Protein Restriction and the Progression of Renal Insufficiency

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Abstract
To date, there have been only two randomized prospective studies that have examined the effect of protein restriction on the progression of renal disease.1 , 2 The results of the more recent study, that of Ihle et al. (Dec. 28 issue),2 are provocative and may have far-reaching implications. However, I have some concerns about the study.