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Transplantation ; 69(3): 389-94, 2000 Feb 15.
Artigo em Inglês | MEDLINE | ID: mdl-10706048

RESUMO

BACKGROUND: The optimal regimen for the prevention and treatment of cytomegalovirus (CMV) disease in solid organ transplant recipients remains to be defined, particularly for patients with abnormal or changing renal function. METHODS: A prospective trial was conducted in patients receiving i.v. ganciclovir using a standardized dosing nomogram that corrects for renal function. Steady state peak (P) and trough (T) serum levels were determined by high-performance liquid chromatography and correlated with therapeutic outcomes and toxicities attributable to ganciclovir. RESULTS: Over the study period, 44 individuals received ganciclovir prophylaxis (5 mg(kg/day) and 25 patients were treated (5 mg/kd q12 hr) for symptomatic CMV disease. Ganciclovir levels (microg/ml+/-SD) achieved in prophylaxis were P: 7.98+/-3.34, T: 3.03+/-2.63; and in treatment were P: 9.00+/-3.72, T: 2.65+/-1.82. Despite corrections for renal dysfunction, undialyzed patients with serum creatinine >3.0 mg/dl had trough levels in excess of the population mean (T: range 3-8 microg/ml). Failure of prophylaxis (disease) or therapy (relapse) occurred in 14 patients; 8 of these were at risk for primary infection (donor CMV seropositive, recipient seronegative, P<0.01). Patients at greatest risk for relapse after treatment of CMV disease were liver transplant recipients, patients with ganciclovir-resistant viral isolates, and renal patients with six antigen MHC donor-recipient mismatches. CONCLUSIONS: This trial demonstrates the efficacy of a nomogram for ganciclovir dosing during renal dysfunction; reduced doses can be used for prophylaxis for undialyzed patients with renal dysfunction (1.25 mg/kg/day for Cr > or =3.0, 1.25 mg/kg QOD for Cr > or =5.0). Some groups of transplant recipients may require more intensive anti-CMV regimens.


Assuntos
Antivirais/administração & dosagem , Infecções por Citomegalovirus/prevenção & controle , Citomegalovirus , Ganciclovir/administração & dosagem , Transplante de Órgãos/efeitos adversos , Adulto , Infecções por Citomegalovirus/etiologia , Humanos , Injeções Intravenosas , Estudos Prospectivos , Transplante Homólogo
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