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Curative effect of conversion from mycopheolate mofetil to enteric coated mycophenolate sodium on MMF-related chronic diarrhea in renal recipients of long-term stage following transplantation

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Author:
No author available
Journal Title:
Chinese Journal of Organ Transplantation
Issue:
7
DOI:
10.3760/cma.j.issn.0254-1785.2012.07.004
Key Word:
吗替麦考酚酸酯;肾移植;胃肠道症状;腹泻;Mycophenolate mofetil;Kidney transplantation;Gastrointestinal symptoms;Diarrhea

Abstract: Objective To evaluate the curative effects of conversion from mycophenolate mofetil (MMF) to enteric-coated mycophenolate sodium (EC-MPS) on MMF-related chronic diarrhea in the renal transplant (RT) recipients of long-term stage following transplantation.Methods Twenty-six RT recipients with persistent and severe diarrhea,diagnosed as MMF-related diarrhea after a systemic examining procedure including macroscopic and microscopic examinations of the upper and lower gastrointestinal tracks,serology of the blood for CMV and culture of stool for the bacteria.In all the 26 recipients,the dosage of MMF was reduced to 250 mg,twice every day for 2 weeks.Those without significant improvement at the end of this period were shifted to EC-MPS at a dose of 180 mg,twice every day for 2 weeks.The EC-MPS dose was increased to 360 mg,twice every day if the symptoms were improved significantly at the third week after conversion,or EC-MPS was withdrawn if the diarrhea still existed.The dosage of EC-MPS would be reduced to 180 mg,twice every day if the diarrhea recurred in the next 3 months. The clinical symptoms,biological parameters and renal function were observed for 3 months after the conversion.Results ( 1 ) All the 26 recipients were switched to EC-MPS because of the persistent existence of diarrhea after reduction of MMF.After conversion,the diarrhea disappeared completely in 19 out of the 26 recipients in 2 weeks and 2 patients also showed significantly improvement of diarrhea with the total efficiency being 80.8% (21/26).In the rest 5 cases,EC-MPS was withdrawn at the second week; (2) The disturbance of internal environment was improved significantly following the EC-MPS conversion.Serum potassium,sodium and TCO2 were elevated to normal level.The benefit was predominantly observed in the recipients with moderate to severe proteinuria.The 24-h urinary protein secretion was significantly reduced from 0.76±0.48 to 0.46±0.53 (g/24 h) (P<0.05) at the third month.Conclusion In RT recipients with MMF-related chronic diarrhea after long-term stage following renal transplantation,switching MMF to EC-MPS can significantly alleviate the diarrhea and rectify the imbalance of internal environment of the recipients.

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