Eculizumab improves fatigue in refractory generalized myasthenia gravis.

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2019-08

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Abstract

PURPOSE:To evaluate the effect of eculizumab on perceived fatigue in patients with anti-acetylcholine receptor antibody-positive, refractory, generalized myasthenia gravis (MG) using the Quality of Life in Neurological Disorders (Neuro-QOL) Fatigue subscale, and to evaluate correlations between improvements in Neuro-QOL Fatigue and other clinical endpoints. METHODS:Neuro-QOL Fatigue, MG Activities of Daily Living (MG-ADL), Quantitative MG (QMG), and the 15-item MG Quality of Life (MG-QOL15) scales were administered during the phase 3, randomized, placebo-controlled REGAIN study (eculizumab, n = 62; placebo, n = 63) and subsequent open-label extension (OLE). Data were analyzed using repeated-measures models. Correlations between changes in Neuro-QOL Fatigue and in MG-ADL, QMG, and MG-QOL15 scores were determined at REGAIN week 26. RESULTS:At REGAIN week 26, eculizumab-treated patients showed significantly greater improvements in Neuro-QOL Fatigue scores than placebo-treated patients (consistent with improvements in MG-ADL, QMG, and MG-QOL15 scores previously reported in REGAIN). Improvements with eculizumab were sustained through OLE week 52. Correlations between Neuro-QOL Fatigue and MG-QOL15, MG-ADL, and QMG scores were strong for eculizumab-treated patients at REGAIN week 26, and strong, moderate, and weak, respectively, for placebo-treated patients. CONCLUSIONS:Compared with placebo, eculizumab was associated with improvements in perceived fatigue that strongly correlated with improvements in MG-specific outcome measures. Trial ID Registration: NCT01997229, NCT02301624.

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10.1007/s11136-019-02148-2

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Andersen, Henning, Renato Mantegazza, Jing Jing Wang, Fanny O'Brien, Kaushik Patra, James F Howard and undefined REGAIN Study Group (2019). Eculizumab improves fatigue in refractory generalized myasthenia gravis. Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation, 28(8). pp. 2247–2254. 10.1007/s11136-019-02148-2 Retrieved from https://hdl.handle.net/10161/28443.

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