Publications by authors named "H Karunajeewa"

Article Synopsis
  • This study investigates the effectiveness and safety of different primaquine dosing strategies in preventing relapsing Plasmodium vivax malaria in children under 15 years.
  • A systematic review was conducted, analyzing various studies involving children treated with primaquine, focusing on those who received treatment over multiple days and were followed up for at least 28 days.
  • The findings from 3514 children across 27 studies were compiled to analyze different dosing regimens, assess the risk of recurrent malaria, and evaluate tolerability and safety concerning adverse effects.
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Background: Imperfect adherence is a major barrier to effective primaquine radical cure of Plasmodium vivax. This study investigated the effect of reduced adherence on the risk of P. vivax recurrence.

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Primaquine for radical cure of malaria poses a potentially life-threatening risk of haemolysis in G6PD-deficient patients. Herein, we review five events of acute haemolytic anaemia following the administration of primaquine in four malaria trials from Indonesia, the Solomon Islands, and Vietnam. Five males aged 9 to 48 years were improperly classified as G6PD-normal by various screening procedures and included as subjects in trials of anti-relapse therapy with daily primaquine.

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Article Synopsis
  • The study investigates the safety of primaquine, a medication used to eliminate dormant liver-stage parasites of Plasmodium vivax, focusing on its impact on hemolysis risk.
  • Researchers conducted a systematic review and meta-analysis of clinical studies published from 2000 to 2023, including data on patients treated with different primaquine regimens.
  • The main outcome measured was the significant reduction in hemoglobin levels (more than 25% to below 7 g/dL) by day 14 post-treatment, with analysis based on the G6PD enzyme activity levels in patients.
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Background: Primaquine is used to eliminate Plasmodium vivax hypnozoites, but its optimal dosing regimen remains unclear. We undertook a systematic review and individual patient data meta-analysis to investigate the efficacy and tolerability of different primaquine dosing regimens to prevent P vivax recurrence.

Methods: For this systematic review and individual patient data meta-analysis, we searched MEDLINE, Web of Science, Embase, and Cochrane Central for prospective clinical studies of uncomplicated P vivax from endemic countries published between Jan 1, 2000, and June 8, 2023.

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