2 Relapses after treatment with a continuation phase of rifampicin and isoniazid in patients with pre-treatment strains sensitive or resistant to isoniazid
Regimen
Clinical trials
Initial susceptibility to isonazid
Patients assessed
Relapse
SHRZ/RH
6
Sensitive
1225
64 (5.2)
Resistant
61
5 (8.2)
EHRZ/RH
1
Sensitive
190
7 (3.7)
Resistant
23
1 (4.0)
Data are presented as n and n (%), unless otherwise stated. S: streptomycin; H: isoniazid; R: rifampicin; Z: pyrazinamide; E: ethambutol. Data taken from 13, 14.