Journal of Antimicrobial Chemotherapy, Vol 42, 665-667, Copyright © 1998 by The British Society for Antimicrobial Chemotherapy
FG Araujo, AA Khan, A Bryskier and JS Remington
Because combination therapy is required to treat human toxoplasmosis, we
examined combinations of the ketolides HMR 3004 and HMR 3647 with
atovaquone, clindamycin or sulphadiazine in a murine model of
toxoplasmosis. An oral dose of 50 mg/kg/day of HMR 3004 protected 30% of
mice lethally infected with Toxoplasma gondii. The same dose protected 100%
of infected mice when administered in combination with non-protective doses
of atovaquone, clindamycin or sulphadiazine. Similar results were noted
with 25 mg/kg/day of HMR 3647. These results demonstrate that these drug
combinations are highly effective for treating toxoplasmosis in mice.
ORIGINAL ARTICLES
Use of ketolides in combination with other drugs to treat experimental toxoplasmosis
Research Institute, Palo Alto Medical Foundation, CA, USA.
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