Open-Label Comparative Clinical Study of Chlorproguanil−Dapsone Fixed Dose Combination (Lapdap™) Alone or with Three Different Doses of Artesunate for Uncomplicated Plasmodium falciparum Malaria
2008

Chlorproguanil-Dapsone with Artesunate for Malaria Treatment

Sample size: 223 publication 10 minutes Evidence: high

Author Information

Author(s): Wootton Daniel G., Opara Hyginus, Biagini Giancarlo A., Kanjala Maxwell K., Duparc Stephan, Kirby Paula L., Woessner Mary, Neate Colin, Nyirenda Maggie, Blencowe Hannah, Dube-Mbeye Queen, Kanyok Thomas, Ward Stephen, Molyneux Malcolm, Dunyo Sam, Winstanley Peter A.

Primary Institution: University of Liverpool

Hypothesis

What is the appropriate dose of artesunate to use in combination with chlorproguanil-dapsone for treating uncomplicated falciparum malaria?

Conclusion

The study found that adding artesunate to chlorproguanil-dapsone significantly improved the time to reduce malaria parasites compared to chlorproguanil-dapsone alone.

Supporting Evidence

  • Adding artesunate reduced the mean time to achieve a 90% reduction in parasitemia compared to chlorproguanil-dapsone alone.
  • Children showed a significant reduction in parasite viability with higher doses of artesunate.
  • Adverse events were similar across treatment groups, indicating no significant safety concerns with the combination therapy.

Takeaway

This study tested different doses of a medicine to see which one works best for treating malaria. They found that a higher dose helped people get better faster.

Methodology

An open-label clinical trial comparing chlorproguanil-dapsone alone or with artesunate at three different doses in adults and children with uncomplicated malaria.

Potential Biases

Potential bias due to the open-label design and differences in adverse event reporting between study centers.

Limitations

The study was not powered to detect differences in clinical endpoints and had stringent inclusion criteria that may limit generalizability.

Participant Demographics

116 adults (median age 27 years) and 107 children (median age 38 months) with uncomplicated malaria.

Statistical Information

P-Value

0.002

Confidence Interval

−14.1, −3.2

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0001779

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