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To assess the degree to which policy changes to artemisinin-based combination therapies (ACTs) as first-line treatment for uncomplicated malaria translate into effective ACT delivery. Prospective observational study of drug dispensing practices at baseline and during the 3 years following introduction of ACT with sulfadoxine-pyrimethamine (SP) plus artesunate (AS) in Rufiji District, compared with two neighbouring districts where SP monotherapy remained the first-line treatment, was carried out. Demographic and dispensing data were collected from all patients at the dispensing units of selected facilities for 1 month per quarter, documenting a total of 271 953 patient encounters in the three districts. In Rufiji, the proportion of patients who received a clinical diagnosis of malaria increased from 47.6% to 57.0%. A majority (75.9%) of these received SP + AS during the intervention period. Of patients who received SP + AS, 94.6% received the correct dose of both. Among patients in Rufiji who received SP, 14.2% received SP monotherapy, and among patients who received AS, 0.3% received AS monotherapy. The uptake of SP + AS in Rufiji was rapid and sustained. Although some SP monotherapy occurred, AS monotherapy was rare, and most received the correct dose of both drugs. These results suggest that implementation of an artemisinin combination therapy, accompanied by training, job aids and assistance in stock management, can rapidly increase access to effective antimalarial treatment. [ABSTRACT FROM AUTHOR]

Objective To investigate the variation in malaria parasitaemia, reported fever, care seeking, antimalarials obtained and household expenditure by socio-economic status (SES), and to assess the implications for ensuring equitable and appropriate use of antimalarial combination therapy. Methods A total of 2500 households were surveyed in three rural districts in southern Tanzania in mid-2001. Blood samples and data on SES were collected from all households. Half the households completed a detailed questionnaire on care seeking and treatment costs. Households were categorised into SES thirds based on an index of household wealth derived using principal components analysis. Results Of individuals completing the detailed survey, 16% reported a fever episode in the previous 2 weeks. People from the better-off stratum were significantly less likely to be parasitaemic, and significantly more likely to obtain antimalarials than those in the middle or poor stratum. The better treatment obtained by the better off led them to spend two to three times more than the middle and poor third spent. This reflected greater use of non-governmental organisation (NGO) facilities, which were the most expensive source of care, and higher expenditure at NGO facilities and drug stores. Conclusion The coverage of appropriate malaria treatment was low in all SES groups, but the two poorer groups were particularly disadvantaged. As countries switch to antimalarial combination therapy, distribution must be targeted to ensure that the poorest groups fully benefit from these new and highly effective medicines. [ABSTRACT FROM AUTHOR]