Please use this identifier to cite or link to this item: https://observatorio.fm.usp.br/handle/OPI/31905
Title: Longitudinal Pharmacokinetics of Mycophenolic Acid in Elderly Renal Transplant Recipients Compared to a Younger Control Group: Data from the nEverOld Trial
Authors: ROMANO, PaschoalinaAGENA, FabianaEBNER, Persio de Almeida RezendeSUMITA, Nairo MassakazuTRIBONI, Ana Heloisa KamadaRAMOS, FernandaGARCIA, Marcio dos SantosDUARTE, Nilo Jose CoelhoLEMOS, Francine Brambate CarvalhinhoGALANTE, Nelson ZocolerDAVID-NETO, Elias
Citation: EUROPEAN JOURNAL OF DRUG METABOLISM AND PHARMACOKINETICS, v.44, n.2, p.189-199, 2019
Abstract: Background and ObjectivesElderly patients are increasingly likely to be recipients of transplants. However, the pharmacokinetics of mycophenolic acid (MPA) in this population are yet to be studied in detail. The objective of this study was to assess whether there were differences in MPA pharmacokinetic parameter values between elderly recipients and younger-adult recipients during the 6months immediately following renal transplantation.MethodsIn this analysis, the longitudinal 12-h pharmacokinetics of MPA, administered as enteric-coated mycophenolate sodium (EC-MPS), were evaluated in 44 elderly renal transplant recipients and compared with the corresponding pharmacokinetics of MPA in 31 younger adult recipients. Measurements were performed at 7, 30, 60, 90, and 180days post-transplantation. All patients received tacrolimus and prednisone.ResultsThe elderly patients were 30years older than the younger controls, with a predominance of males and Caucasians. Elderly patients had lower serum albumin than the younger controls during the first 6months after transplantation. The mean estimated total body MPA clearance of the elderly recipients was not significantly different from that of the controls at any analyzed time point (the mean clearance across all time points was 0.310.17 vs 0.300.25L/h/kg). MPA exposure, as evaluated from the area under the 12-h time versus measured MPA concentration (adjusted for dose/body weight) curve, did not differ between the groups at any time point (mean exposure across all time points was 4.68 +/- 3.61 vs 5.95 +/- 4.29 mu g<bold>h</bold>/mL per mg/kg for the elderly recipients and the controls).ConclusionsThese data show that the pharmacokinetics of MPA in elderly renal transplant recipients were no different to those of younger-adult recipients in this study population.Clinicaltrials.govp id=""Par5000"">NCT 01631058.
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