A comparative clinical trial between two newly introduced intralesional treatments for acute leishmaniasis and the established treatment of intralesionally-administered pentavalent antimony compounds was performed. Treatments were allocated randomly to a total of 63 patients who received 2% zinc sulphate, 7% sodium chloride solutions or sodium stibogluconate intralesionally. A number of patients were left without treatment as controls. Patients were followed-up for 45 days, the results showing that the three treatments gave comparable cure rates by the end of the follow-up period. However, zinc sulphate gave a high cure rate (94.8%) usually with a single injection.
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Sharquie et al. (1997) studied this question.
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