A randomized controlled study of 6% gabapentin topical formulation for chronic kidney disease-associated pruritus.

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Novel agents with good safety profiles are needed in the management of chronic kidney disease-associated pruritus (CKD-AP). This study aims to assess the efficacy and safety of topical gabapentin in the treatment of CKD-AP.The authors conducted a randomized, double-blind, vehicle-controlled study. The key inclusion criteria were: (i) patients on hemodialysis for at least 8 weeks, and (ii) a baseline visual analog scale (VAS) pruritus score ≥5. Patients were randomized into two groups. Topical 6% gabapentin was used in the experimental group while plain permeation cream was used for the control group. The primary endpoint was the mean change in pruritus scores using the VAS (MCPS-VAS) from baseline after 1 and 2 weeks of once daily application.Thirty patients (15 per group) were included in the analysis. Treatment with 6% topical gabapentin resulted in significantly decreased mean pruritus scores at 1 week (mean score 2.7; range 0-5; P 

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