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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Intrarectal Quinimax (an association of Cinchona alkaloids) for the treatment of Plasmodium falciparum malaria in children in Niger: efficacy and pharmacokinetics.

In an attempt to avoid the complications associated with intramuscular quinine administration, we assessed the intrarectal route. Sixty-six children aged from 2 to 10 years with Plasmodium falciparum malaria were included in the study, which took place in Niamey, Niger. Fifty-five children were given 20 mg/kg of the diluted injectable form of Quinimax (a quinine, quinidine, cinchonine, cinchonidine association) intrarectally. A further 11 children with malaria were treated with 12.5 mg/kg of the same Quinimax solution by the intramuscular route. All the children were treated twice a day for 3 d. Blood samples were drawn from 20 children (15 treated intrarectally and 5 intramuscularly) for a kinetic study. Both modes of administration were well tolerated. Mean fever clearance times (+/- standard errors) were 48.6 +/- 2.7 h and 35.9 +/- 2.2 h in the intrarectal and intramuscular groups, respectively (P = 0.05). Mean parasite clearance times (+/- standard errors) and mean times to achieve 50% reduction in parasitaemia (+/- standard errors) were similar after intrarectal (46.5 +/- 5.7 h and 7.8 +/- 0.9 h respectively) and intramuscular administration (27.4 +/- 3.6 h and 8.7 +/- 1.7 h, respectively). Tmax. after intrarectal administration (2.7 +/- 0.4 h) did not differ significantly from the value after intramuscular administration (1.1 +/- 0.6 h), but Cmax. and the area under the concentration-time curve from 0 to 48 h were lower (4.9 +/- 0.6 mg/L and 230.0 +/- 9.6 mg/L.h, respectively) than after intramuscular administration (9.1 +/- 1.2 mg/L and 356.0 +/- 4.2 mg/L.h, respectively) (P < 0.001). Compared to the intramuscular route, intrarectal Quinimax bioavailability was 40%.(ABSTRACT TRUNCATED AT 250 WORDS)[1]

References

  1. Intrarectal Quinimax (an association of Cinchona alkaloids) for the treatment of Plasmodium falciparum malaria in children in Niger: efficacy and pharmacokinetics. Barennes, H., Kahiatani, F., Pussard, E., Clavier, F., Meynard, D., Njifountawouo, S., Verdier, F. Trans. R. Soc. Trop. Med. Hyg. (1995) [Pubmed]
 
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