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  • Title: The long-term use of zidovudine in patients with severe immune-mediated thrombocytopenia secondary to infection with HIV.
    Author: Rarick MU, Espina B, Montgomery T, Easley A, Allen J, Levine AM.
    Journal: AIDS; 1991 Nov; 5(11):1357-61. PubMed ID: 1768385.
    Abstract:
    Various treatments for HIV-related thrombocytopenia have been reported. Since etiologies of the thrombocytopenia may differ with regard to risk group treatment outcomes may also vary. We have recently studied the long-term use of zidovudine in individuals with sexually transmitted HIV infection and severe thrombocytopenia. Twenty-five men, median age 34 years (range, 23-51 years), were treated with zidovudine (1000 mg/day) for a median duration of 12 months (range, 2.5- less than 26 months). Nineteen patients (76%) had had episodes of symptomatic bleeding secondary to thrombocytopenia prior to study entry. All patients bleeding symptoms resolved with therapy. Six (24%) achieved a complete response, with normalization of platelet counts, while 11 patients (44%) achieved a partial response, giving an overall response rate of 68%. The median time to partial or complete normalization of platelet counts was 12 weeks (range, 4-62 weeks). Toxicities were minimal during the study period. Only one patient developed an AIDS-defining diagnosis while on therapy. We conclude that patients with sexually transmitted HIV infection and immune thrombocytopenia may need a prolonged period of therapy with zidovudine to achieve a platelet response. Other treatment modalities may be required for the 30% of patients who do not respond to zidovudine.
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