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  • Title: Prevention of Pneumocystis carinii pneumonia and of cerebral toxoplasmosis by roxithromycin in HIV-infected patients.
    Author: Durant J, Hazime F, Carles M, Pechere JC, Dellamonica P.
    Journal: Infection; 1995; 23 Suppl 1():S33-8. PubMed ID: 7782114.
    Abstract:
    The prevention of cerebral toxoplasmosis and of Pneumocystis carinii pneumonia is an essential objective in the management of patients infected with HIV. Given that roxithromycin is active in vitro against Toxoplasma gondii and that in 1989 Dolermann reported the effective treatment of P. carinii respiratory infections with erythromycin, a randomized pilot study was undertaken in 52 patients infected with HIV. Patients were treated with either: a monthly dose of pentamidine aerosol (300 mg); roxithromycin once a week (300 mg t.i.d.); or a combination of pentamidine aerosol and roxithromycin. Intention to treat analysis was applied to these 52 patients, all of whom received at least one treatment dose. Five out of 18 patients treated with pentamidine aerosol, 1/17 patients treated with pentamidine aerosol + roxithromycin and none of the 17 patients treated with roxithromycin developed cerebral toxoplasmosis (p = 0.038). P. carinii pneumonia was diagnosed in one patient in the pentamidine aerosol-treated group, in one patient treated with roxithromycin and in none of the patients treated with pentamidine aerosol + roxithromycin (non-significant difference). Four cases of Mycobacterium tuberculosis and Mycobacterium avium-intracellulare infection were seen in the pentamidine aerosol-treated group (p = 0.028) and none in the roxithromycin groups. Adverse events leading to the discontinuation of treatment occurred in 5/34 (14.7%) patients treated with roxithromycin. Nausea, abdominal pain and raised transaminases occurred in four patients and a skin allergy in the final patient. Roxithromycin appears to be effective in the prevention of pulmonary pneumocystis infection and of cerebral toxoplasmosis in HIV-infected patients. However, these results require confirmation in a larger study.
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