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Interventions for rosacea.

E J van Zuuren1, M A Graber, S Hollis

  • 1Dermatology department B1-Q, Leiden University Medical Centre, Albinus dreef 2, Leiden, Netherlands, 2333 ZA. pijlzuur@xs4all.nl

The Cochrane Database of Systematic Reviews
|July 22, 2005
PubMed
Summary
This summary is machine-generated.

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Topical metronidazole and azelaic acid show effectiveness for rosacea treatment, alongside some evidence for oral metronidazole and tetracycline. However, high-quality randomized controlled trials are needed to confirm these findings and assess other treatments.

Area of Science:

  • Dermatology
  • Evidence-based medicine
  • Clinical trials

Background:

  • Rosacea is a common chronic facial skin condition with symptoms including flushing, redness, pimples, pustules, and dilated blood vessels.
  • Ocular involvement is frequent, and while often manageable, optimal treatment strategies remain unclear.

Purpose of the Study:

  • To systematically evaluate the available evidence on the efficacy and safety of various treatments for rosacea.

Main Methods:

  • A comprehensive literature search was conducted across multiple databases (MEDLINE, EMBASE, Cochrane Library, etc.) up to February 2005.
  • Included were randomized controlled trials (RCTs) for moderate to severe rosacea, excluding studies with significant methodological flaws.
  • Two independent reviewers performed study selection, quality assessment, and data extraction, with disagreements resolved by consensus.

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Main Results:

  • Evidence quality was generally weak due to poor methodology and reporting; 'quality of life' was not assessed in any included studies.
  • Topical metronidazole demonstrated effectiveness compared to placebo (OR 5.96, 95% CI 2.95 to 12.06).
  • Azelaic acid showed significant improvement (70-80% success vs. 50-55% for placebo, OR 2.45, 95% CI 1.82 to 3.28), and oral tetracycline was effective (OR 6.06, 95% CI 2.96 to 12.42).

Conclusions:

  • The overall quality of evidence for rosacea treatments is poor, necessitating high-quality randomized controlled trials.
  • Topical metronidazole and azelaic acid are supported by evidence of efficacy.
  • Some evidence suggests oral metronidazole and tetracycline are effective, but further research is crucial for other treatments.