Background: This study aimed to describe the kinetics of Leishmania parasite load determined using kinetoplast DNA (kDNA)-based quantitative polymerase chain reaction (qPCR) in visceral leishmaniasis (VL) patients.

Methods: Parasite load in blood was assessed by qPCR at five time points, up to 12 months post-diagnosis. Sixteen patients were followed up.

Results: A significant reduction in the parasite load was observed after treatment (P < 0.0001). One patient had an increased parasite load 3 months post-treatment and relapsed clinically at month six.

Conclusions: We have described the use of kDNA-based qPCR in the post-treatment follow-up of VL cases.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10042474PMC
http://dx.doi.org/10.1590/0037-8682-0456-2022DOI Listing

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