ArticleJournal of blood medicine2025
Exploring the Relationship Between Personalization of Care and Participation in Sport Activities Among People with Severe Hemophilia A Across Europe: Post Hoc Analysis of the CHESS II Study.
Article in Journal of blood medicine, 2025. 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
Purpose: To describe the demographic and clinical characteristics of patients with hemophilia A receiving different levels of treatment personalization (TP), and to assess the relationship between TP and sport active time (SAT). Patients and Methods: This post hoc analysis of the CHESS II study used data from physician-completed patient record forms and patient self-completion forms for adult males receiving prophylaxis for severe hemophilia A in Europe between November 2018 and October 2020. SAT was assessed using propensity score matching (PSM) across levels of TP, including pharmacokinetic (PK)-guided and non-PK-guided. Results: Of 54 patients, 32 (59.3%) received TP. Of these, 22 (68.8%) and 10 (31.3%) received non-PK-guided and PK-guided treatment, respectively. Median age varied between the TP and no-TP groups (29.5 and 34.0 years, respectively). Median (IQR) annual bleeding incidence was higher with non-PK-guided vs PK-guided TP (4.0 [3.0-8.0] vs 3.5 [2.0-4.0]). Median (IQR) problem joints were similar with non-PK-guided and PK-guided TP (1.0 [0.0-1.0] and 1.0 [0.0-2.0]). Patients in the TP vs no-TP group had higher median (IQR) SAT per month (3.3 [1.8-6.2] vs 1.8 [0.7-5.0] hours). Median (IQR) SAT per month was higher with PK-guided vs non-PK-guided TP (4.0 [3.0-20.0] vs 3.0 [1.3-5.3] hours). After controlling for confounding in the PSM model, SAT remained higher with TP vs no-TP and with PK-guided vs non-PK-guided TP. In both PSM models, P values were <0.05 for the average treatment effect and <0.01 for the average treatment effect on the treated. Sensitivity analyses confirmed the robustness of the PSM. Conclusion: Patients receiving TP vs no-TP had higher median SAT. Of those with TP, those receiving PK-guided vs non-PK-guided TP experienced lower bleeding rates and higher SAT. PK-guided TP may help patients to be more active, potentially gaining the clinical and psychosocial benefits of exercise.
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