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Br J Ophthalmol 2000;84:1061-1063 doi:10.1136/bjo.84.9.1061
  • Scientific correspondence

Subretinal fluid levels of topical, oral, and combined administered ciprofloxacin in humans

  1. Osman Çekiça,
  2. Coşar Batmana,
  3. Ümit Yaşarb,
  4. Nursabah E Başcib,
  5. Orhan Zilelioğlua,
  6. Atilla Bozkurtb
  1. aSSK Ankara Eye Hospital, Department of Vitreoretinal Surgery, Ankara, Turkey, bHacettepe University Medical Faculty, Department of Pharmacology, Ankara, Turkey
  1. Osman Çekiç, Başak Sokak, No 54-7, 06660, Küçükesat, Ankara, Turkey
  • Accepted 13 April 2000

Abstract

AIMS To investigate the subretinal fluid (SRF) penetration of ciprofloxacin following topical, oral, and combined administration.

METHODS 34 patients undergoing conventional retinal reattachment surgery were randomly assigned to three groups. Twelve patients received topical ciprofloxacin, 11 patients received oral ciprofloxacin, and the other 11 patients received combined drug administration. SRF drug level was measured by using high performance liquid chromatography method.

RESULTS The highest drug concentrations of all tested modes were attained following combined administration and lowest following topical administration (p <0.001). The SRF drug concentration following oral administration was also significantly higher than that of topical administration (p <0.001). Concentrations after oral and combined administration did not differ significantly (p = 0.217).

CONCLUSIONS Topical ciprofloxacin can penetrate SRF. Ocular bioavailability of ciprofloxacin in SRF after oral and combined administration is equivalent.

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