Comparative evaluation of two rapid field tests for malaria diagnosis: Partec Rapid Malaria Test® and Binax Now®

Bernard Nkrumah1, Samuel Ek Acquah, Lukeman Ibrahim

  • 1Kumasi Centre for Collaborative Research in Tropical Medicine, Ghana. skrakyo@yahoo.com

Insights

Two rapid malaria diagnostic tests, Partec Rapid Malaria Test (PT) and Binax Now Malaria Rapid Diagnostic Test (BN RDT), showed high accuracy and affordability for diagnosing malaria in children in Ghana. These tests offer a reliable alternative to traditional microscopy in endemic regions.

Area of Science:

  • Malariology
  • Clinical Diagnostics
  • Public Health

Background:

  • Malaria disproportionately affects children under five in sub-Saharan Africa, with over 90% of deaths occurring in this demographic.
  • Accurate and rapid malaria diagnosis is crucial for effective disease management and treatment initiation.
  • Current diagnostic methods need to be sensitive, specific, rapid, and affordable for widespread use in endemic areas.

Purpose of the Study:

  • To compare the diagnostic performance of two novel rapid malaria tests, Partec Rapid Malaria Test (PT) and Binax Now Malaria Rapid Diagnostic Test (BN RDT).
  • To evaluate these rapid tests against the conventional Giemsa stain microscopy (GM) method for malaria diagnosis in Ghanaian children.

Main Methods:

  • Blood samples were collected from 263 febrile children at a rural hospital in Ghana.
  • Malaria parasite detection was performed using PT, BN RDT, and Giemsa stain microscopy (GM) independently.
  • Results were analyzed with GM serving as the reference standard for comparison.

Main Results:

  • Plasmodium sp. was detected in 40.7% of children by GM.
  • PT and BN RDT demonstrated high sensitivity (100% and 97.2%, respectively) and specificity (97.4% and 93.6%, respectively) compared to GM.
  • Both rapid tests showed strong agreement with microscopy, with average turnaround times of 17 minutes.

Conclusions:

  • The Partec Rapid Malaria Test and Binax Now Malaria Rapid Diagnostic Test are effective diagnostic tools for malaria in children.
  • These rapid tests are affordable, require minimal training, and offer quick results, making them suitable alternatives to microscopy in malaria-endemic regions.
  • A limitation is the inability of these tests to identify Plasmodium species.
Abstract