The Appropriate Indicator Should be Used to Assess Treatment Failure in STH Infections
2011

Concerns About Albendazole Treatment for Hookworm

Commentary Evidence: moderate

Author Information

Author(s): Montresor Antonio, Engels Dirk, Chitsulo Lester, Gabrielli Albis, Albonico Marco, Savioli Lorenzo, Lammie Patrick

Primary Institution: World Health Organization

Hypothesis

The cure rate is not a valid indicator for assessing drug efficacy in treating hookworm infections.

Conclusion

The authors argue that the egg reduction rate is a more appropriate measure of drug efficacy than the cure rate.

Supporting Evidence

  • The authors argue that cure rates are influenced by infection intensity and testing methods.
  • The egg reduction rate shows over 80% efficacy for albendazole against hookworms.
  • The main goal of treatment is to reduce the number of worms, not just to cure individuals.
  • The WHO continues to recommend mebendazole and pyrantel for treating STH infections.

Takeaway

The study says that just counting how many people are cured isn't enough to know if a medicine works well against hookworms; we should look at how many eggs are reduced instead.

Potential Biases

The authors express concern about potential bias in interpreting drug efficacy based on cure rates.

Limitations

The commentary does not provide original data but critiques another study's methodology.

Digital Object Identifier (DOI)

10.4269/ajtmh.2011.11-0317

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