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J Infect Dis. 1996 May;173(5):1107-14.

Phase I trial of interferon alfa-n3 in early-stage human immunodeficiency virus type 1 disease: evidence for drug safety, tolerance, and antiviral activity.

Author information

1
Department of Cellular Immunology, Walter Reed Army Institute of Research, Washington, DC, USA.

Abstract

The safety and tolerance of interferon alfa-n3 (IFN-alpha n3) was tested in 20 adults with asymptomatic human immunodeficiency virus type 1 (HIV-1) infection (> 400 CD4 lymphocytes/mm3). IFN-alpha n3 was self-injected three times per week for 3-6 months: 5 patients received 1 mega-IU (MIU)/dose, 10 received 5 MIU/dose, and 5 escalated to their maximum tolerated dose. Subjects were evaluated every 2-4 weeks through 2 months after cessation of treatment. Neuropsychological tests were given at 3-month intervals. Markers of IFN activity, anti-IFN neutralizing antibodies, and antiviral response were measured monthly. IFN-alpha n3 was safe and well tolerated: influenza-like symptoms were uncommon, laboratory toxicity was minimal, no adverse neurobehavioral side effects were evident, and no patient developed neutralizing antibodies against IFN. IFN-alpha n3 induced IFN-specific biologic responses and dose-related antiviral activity against HIV-1. Subjects showed stabilization of CD4 cells for > 20 months. IFN-alpha n3 should be studied in combination with other antiretroviral agents and in persons with more advanced HIV-1 infection.

PMID:
8627061
DOI:
10.1093/infdis/173.5.1107
[Indexed for MEDLINE]

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