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[Drug-resistant malaria: problems with its definition and technical approaches]
1Laboratoire de recherche sur le paludisme, Laboratoire associé francophone 302, Organisation de coordination pour la lutte contre les endémies en Afrique centrale (OCEAC) et Institut de recherche pour le développement, Yaoundé, Cameroun.
Sante (Montrouge, France)
|May 29, 2000
Summary
The World Health Organization
Area of Science:
- Parasitology
- Pharmacology
- Molecular Biology
Context:
- Antimalarial drug resistance is a significant global health challenge.
- The 1973 World Health Organization definition of drug resistance predates modern genetic and in vitro techniques.
- Current detection methods, including in vivo and in vitro assays, have limitations in accuracy and practicality.
Purpose:
- To evaluate the adequacy of the current World Health Organization definition of antimalarial drug resistance.
- To review existing methods for detecting drug resistance in Plasmodium falciparum.
- To highlight the contributions of molecular biology and advanced analytical techniques to understanding drug resistance.
Summary:
- In vivo tests, while traditional, face challenges in field application and clinical correlation.
- In vitro assays provide quantitative data but require specialized resources and have interpretation issues.
- Molecular markers and pharmacokinetic analyses offer new insights into resistance mechanisms.
Impact:
- The current World Health Organization definition of antimalarial drug resistance is deemed inadequate.
- There is a need for updated definitions and improved diagnostic strategies.
- Advancements in technology necessitate a re-evaluation of how drug resistance is defined and detected.