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. Author manuscript; available in PMC: 2020 Dec 1.
Published in final edited form as: Clin Gastroenterol Hepatol. 2019 Mar 1;17(13):2687–2695.e11. doi: 10.1016/j.cgh.2019.02.039

Table 3:

Maximum price of rifaximin based on contemporary willingness-to-pay levels

Treatment strategy Willingness-to-pay threshold
$50,000/QALY-
gained		 $100,000/QALY-
gained		 $150,000/QALY-
gained
One-year time horizon
Unrestricted rifaximin access $2.34 per pill
$98.28 per treatment		 $3.53 per pill
$148.26 per treatment		 $4.71 per pill
$197.82 per treatment
Formulary-restricted rifaximin access $10.59 per pill
$444.78 per treatment		 $18.46 per pill
$775.32 per treatment		 $26.34 per pill
$1,106.28 per treatment
Five-year time horizon
Unrestricted rifaximin access $2.22 per pill
$93.14 per treatment		 $3.45 per pill
$145.10 per treatment		 $4.69 per pill
$197.06 per treatment
Formulary-restricted rifaximin access $11.11 per pill
$466.61 per treatment		 $19.15 per pill
$804.21 per treatment		 $27.19 per pill
$1,141.82 per treatment