Effect of treatment with interferon-gamma alone in visceral leishmaniasis.
Interferon-gamma (IFN-gamma) enhances the therapeutic response to pentavalent antimony in patients with visceral leishmaniasis. To determine the effect of cytokine immunotherapy alone, 9 patients with kala-azar were treated with IFN-gamma before receiving antimony. After 20 days of IFN-gamma therapy, 4 patients showed no parasitologic response; in the remaining 5 patients, however, splenic aspirate parasite scores declined from 4.2 +/- 0.2 to 1.2 +/- 0.5 (mean +/- SE). These results indicate that treatment with IFN-gamma alone can induce visceral antileishmanial activity. However, the limited efficacy in this uncontrolled pilot trial suggests that the therapeutic role of IFN-gamma in kala-azar is that of an adjunct to conventional antimony treatment.[1]References
- Effect of treatment with interferon-gamma alone in visceral leishmaniasis. Sundar, S., Murray, H.W. J. Infect. Dis. (1995) [Pubmed]
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