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KMID : 0361120090230020135
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Korean Journal of Transplantation
2009 Volume.23 No. 2 p.135 ~ p.140
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Decision Factors on Mycophenolic Acid Dose after Renal Transplantation
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Kim Soo-Jin
Kim Myoung-Soo
Han Duck-Jong
Yang Chul-Woo
Lee Sam-Uel
Yun Ik-Jin
Cho Byoung-Soo
Lee Tae-Won
Rim Hark
Kim Myung-Jae
Han Dong-Cheol
Shin Gyu-Tae
Oh Chang-Kwon
Do Jun-Young
Han Sang-Youb
Choi Soo-Jin-Na
Na Ki-Ryang
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Abstract
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Background: Triple immunosuppressant therapy including anti-metabolites is the representative immunosuppressive therapy after renal transplantation. This study is to evaluate the factors that influence Mycophenolate sodium (MPS, Myfortic, Novartis, Basel, Switzerland) dosage patterns in renal transplantation patients who take MPS as an inosine monophosphate dehydrogenase (IMPDH) among antimetabolites.
Methods: From May 2007 to April 2008, 16 clinical departments of 14 transplantation centers in Korea retrospectively performed a survey on 650 renal transplantation recipients taking MPS. This survey collected personal information, clinical factors related to transplantation and immunosuppressive therapy.
Results: The mean age of the patients was 43.0±12.0 (7∼75) and the study included 364 males (56.0%) and 286 females (44.0%). The average follow up period after renal transplantation was 49.5±53.4 (1∼307) months. There were 366 (56.3%) living related cases, 145 (22.3%) living non-related cases and 139 (21.4%) deceased donor cases. Cyclosporine was the most common calcineurin inhibitor (CNI) used in combination therapy with MPS (476 cases, 73.2%) followed by tacrolimus (169 cases, 26.0%). The mean daily dose of MPS was 909.7±336.3 (180∼1,620)mg and the mean daily dose per kg was 15.3±5.9 (2.65∼32.73)mg/kg. The daily dose showed significant positive correlation with patient body weight but the daily dose per kg showed negative correlation. The daily dose of MPS was significantly higher in the combination therapy with cyclosporine than that with tacrolimus. The daily dose and the dose per kg decreased with increment of recipient age and post-transplant period.
Conclusions: Our study concluded that MPS dosages correlated with the combined type of CNI, post-transplant period and age.
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KEYWORD
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Mycophenolate sodium, Kidney transplantation, Dose
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