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Amino Acids

, Volume 48, Issue 8, pp 1929–1940 | Cite as

Creatine for neuroprotection in neurodegenerative disease: end of story?

  • Andreas Bender
  • Thomas Klopstock
Review Article
Part of the following topical collections:
  1. Creatine

Abstract

Creatine (Cr) is a natural compound that plays an important role in cellular energy homeostasis. In addition, it ameliorates oxidative stress, glutamatergic excitotoxicity, and apoptosis in vitro as well as in vivo. Since these pathomechanisms are implicated to play a role in several neurodegenerative diseases, Cr supplementation as a neuroprotective strategy has received a lot of attention with several positive animal studies in models of Parkinson’s disease (PD), Huntington’s disease (HD), and amyotrophic lateral sclerosis (ALS). This has led to a number of randomized clinical trials (RCT) with oral Cr supplementation, with durations up to 5 years. In this paper, we review the evidence and consequences stemming from these trials. In the case of PD, the initial phase II RCT was promising and led to a large and well-designed phase III trial, which, however, turned out to be negative for all outcome measures. None of the RCTs that have examined effects of Cr in ALS patients showed any clinical benefit. In HD, Cr in high doses (up to 30 g/day) was shown to slow down brain atrophy in premanifest Huntingtin mutation carriers. In spite of this, proof is still lacking that Cr can also have beneficial clinical effects in this group of patients, who will go on to develop HD symptoms. Taken together, the use of Cr supplementation has so far proved disappointing in clinical studies with a number of symptomatic neurodegenerative diseases.

Keywords

Creatine Neuroprotection Neurodegenerative disease Mitochondrial dysfunction 

Notes

Compliance with ethical standards

Conflict of interest

AB and TK were invited speakers with travel grants at creatine conferences, sponsored by one of the creatine manufacturers, Alzchem, Trostberg, Germany.

Ethical standard statement

This review article does not contain any studies with human participants performed by any of the authors.

Informed consent statement

The authors of this review article did not perform research on participants. Obtaining informed consent was therefore not applicable.

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Copyright information

© Springer-Verlag Wien 2016

Authors and Affiliations

  1. 1.Department of Neurology with Friedrich-Baur-InstituteUniversity of MunichMunichGermany
  2. 2.Therapiezentrum BurgauBurgauGermany
  3. 3.Munich Cluster for Systems Neurology (SyNergy)MunichGermany
  4. 4.DZNE-German Center for Neurodegenerative DiseasesMunichGermany

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