Journal of neurology · 2019
Efficacy and safety of alemtuzumab in a real-life cohort of patients with multiple sclerosis.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Frau Jessica, Coghe Giancarlo, Lorefice Lorena, Fenu Giuseppe, Musu Luigina, Cocco Eleonora
Аннотация
BACKGROUND: No postmarketing randomised clinical trials are available about alemtuzumab, and real-world data are limited. We aimed to analyse the efficacy and safety of alemtuzumab in a single-centre cohort of patients with relapsing-remitting MS.
METHODS: Patients who took alemtuzumab were enrolled. We collected the following data: age, sex, MS history, expanded disability status scale (EDSS), relapses, magnetic resonance imaging (MRI) parameters after alemtuzumab, and adverse events. EDSS scores before alemtuzumab and at the last follow-up were compared by Wilcoxon test. Time to first relapse was analysed after dividing the cohort on the basis of previous treatment.
RESULTS: Ninety patients were enrolled [women 74.4%; naïve 7; mean follow-up 27 months (SD 23)]. The EDSS was reduced from a median of 2.5 (IQR 1.5-4) before alemtuzumab to 2.0 (IQR 1.5-3.5) after (p = 0.025). The time to first relapse was shorter in patients shifting from a second-line therapy (p = 0.011). Over 2 years, 43.7% had no evidence of disease activity. We observed infusion-related reactions in 95.5% patients, including 11.1% with pneumonitis, thyroiditis in 11%, and thrombocytopenia in 3.3%.
CONCLUSIONS: We confirmed the clinical and MRI efficacy of alemtuzumab in the clinical setting and the frequency of infusion-related reactions. Compared with that in clinical trials, higher number of patients developed pneumonitis during infusion.
METHODS: Patients who took alemtuzumab were enrolled. We collected the following data: age, sex, MS history, expanded disability status scale (EDSS), relapses, magnetic resonance imaging (MRI) parameters after alemtuzumab, and adverse events. EDSS scores before alemtuzumab and at the last follow-up were compared by Wilcoxon test. Time to first relapse was analysed after dividing the cohort on the basis of previous treatment.
RESULTS: Ninety patients were enrolled [women 74.4%; naïve 7; mean follow-up 27 months (SD 23)]. The EDSS was reduced from a median of 2.5 (IQR 1.5-4) before alemtuzumab to 2.0 (IQR 1.5-3.5) after (p = 0.025). The time to first relapse was shorter in patients shifting from a second-line therapy (p = 0.011). Over 2 years, 43.7% had no evidence of disease activity. We observed infusion-related reactions in 95.5% patients, including 11.1% with pneumonitis, thyroiditis in 11%, and thrombocytopenia in 3.3%.
CONCLUSIONS: We confirmed the clinical and MRI efficacy of alemtuzumab in the clinical setting and the frequency of infusion-related reactions. Compared with that in clinical trials, higher number of patients developed pneumonitis during infusion.