Humoral immune response to COVID-19 mRNA vaccines in patients with relapsing multiple sclerosis treated with ofatumumab

BACKGROUND: There are limited data available regarding the impact of ofatumumab, an anti-CD20 B-cell-depleting monoclonal antibody for relapsing multiple sclerosis (RMS), on vaccination response. The study objective was to assess humoral immune response (HIR) to non-live coronavirus disease 2019 (COVID-19) messenger RNA (mRNA) vaccination in patients with RMS treated with ofatumumab. METHODS: This was an open-label, single-arm, multicenter, prospective pilot study of patients with RMS aged 18-55 years who received 2 or 3 doses of a COVID-19 mRNA vaccine after ≥1 month of subcutaneous ofatumumab (20 mg/month) treatment. The primary endpoint was the proportion of patients achieving HIR, as defined by local laboratory severe acute respiratory syndrome coronavirus-2 qualitative immunoglobulin G assays. Assay No. 1 was ≥14 days after the second or third vaccine dose. Assay No. 2 was 90 days thereafter. RESULTS: Of the 26 patients enrolled (median [range] age: 42 [27-54] years; median [range] ofatumumab treatment duration: 237 [50-364] days), HIR was achieved by 53.9% (14/26; 95% CI: 33.4 - 73.4%) at Assay No. 1 and 50.0% (13/26; 95% CI: 29.9 - 70.1%) at Assay No. 2. Patients who received 3 vaccine doses had higher HIR rates (Assay No. 1: 70.0% [7/10]; Assay No. 2: 77.8% [7/9]) than those who received 2 doses (Assay No. 1: 46.7% [7/15]; Assay No. 2: 42.9% [6/14]). Of patients aged \u3c40 years without previous anti-CD20 therapy, HIR was achieved by 90.0% (9/10) at Assay No. 1 and 75.0% (6/8) at Assay No. 2. No serious adverse events were reported. CONCLUSION: Patients with RMS treated with ofatumumab can mount HIRs following COVID-19 vaccination. A plain language summary, infographic and a short video summarizing the key results are provided in supplementary material. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov: NCT04847596 (https://clinicaltrials.gov/ct2/show/NCT04847596)

The Clinical and Economic Impact of Employees Who Are Care Partners of Patients with Multiple Sclerosis by Disease Severity

**Background:** Research on employee care partners of patients with multiple sclerosis (MS) is limited. **Objectives:** The clinical and economic impact on employee care partners was evaluated by MS disease severity. **Methods:** Employees with spouses/domestic partners with MS from the Workpartners database (Jan. 1, 2010–Dec. 31, 2019) were eligible if: spouse/partner had at least 3 MS-related (ICD-9-CM/ICD-10-CM:340.xx/G35) inpatient/outpatient/disease-modifying therapy claims within 1 year (latest claim = index date); 6-month pre-index/1-year post-index enrollment; and age 18 to 64 years. Employee care partners’ demographic/clinical characteristics and direct/indirect costs were compared across predetermined MS severity categories. Logistic and generalized linear regression modeled the costs. **Results:** Among 1041 employee care partners of patients with MS, 358 (34.4%) patients had mild MS, 491 (47.2%) moderate, and 192 (18.4%) severe. Mean (standard error [SE]) employee care partner age was 49.0 (0.5) for patients with mild disease, 50.5 (0.4) for moderate, 51.7 (0.6) for severe; percent female care partners was 24.6% [2.3%] mild, 19.8% [1.8%] moderate, 27.6% [3.2%] severe; and mean care partner Charlson Comorbidity Index scores 0.28 (0.05) mild, 0.30 (0.04) moderate, 0.27 (0.06) severe. More care partners of patients with moderate/severe vs mild MS had hyperlipidemia (32.6%/31.8% vs 21.2%), hypertension (29.5%/29.7% vs 19.3%), gastrointestinal disease (20.8%/22.9% vs 13.1%), depression (9.2%/10.9% vs 3.9%), and anxiety 10.6%/8.9% vs 4.2%). Adjusted mean medical costs were greater for employee care partners of patients with moderate vs mild/severe disease (_P_<.001). Pharmacy costs (SE) were lower for employee care partners of mild vs severe/moderate patients (_P_<.005). Sick leave costs (SE) were greater for employee care partners of mild/severe vs moderate patients (_P_<.05). **Discussion:** Employee care partners of patients with moderate/severe vs mild MS had more comorbidities (ie, hypertension, gastrointestinal disease, depression, and anxiety) and higher pharmacy costs. Employee care partners of patients with moderate vs mild/severe MS had higher medical and lower sick leave costs. Treatment strategies that improve patient outcomes may reduce employee care partner burden and lower costs for employers in some instances. **Conclusions:** Comorbidities and direct/indirect costs of employees whose spouses/partners have MS were considerable and varied with MS severity

Denial or unawareness of cognitive deficit associated with multiple sclerosis? A case report

A nondemented, 55-year-old woman with a 20-year history of relapsing-remitting multiple sclerosis (MS) recently began having significant difficulties performing her job after several years of successful employment. While the patient acknowledged that others considered her job performance as being below standards, she did not subjectively experience any change in her cognitive functioning that would negatively impact job performance. She had no explanation as to why her job performance was now considered unsatisfactory. She also appeared to be in no distress over her situation. Was the patients unawareness a form of anosognosia or psychological denial of her clinical condition? We provide neuropsychological, neuroimaging, and behavioral descriptions of the patient that suggest that the underlying disturbance appeared to be a neuropsychologically based, impaired self-awareness (ISA). Clinical suggestions are provided for distinguishing between ISA and denial of disability (DD) in MS patients. © 2014 © 2014 Taylor & Francis

Interferons and Multiple Sclerosis: Lessons from 25 Years of Clinical and Real-World Experience with Intramuscular Interferon Beta-1a (Avonex).

Recombinant interferon (IFN) β-1b was approved by the US Food and Drug Administration as the first disease-modifying therapy (DMT) for multiple sclerosis (MS) in 1993. Since that time, clinical trials and real-world observational studies have demonstrated the effectiveness of IFN therapies. The pivotal intramuscular IFN β-1a phase III trial published in 1996 was the first to demonstrate that a DMT could reduce accumulation of sustained disability in MS. Patient adherence to treatment is higher with intramuscular IFN β-1a, given once weekly, than with subcutaneous formulations requiring multiple injections per week. Moreover, subcutaneous IFN β-1a is associated with an increased incidence of injection-site reactions and neutralizing antibodies compared with intramuscular administration. In recent years, revisions to MS diagnostic criteria have improved clinicians\u27 ability to identify patients with MS and have promoted the use of magnetic resonance imaging (MRI) for diagnosis and disease monitoring. MRI studies show that treatment with IFN β-1a, relative to placebo, reduces T2 and gadolinium-enhancing lesions and gray matter atrophy. Since the approval of intramuscular IFN β-1a, a number of high-efficacy therapies have been approved for MS, though the benefit of these high-efficacy therapies should be balanced against the increased risk of serious adverse events associated with their long-term use. For some subpopulations of patients, including pregnant women, the safety profile of IFN β formulations may provide a particular benefit. In addition, the antiviral properties of IFNs may indicate potential therapeutic opportunities for IFN β in reducing the risk of viral infections such as COVID-19