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Original research

Cost-effectiveness analysis of tofacitinib compared with adalimumab and etanercept in the treatment of severe active rheumatoid arthritis; Iranian experience

ORCID Icon, ORCID Icon, ORCID Icon & ORCID Icon
Pages 775-784 | Received 31 May 2020, Accepted 06 Oct 2020, Published online: 01 Nov 2020
 

ABSTRACT

Background and objective

This study aimed to evaluate the cost-utility of Tofacitinib (TFC) in patients with severe rheumatoid arthritis (RA) who had not responded well to methotrexate from the Iranian payer’s perspective.

Methods

An individual microsimulation Markov model was developed to compare TFC with etanercept (ETN) and Adalimumab (ADA) over a life-time horizon. Treatment efficacy was estimated based on the American College of Rheumatology (ACR) response improvement criteria in 6 months. Changes in the Health Assessment Questionnaire (HAQ) scores were mapped onto utility values to calculate outcomes in terms of QALYs. Direct medical costs were taken from national databases. Uncertainty in model parameters was evaluated by sensitivity analyses.

Results

This study demonstrated that TFC was cost-effective in both scenarios. Although TFC was associated with lower QALYs than ETN (6.664 versus 6.876), it was also associated with lower costs over a life-time horizon ($42,565.04 versus $58,696.29). Additionally, TFC was found to be the dominant strategy with a lower cost ($50,299.91 versus $51,550.29) and higher QALYs gained (6.900 versus 6.687) compared to ADA.

Conclusion

TFC was found to be cost-effective in patients with severe RA who do not respond well to methotrexate compared to ADA, ETN in Iran.

Declaration of interest

The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.

Reviewers Disclosure

Peer reviewers on this manuscript have no relevant financial relationships or otherwise to disclose.

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