Loop-Mediated Isothermal Amplification Detection of SARS-CoV-2 and Myriad Other Applications

Area of Science:

• Molecular Diagnostics
• Infectious Disease Research
• Public Health Preparedness

Background:

• The COVID-19 pandemic highlighted critical needs for widespread SARS-CoV-2 testing.
• Polymerase chain reaction (PCR) is the gold standard but faces limitations in demand and accessibility.
• Complementary and supplementary testing solutions are essential for pandemic control and future outbreak preparedness.

Purpose of the Study:

• To review the role and advancements of loop-mediated isothermal amplification (LAMP) in addressing global SARS-CoV-2 testing needs.
• To explore the potential of LAMP for future applications, other pathogens, and pandemic preparedness.
• To provide practical insights for researchers, implementers, and public health professionals regarding LAMP deployment.

Main Methods:

• Comprehensive review of current research on LAMP-based SARS-CoV-2 testing.
• Discussion of LAMP deployment best practices from the global LAMP (gLAMP) Consortium.
• Detailed examination of preanalytic sample processing, target amplification, amplicon detection, hardware, software, and regulatory landscape.

Main Results:

• LAMP provides a faster and simpler method for molecular diagnostics compared to traditional PCR.
• The review synthesizes best practices and validated methods for LAMP development and deployment.
• First-person accounts offer practical insights into LAMP method implementation.

Conclusions:

• LAMP is a valuable tool for expanding testing capacity for SARS-CoV-2 and other pathogens.
• The review offers a distillation of validated LAMP methods and their implementation pathways.
• LAMP has broad implications for public health, clinical settings, and policy-making in infectious disease management.