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J Infect Dis. 1998 Sep;178(3):858-61.

Administration of imiquimod, an interferon inducer, in asymptomatic human immunodeficiency virus-infected persons to determine safety and biologic response modification.

Author information

1
Department of Medical Oncology, Prince of Wales Hospital, National Centre in HIV Epidemiology and Clinical Research, University of New South Wales, Sydney, Australia. d.goldstein@unsw.edu.au

Abstract

A phase I study to determine safety, maximum tolerated dose, and biologic response during multiple once-a-week administration of oral imiquimod, an immune response modifier, was conducted in 12 adults with early human immunodeficiency virus (HIV) infection. All completed the dose-escalation phase of weekly dosing at 100-mg increments and received at least one maintenance dose, 100 mg below the patient's toxic dose, for 12 weeks. Dose-limiting toxicity occurred in 3 patients at 200-mg, 5 at 300-mg, and 3 at 400-mg dose levels. One tolerated the 500-mg dose without dose-limiting toxicity. Dose-limiting toxicities included fatigue, fever, malaise, increased transaminases, hypotension, vomiting, and depression. Seven of 12 completed 12 weeks of maintenance. At > or = 200 mg of imiquimod, all patients had biologic responses, measured by elevations in serum interferon, beta2-microglobulin, and neopterin levels. Imiquimod induced pronounced levels of circulating interferon in asymptomatic HIV-infected persons, with variable effect on virus load.

PMID:
9728559
DOI:
10.1086/515343
[Indexed for MEDLINE]

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