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. 2019 Jan 8;2019(1):CD006404. doi: 10.1002/14651858.CD006404.pub3

Tshefu 2010.

Methods RCT
Duration: 1 year, 3 months. January 2007 to April 2008
Participants Adults and children with P falciparum malaria
Number: 1272
Inclusion criteria: age 3‐60 years; bodyweight 20 kg ‐ 90 kg; fever or history of fever within 24 hours
Exclusion criteria: severe/complicated malaria; mixed Plasmodium infection; malnutrition; anaemia (Hb < 8 g/dL); severe vomiting; severe diarrhoea; other clinically significant disorder; hepatic impairment (limit not stated); renal impairment; other febrile conditions; viral hepatitis/HIV; electrolyte imbalance; allergy to study drugs; antimalarial therapy in previous 2 weeks, investigational drug in previous 4 weeks; taking any drug metabolized by cytochrome enzyme CYP2D6; previous participation in pyronaridine‐artesunate studies; pregnancy/lactation
Diagnosis: microscopy (asexual parasite density 1000 µL to 100,000/µL blood)
Interventions Randomized in a 2:1 ratio to:
  • pyronaridine‐artesunate tablets (180 mg:60 mg) once‐daily for 3 days. Dose according to bodyweight: 20 kg ‐ 25 kg one tablet, 26 kg ‐ 45 kg 2 tablets, 45 kg ‐ 65 kg 3 tablets, ≥ 65kg 4 tablets (N = 849)

  • Artemether‐lumefantrine tablets (20 mg/120 mg) twice daily for 3 days at recommended intervals. Dose according to bodyweight: 20 kg ‐ 25 kg 2 tablets, 25 kg ‐ 35 kg 3 tablets, ≥ 35 kg 4 tablets

Outcomes
  • ACPR* day 28 PCR‐adjusted

  • ACPR day 28 unadjusted

  • ACPR day 42 PCR‐adjusted

  • ACPR day 42 unadjusted

  • Parasite clearance time (from first dose to aparasitaemia)†, ‡

  • Fever clearance time (from first dose to apyrexia)†, ‡

  • Proportion of patients with parasite clearance on days 1, 2, and 3, ‡

  • Proportion of patients with fever clearance on days 1, 2, and 3, ‡

  • Gametocyte density, ‡

  • Adverse events (including laboratory and ECG abnormalities)


*Adequate clinical and parasitological response rate
†Two consecutive normal readings taken between 7 and 25 hours apart
‡Not assessed in quantitative synthesis in this review
Notes Location: Africa (n = 1080, 85%) and Asia (n = 192, 15%). Africa: DRC, The Gambia, Ghana, Kenya, Mali, Mozambique, Senegal. Asia: Indonesia, the Phillipines
Setting: local hospitals and clinics
Malaria endemicity: high
Resistance profile: not described
Funding: Medicines for Malaria Venture, Shin Poong Pharmaceutical Company Ltd, Seoul, Republic of Korea
Follow‐up: 42 days
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Low risk Computer generated randomization schedule. Block randomization of 9 by study centre
Allocation concealment (selection bias) Low risk Individually numbered treatment packs
Randomization communicated by investigator to a third party who administered the correct amount of tablets, and who was not involved in clinical assessment
Blinding (performance bias and detection bias) 
 All outcomes Low risk Patients blinded: artemether‐lumefantrine placebo dosed twice daily to maintain blinding. Food not required for artemether‐lumefantrine dosing to retain blinding
Outcome assessors blinded to group assignment
Incomplete outcome data (attrition bias) 
 All outcomes Low risk Report lists reasons for attrition and exclusions
Selective reporting (reporting bias) Low risk Prospectively registered. Report includes prestated outcomes of interest. Day 42 efficacy outcomes and gametocyte counts not listed in trial registration document; listed in the report as exploratory
Other bias Unclear risk Sponsors designed the trial, were responsible for data collection and analysis, and developed the report; all authors had access to trial data
Participants on artemether‐lumefantrine were not expected to take medication after food; unclear if this reduced bioavailability of lumefantrine
Adverse event monitoring (detection bias) 
 Adverse Events Low risk Report that adverse events recorded during treatment and at all follow‐up visits
Incomplete adverse event reporting (reporting bias) 
 Adverse events Unclear risk Authors report all‐cause adverse events as percentages. Report table only includes adverse events occurring in ≥ 5% (or ≥ 1% if judged to be drug related). Authors explain method for determining relation to study drug

Abbreviations: ACPR: adequate clinical and parasitological response; ALT: alanine aminotransferase; AST: aspartate transaminase; ECG: electrocardiogram; Hb: haemoglobin; MMV: Medicines for Malaria Venture; PCR: polymerase chain reaction; QT: QT interval on electrocardiogram; QTc: corrected QT interval on electrocardiogram; RCT: randomized controlled trial; ULN: upper limit of normal.