Effect of multiple dose oral ciprofloxacin on the pharmacokinetics of theophylline and indocyanine green

David E. Nix, Joseph M. Devito, Mary A. Whitbread, Jerome J. Schentag

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

Interaction between ciprofloxacin and theophylline was studied in eight male volunteers, who were randomly divided into two groups. All subjects were given intravenous theophylline and indocyanine green (ICG) on study days 0, 7 and 14. Group I subjects received ciprofloxacin 750 mg orally every 12 h on days 1-7. Group II subjects received ciprofloxacin 750 mg every 12 h on days 6-14.No significant changes in ICG clearance or half-life were noted. A significant increase in theophylline half-life and volume of distribution was observed (P<0.05); however, clearance was not significantly decreased (P = 0.1). A potentially clinically significant interaction was detected in three subjects whose theophylline clearance decreased by 42-113%. Until further clinical experience is gained, we advise caution when these agents are coadministered. Some adjustment in theophylline dosage may be required; therefore, these patients should have serum theophylline concentration measurements and careful clinical assessment for theophylline toxicity.

Original languageEnglish (US)
Pages (from-to)263-269
Number of pages7
JournalJournal of Antimicrobial Chemotherapy
Volume19
Issue number2
DOIs
StatePublished - Feb 1987
Externally publishedYes

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Indocyanine Green
Pharmacokinetics
Clearance
Theophylline
Ciprofloxacin
Toxicity
Dose
Interaction
Adjustment
Half-Life
Half-life
Volunteers
Life
Serum

ASJC Scopus subject areas

  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Physiology (medical)
  • Infectious Diseases
  • Pharmacology (medical)
  • Pharmacology
  • Microbiology

Cite this

Effect of multiple dose oral ciprofloxacin on the pharmacokinetics of theophylline and indocyanine green. / Nix, David E.; Devito, Joseph M.; Whitbread, Mary A.; Schentag, Jerome J.

In: Journal of Antimicrobial Chemotherapy, Vol. 19, No. 2, 02.1987, p. 263-269.

Research output: Contribution to journalArticle

Nix, David E. ; Devito, Joseph M. ; Whitbread, Mary A. ; Schentag, Jerome J. / Effect of multiple dose oral ciprofloxacin on the pharmacokinetics of theophylline and indocyanine green. In: Journal of Antimicrobial Chemotherapy. 1987 ; Vol. 19, No. 2. pp. 263-269.
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