 60595
عنوان فارسی مقاله Effects of L-Carnitine Supplementation on Serum Inflammatory Factors and Matrix Metalloproteinase Enzymes in Females with Knee Osteoarthritis: A Randomized, Double-Blind, Placebo-Controlled Pilot Study
عنوان لاتین مقاله Effects of L-Carnitine Supplementation on Serum Inflammatory Factors and Matrix Metalloproteinase Enzymes in Females with Knee Osteoarthritis: A Randomized, Double-Blind, Placebo-Controlled Pilot Study
ناشر 3
آیا مقاله از طرح تحقیقاتی و یا منتورشیپ استخراج شده است؟ بلی
عنوان نشریه (خارج از لیست فوق)
نوع مقاله Original Article
نحوه ایندکس شدن مقاله ایندکس شده سطح یک – ISI - Web of Science
آدرس لینک مقاله/ همایش در شبکه اینترنت http://dx.doi.org/10.1080/07315724.2015.1068139

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Objective: Considering the importance of inflammation in the pathogenesis of osteoarthritis (OA) and induction of pain, this study was aimed to investigate the effect of L-carnitine supplementation on serum inflammatory mediators and OA-associated pain in females with knee OA. Methods: In this clinical trial, 72 females with mild to moderate knee osteoarthritis started the study, divided into 2 groups to receive 750 mg/day L-carnitine (n D 36) or placebo (n D 36) for 8 weeks. Serum levels of Interleukine-1b (IL-1b), high-sensitivity C-reactive protein (hs-CRP), matrix metalloproteinases (MMPs)-1 and -13, and visual analog scale (VAS) for pain were assessed before and after supplementation. Data were analyzed by t test, Wilcoxon signed rank test, Mann-Whitney U test, and analysis of covariance. Results: Only 69 patients (33 in the L-carnitine group and 36 in the placebo group) completed the study. LCarnitine supplementation decreased serum IL-1b and MMP-1 levels significantly (p D 0.001 and p D 0.021, respectively); however, serum hs-CRP and MMP-13 levels did not change significantly (p > 0.05). In the placebo group, serum IL-1b levels increased significantly (p D 0.011), whereas other studied biomarkers did not change significantly. The mean VAS score decreased significantly in the L-carnitine and placebo groups by 52.67% and 21.82%, respectively (p < 0.001). Significant differences were only observed between the 2 groups in serum IL-1b (p < 0.001) and MMP-1 (p D 0.006) levels and mean VAS score (p D 0.002) after adjusting for baseline values and covariates. Conclusion: Despite observed beneficial effects of short-term supplementation of L-carnitine in decreasing serum inflammatory mediators and improving pain in knee OA patients, further studies are needed to achieve concise conclusions.

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نویسنده نفر چندم مقاله
آیدا مالک مهدویاول
رضا مهدویدوم
سوسن کلاهیسوم

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