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Pharmacokinetics of Ceftriaxone in Liver‐Transplant Recipients

Toth, A and Abdallah, HY and Venkataramanan, R and Teperman, L and Halsf, G and Rabinovitch, M and Burckart, GJ and Starzl, TE (1991) Pharmacokinetics of Ceftriaxone in Liver‐Transplant Recipients. The Journal of Clinical Pharmacology, 31 (8). 722 - 728. ISSN 0091-2700

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The disposition of ceftriaxone was studied after a single 2 g intravenous dose in seven patients 3 to 5 days after liver transplantation. Ceftriaxone concentrations in plasma, urine, and bile were measured by HPLC, and plasma protein binding was determined by equilibrium dialysis. Plasma protein binding was nonlinear, and the unbound fraction varied between 0.05 and 0.56. Both capacity and affinity were markedly different from reported values for normal subjects. The pharmacokinetic parameters obtained were: total body clearance (TBC), 11.2 ± 7.8 mL/hr/kg total and 44.8 ± 29.1 mL/hr/kg unbound; volume of distribution (Varea), 224 ± 76 mh/kg total and 767 ± 432 mL/kg unbound; steady‐state volume of distribution (Vss), 212 ± 68 mh/kg total and 651 ± 368 mL/kg unbound; terminal disposition half‐life (t1/2), 21.6 ± 14.3 hour total and 16.3 ±11.1 hour unbound. TBC for both total and free drug was considerably lower than literature values for normal subjects. Varea for total drug was greater than normal whereas the corresponding value for free drug was smaller than normal. The plasma ceftriaxone concentrations at 12 and 24 hours were above the reported minimum inhibitory concentration (MIC). The fraction of the administered dose excreted in urine over 24 hours was 38 ± 29% and did not differ markedly from that reported for normal subjects. Less than 2% of the administered dose was excreted in 24‐hour bile; however, biliary concentrations were always above MIC. Ceftriaxone can be administered once or twice daily at a dose of 2 g/day for prophylaxis in liver transplant recipients. 1991 American College of Clinical Pharmacology


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Item Type: Article
Status: Published
CreatorsEmailPitt UsernameORCID
Toth, A
Abdallah, HY
Venkataramanan, Rrv@pitt.eduRV
Teperman, L
Halsf, G
Rabinovitch, M
Burckart, GJ
Starzl, TEtes11@pitt.eduTES11
Centers: Other Centers, Institutes, Offices, or Units > Thomas E. Starzl Transplantation Institute
Date: 1 January 1991
Date Type: Publication
Journal or Publication Title: The Journal of Clinical Pharmacology
Volume: 31
Number: 8
Page Range: 722 - 728
DOI or Unique Handle: 10.1002/j.1552-4604.1991.tb03767.x
Institution: University of Pittsburgh
Refereed: Yes
ISSN: 0091-2700
Other ID: uls-drl:31735062117910, Starzl CV No. 1240
Date Deposited: 08 Apr 2010 17:21
Last Modified: 22 Jun 2021 10:55


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