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dc.contributor.authorDansirikul, C.en
dc.contributor.authorDuffull, S.en
dc.contributor.authorMorris, R.en
dc.contributor.authorTett, S.en
dc.identifier.citationBritish Journal of Clinical Pharmacology, 2005; 60(5):560-565en
dc.description.abstract<h4>Aim</h4>To explore relationships between sirolimus dosing, concentration and clinical outcomes.<h4>Methods</h4>Data were collected from 25 kidney transplant recipients (14 M/11 F), median 278 days after transplantation. Outcomes of interest were white blood cell (WBC) count, platelet (PLT) count, and haematocrit (HCT). A naive pooled data analysis was performed with outcomes dichotomized (Mann-Whitney U-tests).<h4>Results</h4>Several patients experienced at least one episode when WBC (n = 9), PLT (n = 12), or HCT (n = 21) fell below the lower limits of the normal range. WBC and HCT were significantly lower (P < 0.05) when sirolimus dose was greater than 10 mg day(-1), and sirolimus concentration greater than 12 microg l(-1). No relationship was shown for PLT and dichotomized sirolimus dose or concentration.<h4>Conclusions</h4>Given this relationship between sirolimus concentration and effect, linked population pharmacokinetic-pharmacodynamic modelling using data from more renal transplant recipients should now be used to quantify the time course of these relationships to optimize dosing and minimize risk of these adverse outcomes.en
dc.publisherBlackwell Publishing Ltden
dc.subjectHumans; Hematologic Diseases; Postoperative Complications; Sirolimus; Immunosuppressive Agents; Leukocyte Count; Platelet Count; Hematocrit; Prognosis; Kidney Transplantation; Retrospective Studies; Dose-Response Relationship, Drug; Adulten
dc.titleRelationships between sirolimus dosing, concentration and outcomes in renal transplant recipientsen
dc.typeJournal articleen
Appears in Collections:Pharmacology publications

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