Short-Term Creatine Supplementation May Alleviate the Malnutrition-Inflammation Score and Lean Body Mass Loss in Hemodialysis Patients: A Pilot Randomized Placebo-Controlled Trial
Abstract
BACKGROUND
Creatine supplementation has been proposed to alleviate muscle loss in various populations, but has not been investigated in hemodialysis (HD) patients. Thus, our objective was to evaluate whether creatine supplementation could attenuate the loss of lean body mass (LBM) and malnutrition-inflammation score (MIS) in HD patients.
METHODS
A randomized, placebo-controlled, double blind, parallel-design study included HD patients, of both sexes, aged 18-59 years. The patients were allocated to a Placebo Group (PG; n = 15; received maltodextrin, 1st week: 40 g/day and 2nd-4th weeks: 10 g/day) and a Creatine Group (CG; n = 15; received creatine plus maltodextrin, 1st week: 20 g/day of creatine plus 20 g/day of maltodextrin and 2nd-4th weeks: 5 g/day of creatine plus 5 g/day of maltodextrin). Pre and post the intervention, patients were evaluated for food intake, MIS, body composition and biochemical parameters.
RESULTS
CG group attenuated the MIS (Pre: 5.57 ± 0.72 vs. Post: 3.85 ± 0.47 score, P = 0.003) compared with PG (Pre: 5.71 ± 0.97 vs. Post: 5.36 ± 0.95 score, P = 0.317) (supplement × time P = 0.017, effect size: 0.964). The change of LBM was greater in CG than in PG (CG: Δ0.95 vs PG: Δ0.13 kg). At post-intervention, 28.6% of PG patients presented LBM loss and 71.4% remain stable. In contrast, 14.4% of CG patients had LBM loss, 42.8% remain stable and 42.8% gained. Food intake and quality of life did not change. CG increased the BMI and gait speed in post-compared…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 15 participants or records.
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