Progressive Disease Due to Ganciclovir-Resistant Cytomegalovirus in Immunocompromised Patients

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Abstract
CYTOMEGALOVIRUS (CMV) infections are a major cause of morbidity and mortality among immunocompromised patients, especially recipients of bone marrow and solid-organ transplants and those with the acquired immunodeficiency syndrome (AIDS).1 2 3 4 More than 90 percent of patients with AIDS are infected with CMV,4 and there is evidence of disseminated CMV at autopsy in 93 percent of this patient population.5 Ganciclovir (9-[2-hydroxy-1-(hydroxymethyl) ethoxymethyl] guanine) has been studied in preliminary clinical trials for the treatment of severe CMV disease in immunocompromised patients.6 7 8 9 10 11 12 13 14 15 16 17 Although all studies have been uncontrolled, ganciclovir appears to be beneficial in CMV retinitis and in CMV involvement of the gastrointestinal . . .