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Table 2 Number of samples with active pharmaceutical ingredient found different to what the medicine was labelled as containing

From: Mind the gaps - the epidemiology of poor-quality anti-malarials in the malarious world - analysis of the WorldWide Antimalarial Resistance Network database

Active pharmaceutical ingredient found in anti-malarial medicine samples Medicine labeled as References
AS CQ DHA HL MQ QN TET AL SMP + PYR DHA + PQP
2-Mercaptobenzothiazole 3           [38]
Acetaminophen 17   1 7      101*   [5, 38, 4042]
Artemisinin 4    4        [5, 38]
Aspirin   1          [43]
Chloramphenicol 2           [38]
Chloroquine 8      253*      [5, 34, 38, 41, 4446]
Chlorpheniramine   1          [47]
Dimethylfumarate 6           [38]
Erucamide 1           [38]
Erythromycin 7           [38, 48]
Erythromycin and Paracetamol (acetaminophen) 8           [49]
Sulphadoxine-pyrimethamine          100*   [50]
Metamizol 5           [38]
Pyrimethamine 8        2    [5, 38]
Pyrimethamine and Sulphadiazine         1    [5]
Sildenafil           4 [5]
Soya flour        100*     [50]
Sulphadoxine 12    57600        [38, 39]
Sulphadoxine-pyrimethamine 30     1       [51, 52]
Sulphamethazine     1        [53]
  1. 100* = Unknown number of samples. Missing number of samples from one set of samples of chloroquine, mefloquine, sulphadoxine-pyrimethamine and three set of samples of quinine. Anti-malarial medicines: AS: artesunate, CQ: chloroquine; DHA: dihydroartemisinin; HL: halofantrine; MQ: mefloquine; QN: quinine; TET: tetracycline; AL: artemether-lumefantrine; SMP + PYR: sulphamethoxypyrazine-pyrimethamine; DHA + PQP: dihydroartemisinin-piperaquine.