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Variations between rheumatologists in using sulphasalazine.

D L Scott1, J MacCarthy

  • 1Department of Rheumatology, St Bartholomew's Hospital, London.

European Journal of Rheumatology and Inflammation
|January 1, 1991
PubMed
Summary
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This study found significant variations in how rheumatologists prescribe sulphasalazine for rheumatoid arthritis patients across different centers. These differences in prescribing patterns and patient outcomes question the comparability of clinical practices.

Area of Science:

  • Rheumatology
  • Clinical Pharmacy
  • Health Services Research

Background:

  • Audit and resource management in healthcare highlight variations in clinical practice.
  • Sulphasalazine is a commonly used slow-acting anti-inflammatory drug for rheumatoid arthritis.

Purpose of the Study:

  • To investigate variations in the clinical use of sulphasalazine among rheumatologists.
  • To assess differences in patient selection, treatment duration, and response rates across rheumatology centers.

Main Methods:

  • A prospective study involving 298 rheumatoid arthritis patients.
  • Data collected from 24 rheumatology centers in South East England over 6 months.
  • Analysis of patient characteristics, treatment adherence, and clinical/laboratory responses.

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Main Results:

  • Significant inter-center variations were observed in patient selection for sulphasalazine therapy.
  • Substantial differences noted in the number of patients remaining on treatment and their 6-month response rates.
  • Observed variations between centers exceeded the expected therapeutic effect of sulphasalazine.

Conclusions:

  • Wide variations exist in the clinical application of sulphasalazine for rheumatoid arthritis, despite general agreement on its use.
  • These findings challenge the validity of comparing clinical practices and costs between centers for even straightforward treatments.
  • Highlights the need for standardized guidelines or further investigation into factors driving practice variations.