TABLE 1

Purchase costs and import costs of longer and shorter tuberculosis (TB) drug regimens for a TB programme in Karakalpakstan, Uzbekistan

TB drug regimen used for treatment (scenario)Tablets and injections per regimenImport weight per regimen kgDrug cost per regimen USDImport cost per regimen USDImport cost (% of drug cost)
Drug-susceptible TB treatment
 2 HRZE/4 HR (reference scenario 1)7300.79434.179.8
 2 Rpt-H-Z-Mfx/2 Rpt-H-Mfx (scenario 2)13581.12336.042.6
Multidrug-resistant TB treatment
 20 Bdq-Lfx-Lzd-Cfz-Cs (reference scenario 1)48247.81977412.1
 4 Km-Mfx-Pto-Cfz-Z-Hh-E/5 Z-E-Mfx-Pto-Cfz (scenario 2)36507.63934010.3
 6 Bdq-Pa-Lzd (scenario 3)7480.848554.450.52
 8 Z-Km-Lfx-PAS-Pto-Cs/12 Z-Lfx-PAS-Pto-Cs (scenario 4)93682724421445.9

Months and drugs for intensive phase/continuation phase of treatment. The exact duration of the 2 Rpt-H-Z-Mfx/2 Rpt-H-Mfx regimen is 8 weeks/9 weeks. The TB drug regimens included in the model represent the least costly regimens and lowest treatment durations from a larger set of DS-TB and MDR-TB drug regimens described in supplementary table S2. HRZE/HR: fixed-dose combination of four/two oral antibiotics; 2 Rpt-H-Z-Mfx: 2 months of single doses of the antibiotics Rpt, H, Z and Mfx; Bdq: bedaquiline 100 mg; Cs: cycloserine 250 mg; Cfz: clofazimine 100 mg; E: ethambutol 400 mg; H: isoniazid 300 mg; Hh: high-dose isoniazid 600 mg; Km: kanamycin 1000 mg (injectable antibiotic); Lfx: levofloxacin 250 mg; Lzd: linezolid 600 mg; Mfx: moxifloxacin 400 mg; Pa: pretomanid 200 mg; PAS: PAS sodium 4 g; Pto: prothionamide 250 mg; R: rifampicin 300 mg; Rpt: rifapentine 150 mg; Z: pyrazinamide 400 mg. Data sources: Kohler et al. [21, 31].