GANCICLOVIR THERAPY OF SEVERE CYTOMEGALOVIRUS INFECTIONS IN SOLID-ORGAN TRANSPLANT RECIPIENTS

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Abstract
The clinical and virologic efficacy of ganciclovir (9-[1,3-dihydroxy-2-propoxymethyl]guanine) in the treatment of severe CMV infections in solid organ transplant recipients was investigated. Twelve patients (9 liver and 3 kidney transplant recipients) with CMV retinitis, esophagitis, hepatitis, or pneumonia received ganciclovir at a dose of 0.75–7.5 mg/kg/day for 10–30 days (mean duration 17 days). Clinical stabilization or improvement occurred in 8 patients (67%). Serial liver biopsies in 6 liver allograft recipients with CMV hepatitis demonstrated substantial histologic improvement on treatment. Of 6 patients with CMV pneumonia, 4 (67%) recovered and survived. Cultures of blood and other sites became negative in 9 patients (75%). Three patients (25%) had recurrent viral shedding after treatment, but none of these relapsed with invasive infections. Mild neutropenia was the only side effect encountered but was frequent (67%). The overall survival rate was 50%. Ganciclovir is effective in reducing CMV shedding in solid organ transplant recipients and is well tolerated. Our experience suggests a clinical benefit as well in patients with severe, invasive CMV disease. Relapse, in contrast to patients with the acquired immunodeficiency syndrome, is infrequent.