NDT Advance Access originally published online on September 9, 2008
Nephrology Dialysis Transplantation 2008 23(11):3386-3388; doi:10.1093/ndt/gfn497
© The Author [2008]. Published by Oxford University Press on behalf of ERA-EDTA. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org
Therapeutic drug monitoring for mycophenolic acid in patients with autoimmune diseases
Brenda C. M. de Winter1 and
Teun van Gelder1,2
1 Department of Hospital Pharmacy
2 Department of Internal Medicine, Erasmus Medical Center, Rotterdam, The Netherlands
Correspondence and offprint requests to: Teun van Gelder, Department of Hospital Pharmacy, Clinical Pharmacology Unit, Erasmus Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands. Tel: +31-10-703-3202; Fax: +31-10-703-2400; E-mail: t.vangelder@erasmusmc.nl
Keywords: auto-immune disease; lupus; mycophenolic acid; therapeutic drug monitoring
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Introduction
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Mycophenolate mofetil (MMF, CellCept
®) has become the most
frequently used immunosuppressive drug in kidney transplant
recipients [1]. Since its approval for the prevention of acute
rejection after kidney transplantation in 1995 in the USA and
in 1996 in Europe, the use of azathioprine has been rapidly
diminishing, giving way to the use of MMF. A second formulation
of mycophenolic acid (MPA), the active metabolite of MMF, has
become available as enteric-coated mycophenolate sodium (EC-MPS,
Myfortic®). Randomized clinical trials have shown that EC-MPS
720 mg b.i.d. is therapeutically equivalent to MMF 1000 mg b.i.d.
with a comparable safety profile [2,3]. These equimolar doses
of EC-MPS and MMF produce equivalent MPA exposure. The delayed
release formulation, EC-MPS, exhibits more variable pre-dose
MPA concentrations and more variable peak concentrations [4].
Because of the favourable experience with MMF in transplant recipients, combining good efficacy with relatively few . . . [Full Text of this Article]
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Lupus nephritis
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ANCA-associated vasculitis
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Optimal dosing
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Correlating MPA exposure to clinical outcome
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Unanswered questions
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What can we do now?
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Conclusion
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