RESEARCH Open Access treatment course had repeated electrocardiogram (ECG) measurements to assess effect on QTc interval.

Full list of author information is available at the end of the articleResults: A total of 10,925 uncomplicated malaria patients were treated with Eurartesim®. Most patients,95 % (10,359/ 10,925), did not report any adverse event following at least one dose of Eurartesim®. A total of 797 adverse events were reported. The most frequently reported, by system organ classification, were infections and infestations (3. 24%) and gastrointestinal disorders (1. 37%). In the nested cohort, no patient had QTcF> 500 ms prior to day 3 pre-dose 3. Three patients had QTcF> 500 ms (509 ms, 501 ms, 538 ms) three to four hours after intake of the last dose. All the QTcF values in the three patients had returned to <500 ms at the next scheduled ECG on day 7 (470 ms, 442 ms, 411 ms). On day 3 pre- and post-dose 3, 70 and 89 patients, respectively, had a QTcF increase of ≥ 60 ms compared to their baseline, but returned to nearly baseline values on day 7. Conclusion: Eurartesim ® single course treatment for uncomplicated falciparum malaria is well-tolerated. QT interval prolongation above 500 ms may occur at a rate of three per 1,002 patients after the third dose with no association of any clinical symptoms. QT interval prolongation above 60 ms was detected in less than 10 % of the patients without any clinical abnormalities