Observational studyBMC neurology2026
Patient-reported outcomes in Chinese patients with AQP4-IgG-positive neuromyelitis optica spectrum disorder on inebilizumab therapy: a cross-sectional study.
Observational study in BMC neurology, 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
backgroundThe treatment of neuromyelitis optica spectrum disorder (NMOSD) has entered the era of targeted biological agents. While relapse control has improved substantially, patient-reported outcomes (PROs) remain understudied. This study aimed to explore real-world patient-reported perceptions of inebilizumab therapy in AQP4-IgG-positive NMOSD.
methodsWe conducted a nationwide cross-sectional survey of AQP4-IgG-positive NMOSD patients receiving inebilizumab using an anonymous online questionnaire (April-September 2025). Data collected included demographics, medication history, and multidimensional quality-of-life changes following inebilizumab initiation. Descriptive statistics and correlation analyses were performed. Key outcomes were patient-reported without objective validation.
resultsA total of 275 valid questionnaires were analyzed. Respondents were predominantly female (90.5%) with a mean age of 39.7 ± 11.8 years. Mean inebilizumab treatment duration was 14.5 ± 8.4 months. Of all patients, 33.1% received inebilizumab as initial maintenance therapy, 42.9% had previously used conventional immunosuppressants, and 24.0% had switched from other biologics. Among respondents, 92.4% reported meaningful symptom improvement across multiple domains including bodily pain and mental health. Overall, 96.4% expressed willingness to continue therapy, with symptom improvement cited as the predominant reason (91.7%). Correlation analysis revealed weak associations between treatment duration and satisfaction (r = 0.12, p < 0.05) and between medication cost burden and satisfaction (r = - 0.24, p < 0.01).
conclusionsIn this cross-sectional survey, Chinese patients with AQP4-IgG-positive NMOSD receiving inebilizumab reported high satisfaction, perceived multidimensional benefit, and strong treatment continuation willingness. These findings provide exploratory patient-reported evidence regarding the acceptability of inebilizumab in routine practice. However, the observed improvements are self-reported and associative rather than causal; interpretation should account for the cross-sectional, non-comparative design, potential selection and recall biases, and lack of objective outcome validation. Prospective controlled studies are required to confirm these preliminary findings.
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