Objective: Report outcomes on patients with Multiple Sclerosis (MS) and related disorders with COVID-19 illness.Methods: From March 16 to April 30 th , 2020, patients with MS or related disorders at NYU Langone MS Comprehensive Care Center (MSCC) were identified with laboratory-confirmed or suspected COVID-19. The diagnosis was established using a standardized questionnaire or by review of in-patient hospital records. Results: We identified 76 patients (55 with relapsing MS of which 9 had pediatric-onset;17 with progressive MS; and 4 with related disorders). 37 underwent PCR testing and were confirmed positive. Of the entire group, 64 (84%) patients were on disease-modifying therapy (DMT) including anti-CD20 therapies (n=34, 44.7%) and sphingosine 1-phosphate receptor modulators (n=10, 13.5%). The most common COVID-19 symptoms were fever and cough, but 21.1% of patients had neurologic symptom recrudescence preceding or coinciding with the infection. A total of 18 (23.7%) were hospitalized; 8 (10.5%) had COVID-19 critical illness or related death. Features more common among those hospitalized or with critical illness or death were older age, presence of comorbidities, progressive disease, and a non-ambulatory status. No DMT class was associated with an increased risk of hospitalization or fatal outcome. Conclusions: Most MS patients with COVID-19 do not require hospitalization despite being on DMTs. Factors associated with critical illness were similar to the general 'at risk' patient population. DMT use did not emerge as a predictor of poor COVID-19 outcome in this preliminary sample.

ObjectiveTo report outcomes on patients with multiple sclerosis (MS) and related disorders with coronavirus disease 2019 (COVID-19) illness.MethodsFrom March 16 to April 30, 2020, patients with MS or related disorders at NYU Langone MS Comprehensive Care Center were identified with laboratory-confirmed or suspected COVID-19. The diagnosis was established using a standardized questionnaire or by review of in-patient hospital records.ResultsWe identified 76 patients (55 with relapsing MS, of which 9 had pediatric onset; 17 with progressive MS; and 4 with related disorders). Thirty-seven underwent PCR testing and were confirmed positive. Of the entire group, 64 (84%) patients were on disease-modifying therapy (DMT) including anti-CD20 therapies (n = 34, 44.7%) and sphingosine-1-phosphate receptor modulators (n = 10, 13.5%). The most common COVID-19 symptoms were fever and cough, but 21.1% of patients had neurologic symptom recrudescence preceding or coinciding with the infection. A total of 18 (23.7%) were hospitalized; 8 (10.5%) had COVID-19 critical illness or related death. Features more common among those hospitalized or with critical illness or death were older age, presence of comorbidities, progressive disease, and a nonambulatory status. No DMT class was associated with an increased risk of hospitalization or fatal outcome.ConclusionsMost patients with MS with COVID-19 do not require hospitalization despite being on DMTs. Factors associated with critical illness were similar to the general at-risk patient population. DMT use did not emerge as a predictor of poor COVID-19 outcome in this preliminary sample.

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