<prompt> Which of the following is true regarding the duration of treatment of XDR-Tb?Total duration 24-30 monthsIntensive phase - 6 to 9 monthsContinuation phase - 15 monthsAll of the above  <response>: Regimen for XDR-TB All XOR-TB patients should also be subject to a repeat full pre-treatment evaluation, but also including consultation by a thoracic surgeon for consideration of surgery. MDR-TB patients diagnosed as XOR-TB would be given an outcome of Switched to regimen for XOR-TB. The decision and initiation of regimen for XOR-TB is to be taken by the concerned DR-TB centre committee. The Intensive Phase 6-12 months consists of 7 drugs - Capreomycin Cm, PAS, Moxifloxacin Mfx, High dose INH, Clofazimine, Linezolid, and Amoxyclav The Continuation Phase 18 months consists of 6 drugs - PAS, Moxifloxacin Mfx, High dose INH, Clofazimine, Linezolid, and Amoxyclav. RNTCP regimen for XDR-TB: 6-12 Cm, PAS, Mfx, High dose-H, Cfz, Lzd, AmxClv 18 PAS, Mfx, High dose-H, Cfz, Lzd, AmxClv ReserveSubstitute drugs : Clarithromycin, Thiacetazone Ref : Park 23rd edition Pgno : 192 