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Muscle Nerve ; 66(4): 438-446, 2022 10.
Artículo en Inglés | MEDLINE | ID: mdl-35799473

RESUMEN

INTRODUCTION/AIMS: Hereditary transthyretin-mediated amyloidosis with polyneuropathy (hATTR-PN) progressively affects patients' functionality and compromises health-related quality of life (HRQL). The aim of this study was to quantify the projected long-term treatment effects of inotersen vs placebo on HRQL measures. METHODS: The inotersen phase 2/3 randomized, double-blind, placebo-controlled trial NEURO-TTR (NCT01737398, 65 weeks) and its subsequent open-label extension (OLE; NCT02175004, 104 weeks) included 172 (112 inotersen and 60 placebo) patients. Placebo double-blind period and overall inotersen-inotersen (double-blind/OLE) treatment period (170 weeks) data were used to extrapolate the long-term placebo-placebo effect using mixed-effects models with repeated measures. Changes from baseline in the Norfolk Quality of Life-Diabetic Neuropathy (QoL-DN) and 36-Item Short Form Health Survey version 2 (SF-36v2) in hATTR-PN were estimated. Differences in changes were compared between the inotersen-inotersen and extrapolated placebo-placebo arms. RESULTS: Inotersen-inotersen patients maintained their HRQL with an observed change ranging from 10.3% improvement (Norfolk QoL-DN item "Pain kept you awake at night") to 11.6% deterioration (SF-36v2 Activities of Daily Living subdomain). The extrapolated placebo-placebo results suggest greater deterioration over time compared with inotersen-inotersen treatment on Norfolk QoL-DN total score (23.6; 95% confidence interval [CI], 8.9-38.3; P < .01), Activities of Daily Living (4.6; 95% CI, 2.0-7.3; P < .001), and "Pain kept you awake at night" (1.2; 95% CI, 0.4-1.9; P < .01). Similarly, greater deterioration was expected for the SF-36v2 Physical Component Summary (8.0; 95% CI, 3.2-12.8, P < .01), Bodily Pain (7.8; 95% CI, 2.0-13.5; P < .01), and Physical Functioning (10.6; 95% CI, 5.5-15.6; P < .0001). DISCUSSION: Long-term (>3 years) inotersen treatment was associated with slowing and, in some domains, halting of deterioration in key HRQL outcome measures, particularly physical functioning and pain.


Asunto(s)
Neuropatías Amiloides Familiares , Neuropatías Diabéticas , Polineuropatías , Actividades Cotidianas , Neuropatías Amiloides Familiares/complicaciones , Neuropatías Amiloides Familiares/tratamiento farmacológico , Neuropatías Diabéticas/complicaciones , Humanos , Oligonucleótidos , Dolor/complicaciones , Polineuropatías/complicaciones , Polineuropatías/tratamiento farmacológico , Prealbúmina/uso terapéutico , Calidad de Vida
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