L-carnitine supplementation and adipokines in patients with end-stage renal disease on regular hemodialysis

B. Csiky, Z. Nyul, G. Tóth, I. Wittmann, B. Melegh, M. Rauh, W. Rascher, E. Sulyok

Research output: Article

6 Citations (Scopus)


Chronic hemodialysis (HD) patients frequently encounter carnitine depletion, elevated adipose tissue-derived hormones/cytokines, that may contribute to accelerated arteriosclerosis. 10 non-diabetic HD patients were studied over 28 weeks. In the 12 weeks treatment period 1g l-carnitine was given iv after each HD session. Measurements of plasma free- and acylcarnitines, insulin, leptin, adiponectin, resistin and ghrelin were performed at baseline, at weeks 2, 4, 8, 12 (treatment period) and at weeks 2428 (post-treatment period). L-carnitine supplementation resulted in progressive increase of free- and acylcarnitine levels. Plasma levels of insulin, resistin, leptin and ghrelin remained at the already elevated baseline values. L-carnitine therapy induced a significant increase in plasma adiponectin from 20.2±12.7g/ml (baseline) to 32.7±20.2g/ml in week 2 (p<0.05) and 35.4±19.6g/ml in week 12 (p<0.03), which remained unchanged in the post-carnitine period. Plasma insulin levels correlated positively with leptin (r=0.525, p<0.0001) and resistin (r=0.284, p<0.005); adiponectin levels correlated inversely with leptin (r=-0.255, p<0.02) and resistin (r=-0.213, p<0.04) irrespective of carnitine status. Plasma levels of adipokines and related hormones are greatly elevated in patients on regular HD. L-carnitine administration further augmented the plasma levels of protective adiponectin, therefore it may have a role in preventing cardiovascular complications of uremia.

Original languageEnglish
Pages (from-to)735-740
Number of pages6
JournalExperimental and Clinical Endocrinology and Diabetes
Issue number10
Publication statusPublished - jan. 1 2010

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism
  • Endocrinology

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