Abstract:
BACKGROUND:Ovarian cancer is the leading cause of gynaecological cancer-related death in Western countries. Intraperitoneal (IP) peroperative chemotherapy is an interesting therapeutic option. However, very few data are available regarding pharmacokinetics and especially population pharmacokinetics. PATIENTS AND METHODS:Thirty-one patients with advanced epithelial cancer classified as International Federation of Gynecology and Obstetrics stage IIIC were included in the study. Blood and IP samples were taken over a 24-hour period during and after IP treatment. Both total and ultrafiltered (Uf) platinum (Pt) concentrations were analysed using a population approach with nonlinear mixed-effects modelling (NONMEM) software. Improvement of the model with covariates was performed as well as assessment of the model using bootstrap and posterior visual predictive methods. RESULTS:Both IP fluid and serum pharmacokinetics were satisfactorily described with a three-compartment model for both Uf Pt and total Pt concentrations. The covariates were bodyweight for the IP volume of distribution in the Uf Pt model, and both IP and serum protein concentrations for the clearance from the central compartment in the total Pt model. A nomogram, based on the results of the Monte Carlo simulations, displays a dose recommendation regarding both the risk of renal toxicity and the potent efficacy of the treatment. A limited sampling strategy (LSS) allowing the estimation of potential risk of renal toxicity is also described. CONCLUSION:The pharmacokinetics of cisplatin during peroperative IP chemotherapy could be successfully fitted with the present model, which allowed a dosing strategy accompanied by an LSS to facilitate the follow-up of patients.
journal_name
Clin Pharmacokinetjournal_title
Clinical pharmacokineticsauthors
Royer B,Jullien V,Guardiola E,Heyd B,Chauffert B,Kantelip JP,Pivot Xdoi
10.2165/00003088-200948030-00003subject
Has Abstractpub_date
2009-01-01 00:00:00pages
169-80issue
3eissn
0312-5963issn
1179-1926pii
3journal_volume
48pub_type
杂志文章abstract::Vedolizumab is a humanized anti-α4β7 integrin monoclonal antibody that selectively blocks trafficking of memory T cells to inflamed gut tissue by inhibiting the α4β7-mucosal addressin cell adhesion molecule-1 (MAdCAM-1) interaction. Approved for treating patients with moderately to severely active ulcerative colitis (...
journal_title:Clinical pharmacokinetics
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2001-01-01 00:00:00
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journal_title:Clinical pharmacokinetics
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