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. 1987 Apr;23(4):467–472. doi: 10.1111/j.1365-2125.1987.tb03077.x

Single dose disposition of chloroquine in kwashiorkor and normal children--evidence for decreased absorption in kwashiorkor.

O Walker, A H Dawodu, L A Salako, G Alván, A O Johnson
PMCID: PMC1386097  PMID: 3580252

Abstract

The single dose disposition of chloroquine was studied in five children with kwashiorkor and six normal control children after an oral dose of 10 mg kg-1 of chloroquine base. Plasma concentrations of chloroquine and its main metabolite were assayed by high performance liquid chromatography (h.p.l.c.). Chloroquine was detectable for up to 21 days in all the subjects. Chloroquine was detectable in all the subjects within 30 min after giving the drug except in one subject. Peak levels were reached between 0.5 and 8 h in all the subjects (with no significant difference in the tmax between the two groups of children). Peak plasma chloroquine concentrations in the children with kwashiorkor varied from 9 ng ml-1 to 95 ng ml-1 (mean 40 +/- 34 ng ml-1). Peak chloroquine concentrations in the controls varied between 69 ng ml-1 and 330 ng ml-1 (mean 134 +/- 99 ng ml-1). The mean AUC in the kwashiorkor children was significantly lower than the mean AUC in the control children (P less than 0.001). Peak plasma desethylchloroquine concentrations in the children with kwashiorkor varied between 3 and 13 ng ml-1 (mean 6 +/- 9 ng ml-1) while in the controls the concentrations varied between 14 and 170 ng ml-1 (mean 50 +/- 61 ng ml-1). There was no significant difference in the half-life of chloroquine between the kwashiorkor children and the normal control children. The possible influence of a different binding and distribution pattern of chloroquine in kwashiorkor could not be assessed in this study.(ABSTRACT TRUNCATED AT 250 WORDS)

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Selected References

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