The development of new nucleic acid amplification techniques is bringing molecular diagnostics closer to the patient for faster results and improved patient management. A prime example of this latest near-patient capability is LAMP technology.
Guidelines for the diagnosis and management of many conditions often now require a molecular assay result, involving the detection of a specific nucleic acid sequence in a patient sample. The molecular result may be qualitative (eg for confirmation of the disease or condition) or quantitative (eg to measure viral loads in the monitoring of patients or to assess treatment success).
The detection of a specific nucleic acid sequence in a biological sample that contains huge amounts of DNA and/or RNA is extremely challenging. Therefore, nucleic acid amplification techniques such as the polymerase chain reaction (PCR) have been used to make multiple copies of the target nucleic acid sequence, allowing it to be detectable against background nucleic acids.
The special equipment and expertise required for molecular diagnostics previously meant that assays had to be performed in central, specialised molecular laboratories. Now, however, with the advent of more simple amplification techniques, such as loop-mediated isothermal amplification (LAMP) and quantitative LAMP (Q-LAMP), certain molecular diagnostic assays can be performed in decentralised settings. This allows molecular assay results to be in the hands of clinicians much more quickly, enabling them to make important decisions about patient treatment or management at the earliest opportunity.
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