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Intravenous dexamethasone pulse therapy in diffuse systemic sclerosis. A randomized placebo-controlled study

B Sharada1, A Kumar, R Kakker

  • 1Department of Medicine, All India Institute of Medical Sciences, New Delhi.

Rheumatology International
|January 1, 1994
PubMed
Summary

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Intravenous pulse dexamethasone therapy showed significant improvement in skin involvement and flexion index for patients with diffuse systemic sclerosis. This treatment may be a beneficial option for managing this condition.

Area of Science:

  • Rheumatology
  • Immunology
  • Dermatology

Background:

  • Diffuse systemic sclerosis is a complex autoimmune disease affecting connective tissues.
  • Limited effective treatment options exist for systemic sclerosis, necessitating research into novel therapeutic approaches.

Purpose of the Study:

  • To evaluate the efficacy and safety of intravenous pulse dexamethasone therapy in patients with diffuse systemic sclerosis.
  • To assess the impact of this treatment on various clinical and laboratory parameters of the disease.

Main Methods:

  • A randomized, placebo-controlled, double-blind study was conducted with 35 patients diagnosed with diffuse systemic sclerosis.
  • Patients received either monthly intravenous dexamethasone pulse therapy (100 mg) or a placebo for six months.
  • Disease status was assessed at baseline and after six months using parameters including total skin score (TSS), flexion index, and functional disability.

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Main Results:

  • The dexamethasone group showed a significant decrease in the total skin score (TSS) and improvement in the flexion index.
  • In contrast, the placebo group experienced an increase in TSS, indicating disease progression.
  • No significant changes were observed in other assessed parameters, including extension index, oral opening, joint mobility, Raynaud's phenomenon, or laboratory markers.

Conclusions:

  • Intravenous pulse dexamethasone therapy demonstrates potential efficacy in improving skin manifestations and joint mobility in diffuse systemic sclerosis.
  • The treatment was generally well-tolerated, with adverse effects limited to a mild increase in chest infections.
  • Further research is warranted to confirm these findings and establish optimal treatment protocols.