Which of the following is true regarding the duration of treatment of XDR-Tb?

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, Amx/Clv/ 18 PAS, Mfx, High dose-H, Cfz, Lzd, Amx/Clv (Reserve/Substitute drugs : Clarithromycin, Thiacetazone) Ref : Park 23rd edition Pgno : 192