Gastric emptying time in renal transplant recipients treated with cyclosporine.

Abstract:

:Gastric emptying time (GET) appears to be a rate-limiting factor in the absorption of cyclosporine-A (CsA) and may be responsible for intra- and interpatient variability of CsA bioavailability. Few studies have assessed gastric motility after renal transplantation. The purpose of this study was to evaluate gastric emptying of semi-solid material in stable renal transplant patients with reference to blood CsA levels. The GET of semi-solids (GET t(1/2), half emptying time) was measured in 16 transplant recipients who were taking CsA (Neoral), prednisolone and azathioprine (or mycophenolate mofetil). The GET (t(1/2)) measured by radionuclide methods, was analyzed with reference to the daily CsA doses, levels of CsA (C(0)), and serum creatinine concentrations. The mean GET (t(1/2)) was 89.1 +/- 26.4 minutes. Twelve patients exhibited delayed gastric emptying with a mean CsA level of 171.8 +/- 56 ng/mL and a mean dose of 4.1 +/- 1.1 mg/kg/d. The GET (t(1/2)) was not significantly correlated with the serum creatinine levels, the time since transplantation, or the CsA concentration. In addition, the correlation between the mean daily CsA dose and the GET (t(1/2)) was only weakly positive, (r =.33, P =.2) and therefore, statistically insignificant. In conclusion, it could not be ascertained whether a higher dose of CsA delays gastric emptying or whether patients with delayed emptying require higher doses of CsA. However, it is believed that determining the GET after transplantation helps in the adjustment of immunosuppressant doses.

journal_name

Transplant Proc

authors

Ozkaya O,Derici U,Buyan N,Dalgic A,Dalgic B,Cingi E,Kitapci M,Sindel S,Hasanoglu E

doi

10.1016/j.transproceed.2003.10.063

subject

Has Abstract

pub_date

2003-12-01 00:00:00

pages

2927-30

issue

8

eissn

0041-1345

issn

1873-2623

pii

S0041134503012090

journal_volume

35

pub_type

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