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Artemisinin-based combination therapy for ... - The Cochrane Library

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Analysis 2.5. Comparison 2 Dihydroartemisinin-piperaquine vs Artemether-lumefantrine, Outcome 5 P.<br />

vivax parasitaemia.<br />

Review: <strong>Artemisinin</strong>-<strong>based</strong> <strong>combination</strong> <strong>therapy</strong> <strong>for</strong> treating uncomplicated malaria<br />

Comparison: 2 Dihydroartemisinin-piperaquine vs Artemether-lumefantrine<br />

Outcome: 5 P. vivax parasitaemia<br />

Study or subgroup DHA-P AL6 Risk Ratio Risk Ratio<br />

1 Mixed P. falciparum and vivax infection at baseline<br />

n/N n/N M-H,Fixed,95% CI M-H,Fixed,95% CI<br />

Ratcliff 2005 IDN 57/289 56/290 1.02 [ 0.73, 1.42 ]<br />

Kamya 2006 UGA 0/211 0/210 0.0 [ 0.0, 0.0 ]<br />

Karunajeewa 2007 PNG 0/100 0/94 0.0 [ 0.0, 0.0 ]<br />

Yeka 2007 UGA 0/215 0/199 0.0 [ 0.0, 0.0 ]<br />

Subtotal (95% CI) 815 793 1.02 [ 0.73, 1.42 ]<br />

Total events: 57 (DHA-P), 56 (AL6)<br />

Heterogeneity: Chi 2 = 0.0, df = 0 (P = 1.00); I 2 =0.0%<br />

Test <strong>for</strong> overall effect: Z = 0.13 (P = 0.90)<br />

2 P. vivax parasitaemia by D28<br />

Ratcliff 2005 IDN 1/234 21/239 0.05 [ 0.01, 0.36 ]<br />

Subtotal (95% CI) 234 239 0.05 [ 0.01, 0.36 ]<br />

Total events: 1 (DHA-P), 21 (AL6)<br />

Heterogeneity: not applicable<br />

Test <strong>for</strong> overall effect: Z = 2.97 (P = 0.0030)<br />

3 P. vivax parasitaemia by D42<br />

Ratcliff 2005 IDN 12/207 55/216 0.23 [ 0.13, 0.41 ]<br />

Kamya 2006 UGA 2/209 11/208 0.18 [ 0.04, 0.81 ]<br />

Yeka 2007 UGA 5/212 19/196 0.24 [ 0.09, 0.64 ]<br />

Karunajeewa 2007 PNG 27/100 56/94 0.45 [ 0.32, 0.65 ]<br />

Subtotal (95% CI) 728 714 0.32 [ 0.24, 0.43 ]<br />

Total events: 46 (DHA-P), 141 (AL6)<br />

Heterogeneity: Chi 2 = 5.73, df = 3 (P = 0.13); I 2 =48%<br />

Test <strong>for</strong> overall effect: Z = 7.55 (P < 0.00001)<br />

<strong>Artemisinin</strong>-<strong>based</strong> <strong>combination</strong> <strong>therapy</strong> <strong>for</strong> treating uncomplicated malaria (Review)<br />

Copyright © 2009 <strong>The</strong> <strong>Cochrane</strong> Collaboration. Published by John Wiley & Sons, Ltd.<br />

0.005 0.1 1 10 200<br />

Favours DHA-P Favours AL6<br />

140

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