Pain comparison after subcutaneous administration of single-dose formulation versus multidose formulation of epogen in hemodialysis patients

Wendy L St Peter, Matthew J. Lewis, Mark G. Macres

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19 Scopus citations

Abstract

Subcutaneous (SC) injection is an approved route of administration for recombinant human erythropoietin (epoetin alfa). However, pain at the injection site with the single-dose formulation has limited its use. With the recent development of a multidose formulation containing benzyl alcohol as a preservative, anecdotal reports have emerged that suggest this product causes less stinging. Using a randomized, triple-blind, placebo-controlled crossover design, this study compared pain perception, intensity, and duration after SC injection with a multidose formulation versus single-dose formulation using visual analogue (VAS) and verbal descriptive pain scales (VDS). Twenty-eight hemodialysis patients received SC injections of placebo (normal saline) in one arm and either the multidose or single-dose formulation in the opposite arm. One week later, the subjects again received placebo in one arm and the other epoetin alfa formulation in the opposite arm. The VAS and VDS measurements were obtained at time 0 and then every 5 minutes for a period of 30 minutes. Results showed a statistically significant difference in pain perception between formulations at times 0, 10, and 15 minutes for both the VAS and VDS. In conclusion, there was a significant difference in pain perception between formulations with the multidose formulation causing less pain than the single-dose formulation. However, it should be noted that several patients reported no pain with the single-dose formulation. This indicates that individual patient response could be considered when deciding which formulation to use, although it may be difficult to implement an error- free distribution and administration system using the two different formulations.

Original languageEnglish (US)
Pages (from-to)470-474
Number of pages5
JournalAmerican Journal of Kidney Diseases
Volume32
Issue number3
DOIs
StatePublished - Sep 1998

Keywords

  • Erythropoietin alfa
  • Pain
  • Subcutaneous administration

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