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. 2023 Jul 11;8(7):e012039. doi: 10.1136/bmjgh-2023-012039

Table 2.

Quality of medicines per API in included quality surveys, bioequivalence studies, accelerated biostability studies, laboratory assembled collections and case reports/MRA seizures

Medicine name Accelerated biostability studies Bioequivalence studies Quality surveys Laboratory assembled collections Case reports/MRA seizure Total
N n Failure rate % N n Failure rate % N n Failure rate % N n Failure rate % N n Failure rate % N n failed Failure rate %
Amikacin 224 57 25.4 224 57 25.4
Cycloserine 149 57 38.3 150 54 36.0 299 111 37.1
Doripenem 6 0 0.0 0 0 6 0 0.0
Ethambutol 4 2 50.0 113 0 0.0 623 100 16.1 1 1 100 741 103 13.9
Ethionamide 1 0 0.0 86 12 14.0 87 12 13.8
Gatifloxacin/Ciprofloxacin 0 0 65 65 100 65 65 100.0
Imipenem-Cilastatin 6 0 0.0 0 0 6 0 0.0
Isoniazid 1 0 0.0 197 0 0.0 1472 142 9.6 1670 142 8.5
Isoniazid-Ethambutol 9 7 77.8 5 2 40.0 14 9 64.3
Kanamycin 80 4 5.0 80 4 5.0
Levofloxacin 161 27 16.8 4 1 25.0 165 28 17.0
Meropenem 18 0 0.0 5 0 0.0 23 0 0.0
Moxifloxacin 40 0 0.0 40 0 0.0
Norfloxacin 6 0 0.0 6 0 0.0
Ofloxacin 9 5 55.6 145 31 21.4 4 0 0.0 158 36 22.8
Prothionamide 100 0 0.0 100 0 0.0
Pyrazinamide 1 0 0.0 195 0 0.0 733 65 8.9 929 65 7.0
Rifampicin 1 0 0.0 243 100 41.2 2025 337 16.6 2269 437 19.3
Rifampicin- Isoniazid- Ethambutol 9 7 77.8 44 0 0.0 69 26 37.7 122 33 27.0
Rifampicin-Isoniazid 6 3 50.0 26 8 30.8 169 3 1.8 7 0 0.0 1 1 100 209 15 7.2
Rifampicin-Isoniazid-Pyrazinamide 3 2 66.7 83 21 25.3 39 1 2.6 14 0 0.0 139 24 17.3
Rifampicin-Isoniazid-Pyrazinamide- Ethambutol 23 9 39.1 111 2 1.8 100 6 6.0 9 0 0.0 243 17 7.0
Rifampicin-Isoniazid-Pyrazinamide- Ethambutol- Pyridoxine





1 0 0.0





1 0 0.0
Streptomycin 64 0 0.0 22 12 54.5 86 12 14.0
Total 236 87 36.9 1086 136 12.5 6255 879 14.1 38 1 2.6 67 67 100 7682 1170 15.2

MRA, Medicines Regulatory Agency.