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The project is a three-armed study designed to evaluate the efficacy of amodiaquine(AQ), sulphadoxine-pyrimethamine(SP) and(AQ+SP) in three sites in Cameroon that differ in their baseline characteristics for malaria. In addition, drug resistance will be determined by measurement of blood drug levels,and identification of molecular markers of resistance.
Full description
The objectives of this study are:- .
Patients will be rapidly screened for temperature and sent to the laboratory to determine the presence or absence of malaria parasites. The patients will then be examined clinically for inclusion or exclusion. Consent will be sort from the parents and the children randomised and assigned study numbers. To avoid bias in assigning the patients to groups and to ensure equal numbers in the treatment groups, blocked randomization will be performed, using a table of random variables of varying block sizes. The physician is blinded to what treatment the patient gets.
Amodiaquine will be administered at 10mg/kg on each of the three days to children in the AQ treatment group, together with Fansidar dummy tablets. Fansidar will be given at 25 mg/kg on day 0 and quinine as rescue drug at 10mg/kg per 8H for 6 days. For the AQ/SP combination, on D0, patients will be given both 25 mg/kg SP and 10mg/kg AQ. On subsequent days the AQ or its dummy tablets(SP arm) will be given.
Clinical assessment during the study will include: physical examination and monitoring of vital signs on D0, D3, D7, D14 and D28. Hematological measurements will include: blood films, haemoglobin,glucose,blood drug levels,and baseline haematology. A maximum of 3ml of blood will be withdrawn from the patients in Yaoundé for complete analyses(see below). For patients recruited at Limbe and Garoua only finger prick blood filter paper samples will be obtained.
Day 0 blood samples (3mL) will be collected aseptically by venepuncture before therapy from each of 50 patients in Yaoundé using acid-citrate-dextrose buffer (ACD) as anticoagulant. This will be processed to provide plasma for immunological determinations and for haematology and blood drug level determinations.
The molecular characterization of diversity and mutations:
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Data sourced from clinicaltrials.gov
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