Leprosy Diagnostic Landscape

Loop-Mediated Isothermal Amplification (LAMP)

Isothermal amplification at a single temperature with turbidimetric or colorimetric detection. It requires no thermal cycler, tolerates crude lysates and is compatible with battery-powered heating blocks.

Technology
Molecular (NAAT) · Isothermal amplification
What it measures
RLEP or 16S rRNA (M. leprae DNA)
Developer
Multiple laboratories
Specimen
Slit-skin smear
Development status
LDT with clinical validation
Regulatory status
None / RUO
Intended use
Field-based confirmation of infection where thermal cycling is unavailable
Main limitation
The open-tube read-out risks contamination, and performance varies between primer sets.
Linked publications
13
TPP-1, confirming leprosy
33.5 of 100, low alignment
TPP-2, infection in contacts
28.0 of 100, low alignment
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