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Creatine has no beneficial effect on skeletal muscle energy metabolism in patients with single mitochondrial DNA deletions : a placebo-controlled, double-blind 31P-MRS crossover study

Kornblum, C. and Schröder, R. and Müller, K. and Vorgerd, M. and Eggers, J. and Bogdanow, M. and Papassotiropoulos, A. and Fabian, K. and Klockgether, T. and Zange, J.. (2005) Creatine has no beneficial effect on skeletal muscle energy metabolism in patients with single mitochondrial DNA deletions : a placebo-controlled, double-blind 31P-MRS crossover study. European journal of neurology, Vol. 12, H. 4. pp. 300-309.

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Official URL: http://edoc.unibas.ch/dok/A5257173

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Abstract

The purpose of our randomized, double-blind, placebo-controlled crossover study in 15 patients with chronic progressive external ophthalmoplegia (CPEO) or Kearns-Sayre syndrome (KSS) because of single large-scale mitochondrial (mt) DNA deletions was to determine whether oral creatine (Cr) monohydrate can improve skeletal muscle energy metabolism in vivo. Each treatment phase with Cr in a dosage of 150 mg/kg body weight/day or placebo lasted 6 weeks. The effect of Cr was estimated by phosphorus-31 magnetic resonance spectroscopy ((31)P-MRS), clinical and laboratory tests. (31)P-MRS analysis prior to treatment showed clear evidence of severe mitochondrial dysfunction. However, there were no relevant changes in (31)P-MRS parameters under Cr. In particular, phosphocreatine (PCr)/ATP at rest did not increase, and there was no facilitation of post-exercise PCr recovery. Clinical scores and laboratory tests did not alter significantly under Cr, which was tolerated without major side-effects in all patients. Cr supplementation did not improve skeletal muscle oxidative phosphorylation in our series of patients. However, one explanation for our negative findings may be the short study duration or the limited number of patients included.
Faculties and Departments:05 Faculty of Science > Departement Biozentrum > Services Biozentrum > Life Sciences Training Facility (Papassotiropoulos)
07 Faculty of Psychology > Departement Psychologie > Forschungsbereich Klinische Psychologie und Neurowissenschaften > Molecular Psychology (Papassotiropoulos)
UniBasel Contributors:Papassotiropoulos, Andreas
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Blackwell
ISSN:1351-5101
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:22 Mar 2012 14:22
Deposited On:22 Mar 2012 13:29

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