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Genitourin Med 72:93-97 doi:10.1136/sti.72.2.93
  • Research Article

Chlamydial cervicitis and urethritis: single dose treatment compared with doxycycline for seven days in community based practises.

  1. E M Thorpe, Jr,
  2. W E Stamm,
  3. E W Hook, 3rd,
  4. S A Gall,
  5. R B Jones,
  6. K Henry,
  7. G Whitworth,
  8. R B Johnson
  1. Department of Obstetrics and Gynecology, University of Tennessee, Memphis 38104, USA.

      Abstract

      STUDY GOAL: To compare the efficacy and safety of single 1 g oral azithromycin with doxycycline, 100 mg twice daily for seven days for treatment of uncomplicated urogenital chlamydial infection. STUDY DESIGN: Randomised, unblinded, comparative trial, involving 597 patients demonstrating clinical evidence of genital chlamydia and a positive non-culture assay for Chlamydia trachomatis. RESULTS: Among the azithromycin- and doxycycline-treated patients 61% and 60%, respectively, were asymptomatic within one week after the first dose. At two weeks, these figures increased to 86% and 83%, respectively. Bacteriological eradication, based on a negative assay, occurred in 338 (97%) of 347 azithromycin-treated patients and 161 (99%) of 163 doxycycline-treated patients. CONCLUSION: Treatment of uncomplicated chlamydial cervicitis and urethritis with single 1 g oral azithromycin is equivalent to standard therapy with doxycycline. Drug-related adverse events were approximately twice as common as previously reported for both drugs.