Visceral leishmaniasis-hepatitis B/C coinfections: a rising necessity to triage patients for treatment

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BACKGROUND AND OBJECTIVES: Visceral leishmaniasis (VL) is a life-threatening infection caused by Leishmania species. In Sudan, VL is caused by L donovani. Most drugs used to treat VL, especially pentavalent antimony compounds (sodium stibogluconate, SSG), are potentially hepatotoxic. A number of fatal catastrophes happened because patients with VL-hepatitis B/C coinfection were indiscriminately treated with SSG in settings where VL and viral hepatitis coexist. This study aimed to study biochemical and hematological parameters of patients with VL-hepatitis B/C coinfections with the aim to modify treatment protocols to reduce coinfection.added morbidity and mortality. DESIGN AND SETTINGS: This was a prospective analytical, hospital-based, and case-controlled study. The study was done at Kassab Hospital and Professor Elhassan Centre for tropical medicine during the period of February 2008 to April 2013. MATERIALS AND METHODS: Following informed consent by the participants, 78 parasitologically confirmed VL patients with either hepatitis B or C or both and 528 sex- and age-unmatched VL patients without hepatitis B/C coinfection (control group) were enrolled sequentially. Diagnosis of hepatitis B or C was made using immunochromatographic test kits and confirmed by an enzyme-linked immunosorbent assay. RESULTS: VL patients with hepatitis B/C coinfections had significantly increased levels of AST, ALT, and total bilirubin compared to the control group (P=.0001 for all), with significantly decreased levels of albumin and platelets counts (P=.0029 for both). CONCLUSION: VL-hepatitis B/C coinfections are an emerging entity that needs anti-leishmanial treatment modification. Alternative treatments like paromomycin and amphotericin B (AmBisome) could be reserved for these patients.

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