Background: Chemotherapy-induced thrombocytopenia (CIT) is a common adverse reaction to chemotherapy that can lead to treatment delay, platelet transfusion, thereby increasing treatment costs, reducing chemotherapy effectiveness and affecting prognosis. Based on real-world data, this study analyzed the safety, efficacy, and economic of recombinant human thrombopoietin (rhTPO) and recombinant human interleukin-11 (rhIL-11) in the treatment of CIT in hematological tumors from the perspective of the health care system.

Methods: We retrospectively collected the data of hematological tumor patients treated with rhTPO and rhIL-11 due to thrombocytopenia caused by chemotherapy. The propensity score matching (PSM) method was used to balance the baseline information of the two groups and they were further stratified according to the degree of thrombocytopenia (grade I-II and grade III-IV). The platelet compliance rate at 2 weeks of treatment was used as the efficacy evaluation index, and the cost-effectiveness method was used to evaluate the economic value of the two drugs in the treatment of thrombocytopenia based on drug effectiveness. Univariate and probabilistic sensitivity analyses were performed.

Results: A total of 1,571 patients met the inclusion and exclusion criteria, and 476 patients were included after 1:1 PSM. For patients with grade I-II thrombocytopenia, no significant difference in the platelet compliance rate was found between the two groups after 1 and 2 weeks of treatment. The platelet compliance rate in the rhTPO group was higher than that in the rhIL-11 group for patients with grade III-IV thrombocytopenia. Cost-effectiveness analysis (CEA) showed that the incremental cost-effectiveness ratio (ICER) for the rhTPO and rhIL-11 groups was 226,615.8. The ICER value was sensitive to the platelet compliance rate of the two groups, the cost of rhTPO, the cost of platelet transfusion in the rhTPO group. Probabilistic sensitivity analysis showed that when willingness to pay was less than approximately 220,000 yuan, rhIL-11 economy presented 100% better than that of rhTPO.

Conclusions: In CIT treatment for hematological tumors, rhTPO yielded a higher platelet compliance rate than rhIL-11 treatment, especially for patients with grade III-IV thrombocytopenia. However, whether rhTPO has economic advantages still requires further exploration.

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Source
http://dx.doi.org/10.21037/apm-22-880DOI Listing

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