Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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van Hest, R.M. et al.

Reinier M. van Hest, Jeanette K. Doorduijn, Brenda C. M. de Winter, Jan J. Cornelissen, Arnold G. Vulto, Michael Oellerich, Bob Löwenberg, Ron A. A. Mathot, Victor William Armstrong, Teun van Gelder,

Pharmacokinetics of mycophenolate mofetil in hematopoietic stem cell transplant recipients.

Mycophenolate mofetil (MMF), a prodrug of mycophenolic acid (MPA), is increasingly used in the prophylaxis of graft-versus-host disease (GVHD) after hematopoietic stem cell transplantation (HCT). Few pharmacokinetic data are available about the use of MMF for this indication. This case series aimed at analyzing the pharmacokinetics of MMF in a population of HCT recipients representative for everyday practice. From 15 HCT recipients, serial plasma samples were taken after twice-daily oral intake of MMF. Plasma concentrations of total MPA and its glucuronide metabolites, as well as free MPA, were quantified. Median apparent oral MPA clearance (CL/F), apparent half-life, and total MPA area under the curve for hours 0 to 12 (AUC0-12, normalized to 1000 mg MMF) were, respectively, 56 L/h (range: 29-98 L/h), 2.3 hours (range: 0.8-5.7 hours), and 18.0 mg*h/L (range: 10-35 mg*h/L). Total MPA concentrations were below 2 mg/L 8 hours after MMF administration, indicating reduced enterohepatic recirculation. Median free MPA AUC0-12 (normalized to 1000 mg MMF) was 224 microg*h/L (range: 56-411 microg*h/L). Because of high CL/F, total MPA exposure in HCT recipients is low and apparent half-life is short in comparison with reference values from renal transplantation. Exposure may be improved in HCT recipients by higher or more frequent MMF dosing.[1]

References

Pharmacokinetics of mycophenolate mofetil in hematopoietic stem cell transplant recipients. van Hest, R.M., Doorduijn, J.K., de Winter, B.C., Cornelissen, J.J., Vulto, A.G., Oellerich, M., Löwenberg, B., Mathot, R.A., Armstrong, V.W., van Gelder, T. Ther. Drug. Monit (2007) [Pubmed]

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