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Brazilian Journal of Nephrology

Print version ISSN 0101-2800On-line version ISSN 2175-8239

Abstract

OLIVEIRA, Camila Marques  and  DOMINGUETI, Caroline Pereira. The role of C-peptide in the attenuation of outcomes of diabetic kidney disease: a systematic review and meta-analysis. J. Bras. Nefrol. [online]. 2018, vol.40, n.4, pp.375-387.  Epub Aug 13, 2018. ISSN 0101-2800.  http://dx.doi.org/10.1590/2175-8239-jbn-2017-0027.

Introduction:

Preclinical trials have shown that C-peptide may contribute to the treatment of diabetic kidney disease (DKD). This systematic review and meta-analysis aimed to assess the use of C-peptide in attenuating the outcomes of DKD.

Methods:

Searches were made on databases PubMed, Web of Science, and Scielo for in vivo clinical and preclinical trials written in English, Portuguese or Spanish that looked into the use of C-peptide in the attenuation of the outcomes of DKD.

Results:

Twelve papers were included in this review, one clinical and eleven preclinical trials. In the clinical trial, DKD patients given C-peptide had lower levels of albuminuria than the subjects in the control group, but glomerular filtration rates were not significantly different. The main parameters assessed in the preclinical trials were glomerular filtration rate (six trials) and albuminuria (five trials); three trials described less hyperfiltration and three reported lower levels of albuminuria in the groups offered C-peptide. The meta-analysis revealed that the animals given C-peptide had lower glomerular volumes and lower urine potassium levels than the groups not given C-peptide.

Conclusion:

The results of the studies included in the systematic review diverged. However, the meta-analysis showed that the animals given C-peptide had lower glomerular volumes and lower urine potassium levels.

Keywords : C-peptide; Diabetic Nephropathy; Diabetes Mellitus.

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