ArticleWorld journal of gastroenterology2026
Cost-effectiveness of different strategies with biologics for the treatment of moderate to severe Crohn's disease in China.
Article in World journal of gastroenterology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundBiologics are the preferred treatment for patients with moderate to severe Crohn's disease (CD). Four biologics included in China's National Reimbursement Drug List are available for CD treatment. Due to loss of response, patients need switching to another biologic, making it necessary to evaluate the cost-effectiveness of different biologic treatment sequences.
aimTo assess the cost-effectiveness of sequential treatment strategies with National Reimbursement Drug List-included biologics for moderate to severe CD in China.
methodsFrom a healthcare system perspective, a Markov model was constructed to evaluate the cost-effectiveness of four biologics [infliximab, adalimumab (ADA), ustekinumab (UST), and vedolizumab] applied in different treatment sequences for moderate to severe CD patients. Using one times the GDP per capita ($13444.68, 2024) in China as the willingness-to-pay threshold, the absolute net monetary benefit (NMB) and incremental cost-effectiveness ratio (ICER) were calculated. Both costs and utilities were discounted at an annual rate of 5%. Sensitivity analyses were conducted on key parameters.
resultsWith $13444.68 as willingness-to-pay, among the 17 treatment sequences evaluated for biologic-naïve patients, sequence 3 (ADA-UST) yielded the highest absolute NMB of $35850.93. Compared with sequence 1 (vedolizumab-UST), sequence 3 had the most favorable ICER of $2285.38/quality-adjusted life year. For biologic-exposed patients, sequence 3 still demonstrated the optimal NMB and ICER results.
conclusionAdding biologic treatment lines provides greater health benefits for patients with moderate to severe CD. Among the various sequential strategies, the treatment sequence combining ADA and UST is more likely to be the optimal cost-effective option in China.
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