Neurologia i neurochirurgia polska · 2021
Spasticity in practice (SPACE): an international non-interventional study of botulinum neurotoxin type A in treatment-naïve subjects with spasticity.
Клиническое исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Harriss Julian, Roche Nicolas, Cantú-Brito Carlos, Khatkova Svetlana, Säterö Patrik, Heitmann Susanne, Simon Olivier, Kliebe-Frisch Christine, Comes Georg, Jost Wolfgang H
Аннотация
AIM OF THE STUDY: SPACE, a prospective, non-interventional, open-label, multinational study, investigated physicians' and subjects' assessment of safety, efficacy, and health-related quality of life (HRQoL) following botulinum neurotoxin type A (BoNT-A) treatment to understand real-world clinical usage for the management of focal and multifocal spasticity.
CLINICAL RATIONALE FOR THE STUDY: Treatment guidelines recommend the use of BoNT-A for the management of spasticity in adults. This study assessed how physicians use BoNT-A therapy in real-world clinical practice, and provided evidence on long-term safety and efficacy over a period of up to 2 years.
MATERIALS AND METHODS: BoNT treatment-naïve adults with spasticity of any aetiology received any BoNT-A formulation at their physician's discretion, and were observed for ≤ 8 treatment cycles (≤ 2 years). Daily practice information, physician's global assessments of tolerability and efficacy, and HRQoL were documented. Incidences of adverse drug reactions or all adverse events were documented for non-Mexican subjects and for Mexican subjects, respectively, due to protocol differences based on local regulatory requirements.
RESULTS: A total of 701 subjects were enrolled (safety population; nine countries). Physicians rated the tolerability of BoNT-A as 'very good' or 'good' for 88.2-97.4% of subjects throughout the study (subject numbers declined throughout this non-interventional study). Adverse drug reactions were reported for 16/600 (2.7%) of the non-Mexican subjects, with two considered to be 'definitely related' to treatment (injection-site haematoma, n = 1; botulism, n = 1). For 687 subjects, efficacy was rated 'very good' or 'good' by most physicians and subjects. Improvements in HRQoL were observed.
CONCLUSIONS AND CLINICAL IMPLICATIONS: Throughout this 2-year study, BoNT-A treatment was generally well-tolerated, effective, and associated with an improved HRQoL. This study makes a valuable contribution to the broader understanding of how physicians use BoNT-A therapy to manage spasticity in real-world clinical practice.
CLINICAL RATIONALE FOR THE STUDY: Treatment guidelines recommend the use of BoNT-A for the management of spasticity in adults. This study assessed how physicians use BoNT-A therapy in real-world clinical practice, and provided evidence on long-term safety and efficacy over a period of up to 2 years.
MATERIALS AND METHODS: BoNT treatment-naïve adults with spasticity of any aetiology received any BoNT-A formulation at their physician's discretion, and were observed for ≤ 8 treatment cycles (≤ 2 years). Daily practice information, physician's global assessments of tolerability and efficacy, and HRQoL were documented. Incidences of adverse drug reactions or all adverse events were documented for non-Mexican subjects and for Mexican subjects, respectively, due to protocol differences based on local regulatory requirements.
RESULTS: A total of 701 subjects were enrolled (safety population; nine countries). Physicians rated the tolerability of BoNT-A as 'very good' or 'good' for 88.2-97.4% of subjects throughout the study (subject numbers declined throughout this non-interventional study). Adverse drug reactions were reported for 16/600 (2.7%) of the non-Mexican subjects, with two considered to be 'definitely related' to treatment (injection-site haematoma, n = 1; botulism, n = 1). For 687 subjects, efficacy was rated 'very good' or 'good' by most physicians and subjects. Improvements in HRQoL were observed.
CONCLUSIONS AND CLINICAL IMPLICATIONS: Throughout this 2-year study, BoNT-A treatment was generally well-tolerated, effective, and associated with an improved HRQoL. This study makes a valuable contribution to the broader understanding of how physicians use BoNT-A therapy to manage spasticity in real-world clinical practice.