Vidarabine versus Acyclovir Therapy in Herpes Simplex Encephalitis

We randomly assigned 208 patients who underwent brain biopsy for presumptive herpes simplex encephalitis to receive either vidarabine (15 mg per kilogram of body weight per day) or acyclovir (30 mg per kilogram per day) for 10 days. Sixty-nine patients (33 percent) had biopsy-proved disease; 37 rece...

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Veröffentlicht in:The New England journal of medicine 1986-01, Vol.314 (3), p.144-149
Hauptverfasser: Whitley, Richard J, Alford, Charles A, Hirsch, Martin S, Schooley, Robert T, Luby, James P, Aoki, Fred Y, Hanley, Daniel, Nahmias, Andre J, Soong, Seng-Jaw
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Sprache:eng
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Zusammenfassung:We randomly assigned 208 patients who underwent brain biopsy for presumptive herpes simplex encephalitis to receive either vidarabine (15 mg per kilogram of body weight per day) or acyclovir (30 mg per kilogram per day) for 10 days. Sixty-nine patients (33 percent) had biopsy-proved disease; 37 received vidarabine, and 32 acyclovir. The mortality in the vidarabine recipients was 54 percent, as compared with 28 percent in the acyclovir recipients (P = 0.008). Six-month mortality varied according to the Glasgow coma score at the onset of therapy. For scores of >10, 7 to 10, and ≤6, mortality was 42, 46, and 67 percent in the patients treated with vidarabine, as compared with 0, 25, and 25 percent in those treated with acyclovir. A six-month morbidity assessment using an adapted scoring system revealed that 5 of 37 patients receiving vidarabine (14 percent) as compared with 12 of 32 receiving acyclovir (38 percent) were functioning normally (P = 0.021). Eight vidarabine-treated patients (22 percent) and three acyclovir-treated patients (9 percent) had moderate debility. Patients under 30 years of age and with a Glasgow coma score above 10 had the best outcome with acyclovir treatment. We conclude that acyclovir is currently the treatment of choice for biopsy-proved herpes simplex encephalitis. (N Engl J Med 1986; 314:144–9.) IN 1977, the National Institute of Allergy and Infectious Diseases (NIAID) Collaborative Antiviral Study Group demonstrated that mortality from biopsy-proved herpes simplex encephalitis was decreased significantly six months after treatment with vidarabine (adenine arabinoside) — from 70 percent in placebo recipients to 44 percent in drug recipients. 1 A subsequent study verified an improved mortality of 39 percent and revealed a return to normal function in nearly one third of the treated patients. 2 Age and the level of consciousness at the time of therapy initiation had the greatest influence on outcome. A return to normal function occurred most frequently in young . . .
ISSN:0028-4793
1533-4406
DOI:10.1056/NEJM198601163140303