Leprosy Diagnostic Landscape

CRISPR-Cas12/Cas13 Detection

Guide RNA-directed activation of a Cas nuclease, with collateral cleavage of a reporter substrate, coupled to isothermal pre-amplification. The recognition step confers single-nucleotide discrimination, permitting combined detection and resistance genotyping.

Technology
Molecular (NAAT) · CRISPR diagnostics
What it measures
M. leprae DNA/RNA with collateral cleavage read-out
Developer
Laboratory-developed (no single developer)
Specimen
Slit-skin smear
Development status
Assay in development
Regulatory status
None / RUO
Intended use
Combined detection and resistance genotyping with single-nucleotide discrimination
Main limitation
No published leprosy study, so performance is estimated from work on related mycobacteria.
Linked publications
TPP-1, confirming leprosy
39.0 of 100, partial alignment
TPP-2, infection in contacts
35.0 of 100, partial alignment
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