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Table 1 Anti-malarial drugs collected

From: Assessing the quality of anti-malarial drugs from Gabonese pharmacies using the MiniLab®: a field study

 

Collected and analyzed with TLC (%)

Samples included in disintegration test (% of TLC tested)

Expired before analysis

TLC failures

Disinteg-ration test failures

Average costs (USD)

ACT

 Artemether-lumefantrine

177 (41%)

102 (58%)

3

1

0

7.6

 Artesunate-amodiaquine

42 (10%)

22 (52%)

6

0

0

7.2

 Artesunate-SP

36 (8%)

26 (72%)

1

0

0

8.5

 Dihydroartemisinin-piperaquine

38 (9%)

33 (86%)

1

0

0

9.9

 Artesunate-mefloquine

22 (5%)

5 (23%)

1

0

0

9.7

 Dihydroartemisinin-piperaquine- trimethoprim

13 (3%)

12 (92%)

0

0

0

9.3

 Dihydroartemisinin-SP

7 (2%)

0 (0%)

0

0

0

4.5

 Artemisinin-piperaquine

2 (<1%)

0 (0%)

0

0

0

10.1

 Artemisinin-naphtoquine

1 (<1%)

0 (0%)

0

0

0

NR

Other

 Quinine

43 (10%)

34 (79%)

0

1

0

9.6

 Sulphadoxine-pyrimethamine

40 (9%)

26 (65%)

0

0

1

2.2

 Mefloquine

4 (<1%)

2 (50%)

0

0

0

33.3

 Atovaquone-proguanil

2 (<1%)

0 (0%)

0

0

0

24.2

 Proguanil

2 (<1%)

0 (0%)

0

0

0

16.5

 Proguanil-chloroquine

2 (<1%)

0 (0%)

1

0

0

25.2

 Pyrimethamine

1 (<1%)

0 (0%)

0

0

0

NR

Total

432 (100%)

266 (62%)

13 (3%)

2

1

8.1

  1. TLC semi-quantitative thin-layer chromatography.