Trial reportBMC infectious diseases2019
Piperaquine concentration and malaria treatment outcomes in Ugandan children treated for severe malaria with intravenous Artesunate or quinine plus Dihydroartemisinin-Piperaquine.
Trial report in BMC infectious diseases, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 9 citations in OpenAlex.
- A Comprehensive Review on the Pharmacokinetics and Bioanalysis of Piperaquine.Current drug metabolism · 2025Review
- Dihydroartemisinin-Piperaquine Combination in the Treatment of UncomplicatedJournal of clinical medicine · 2024Review
- Model-Informed Drug Development for Anti-Infectives: State of the Art and Future.Clinical pharmacology and therapeutics · 2021Review
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
Abstract
backgroundTreatment for severe malaria must be prompt with effective parenteral antimalarial drugs for at least 24 h to achieve fast parasite clearance, and when the patient can tolerate oral therapy, treatment should be completed with effective artemisinin based combination therapy (ACT) for complete parasite clearance and to prevent recrudescence. We evaluated piperaquine concentration and malaria treatment outcomes among Ugandan children treated for severe malaria with intravenous artesunate (AS) or quinine (QN) plus dihydroartemisinin-piperaquine (DP), in Tororo District Hospital in Eastern Uganda.
methodsCapillary blood piperaquine concentration data were obtained from a randomized clinical trial whose objective was to evaluate parasite clearance, 42-day parasitological treatment outcomes and safety, following treatment of severe malaria with intravenous AS or QN, plus artemether-lumefantrine or DP among children in Tororo District Hospital, in Eastern Uganda.
resultsPiperaquine concentration data from 150 participants who received DP were analyzed. Participants with unadjusted treatment failure had lower median day 7 capillary piperaquine concentration than those with treatment success (34.7 (IQR) (17.9-49.1) vs 66.7 (IQR) (41.8-81.9), p < 0.001), and lower than the recommended day 7 cut off level of 57 ng/mL. There was no difference in median capillary piperaquine concentrations among participants with re-infection and recrudescence (35.3 (IQR) (17.9-55.2) vs 34.8 (IQR) (18.1-45.1), p = 0.847). The risk of treatment failure was two times higher among children with low (< 57 ng/mL) day 7 capillary piperaquine concentration (relative risk: 2.1 CI 1.4-3.1), p < 0.001) compared to children with high day 7 capillary piperaquine concentrations (> 57 ng/mL).
conclusionConsidering the low day 7 concentrations of piperaquine reported in the patients studied here, we suggest to adopt the recently recommended higher dose of DP in young children or a prolonged 5-day dosing in children living in malaria endemic areas who have suffered an initial episode of severe malaria in order to achieve adequate drug exposures for effective post-treatment prophylactic effects.
trial registrationThe study was registered with the Pan African Clinical Trial Registry (PACTR201110000321348). Registered 7th October 2011.
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