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Journal of the Neurological Sciences ; 429, 2021.
Article in English | EMBASE | ID: covidwho-1466683


Background and aims: Erenumab proved to be safe and well tolerated in a 5-year continuation of a 1-year double-blind, placebo-controlled study. Aim: to assess >48-week erenumab tolerability and safety in a real-world setting. Methods: In this long term (>48-week), multicenter (n = 15), longitudinal cohort real life study, we monitored all the adverse events emerged in consecutive adult patients with high-frequency episodic migraine (HFEM) or chronic migraine (CM) treated with monthly erenumab 70 mg or 140 mg from 20 December 2018 to 15 December 2020. Results: 442 patients (HFEM: 115;CM: 327) were treated with erenumab for >48 weeks: 209 (47.3%) patients were treated for 49–60 weeks, 132 (29.9%) for 61–72 weeks;73 (16.5%) for 73–84 weeks;21 (4.7%) for 85–100 weeks. Overall, >1 treatment emergent adverse event (TEAE) was reported by 136 (30.8%) [HFEM: 43 (37.4%);CM: 93 (28.4%)]. Most common TEAE were constipation (n = 66;14.9%), injection site erythema (n = 15;3.4%), and influenza (n = 7;1.6%). Serious adverse events (SAE) were reported by 8 patients (1.8%) and led to treatment discontinuation: severe constipation (n = 3), abdominal pain (n = 1), NSTEMI (n = 3), Covid-19 infection (n = 1). Only severe constipation was considered treatment-related SAE (0.45%). Conclusions: Conclusion: Erenumab is safe and well tolerated also in long-term treatment (>48 weeks) in real life.

European Journal of Neurology ; 28(SUPPL 1):100, 2021.
Article in English | EMBASE | ID: covidwho-1307703


Background and aims: Coronavirus disease (COVID-19) has been associated with a large variety of neurological disorders. However the mechanisms underlying these neurological complications remain elusive. In this study we aimed at determining whether neurological symptoms were caused by SARS-CoV-2 direct infection of by proinflammatory mediators. Methods: We checked for SARS-CoV-2 RNA by RT-qPCR, SARS-CoV-2-specific antibodies and for 48 cytokines/ chemokines/growth factors (by Luminex) in the cerebrospinal fluids (CSF) ± sera of a cohort of 17 COVID- 19 patients with neurological presentation and 55 neurological control patients (inflammatory [IND], non inflammatory [NIND], multiple sclerosis [MS]). Results: We found SARS-CoV-2 RNA and antibodies specific for this virus in the CSF of 0/17 and 8/16 COVID- 19 patients, respectively. The presence of SARS-CoV-2 antibodies was explained by a rupture of the blood brain barrier (passive transfer) in 6/16 (38%). An intrathecal synthesis of SARS-CoV2-specific antibodies was present in 2/16 patients. Of the four categories of tested patients, the CSF of IND exhibited the highest level of chemokines (CCL4, CCL5, CXCL8, CXCL10, CXCL12, and CXCL13), followed by the CSF of MS patients (CXCL12, and CXCL13). There was no significant difference between COVID-19 and NIND patients, even if some chemokines (CCL4, CCL5, CXCL8, andCXCL10) tended to be higher in the former. Interestingly, among COVD-19 patients, the CSF of those with a severe disease (encephalitis/ encephalopathy) contained higher levels CXCL8 and CXCL10 than those with other neurological presentations. Conclusion: Our results do not show obvious SARS-CoV-2 infection of the central nervous system, but point to a mild inflammatory reaction reflecting an astrocytic reaction.