Summary
The pharmacokinetics of ketoprofen were evaluated in 29 patients suffering from acute renal colic following a single intravenous administration as a bolus or short infusion (1.5 and 2 hours), and after a loading dose and a 24-hour infusion. Serum concentrations of ketoprofen were measured by high pressure liquid chromatography. The mean (± SD) values of clinical parameters were as follows: distribution half life = 0.34 ± 0.19h; elimination half-life = 2.05 ± 0.58h; k el = 0.968 ± 0.282h −1 ; k 21 = 0.943 ± 0.425 h −1 ; k 12 = 1.004 ± 0.708 h −1 ; volume of central compartment = 5.58 ± 1.67L; volume of tissue compartment = 5.14 ± 2.12L; plasma clearance = 5.10 ± 1.14L/h. These results concur with previously published data obtained after oral or intramuscular administration.
According to clinical observations, administration of a ketoprofen bolus suppressed pain within 5 to 30 minutes; the administration of a loading dose and a 24-hour infusion is almost never followed by a recurrence of pain, and this regimen was proposed as the dosage schedule of ketoprofen to treat renal colic.
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Debruyne, D., de Ligny, B.H., Ryckelynck, JP. et al. Clinical Pharmacokinetics of Ketoprofen After Single Intravenous Administration as a Bolus or Infusion. Clin-Pharmacokinet 12, 214–221 (1987). https://doi.org/10.2165/00003088-198712030-00003
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DOI: https://doi.org/10.2165/00003088-198712030-00003