Table 1: Stepwise process based on five groups for MDR/XDR-of anti-TB drugs.

Group name

Anti-tuberculosis drugs

Group 1

First-line oral drugs: Isoniazid, rifampicin, ethambutol, pyrazinamide

Group 2

Quinolones: High-dose levofloxacin, moxifloxacin

Group 3

Linezolid, bedaquiline, delamanid

Group 4

Injectable second-line drugs: Kanamycin, amikacin, capreomycin

Group 5

Ethionamide/prothionamide, clofazimine, carbapenems

Group 6

Cycloserine, p-aminosalicylic acid