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Ann Trop Med Parasitol. 1998 Mar;92(2):151-8.

Treatment of visceral leishmaniasis with sodium stibogluconate in Sudan: management of those who do not respond.

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  • 1Institute of Endemic Diseases, University of Khartoum, Sudan


Almost all (98%) of 1593 visceral leishmaniasis (VL) patients treated with sodium stibogluconate (Pentostam; Wellcome) in Sudan between 1989 and 1995 and follow-up responded well to treatment. However, the other 33 patients, all of whom were seronegative for HIV, showed partial or no response. The two main causes of unresponsiveness were primary drug resistance (39.3%) and low drug dosages given at peripheral dispensaries (30.3%). All of those who had been sub-optimal doses were cured when adequate doses of the drug were given. A third cause was concurrent disease, particularly pulmonary tuberculosis (18%). With treatment of the concurrent disease, patients responded well to Pentostam. Eight patients who failed to respond to repeated courses of Pentostam did not benefit from pentamidine or sterol inhibitors. Three of these patients responded to liposomal amphotericin B, two responded to splenectomy in association with Pentostam therapy, and three died. Pentostam, given in adequate doses, still appears to be the drug of choice for the treatment of VL in the Sudan Liposomal amphotericin B is a suitable second-line drug.

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