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- Longinetti, E., et al.
(författare)
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COVID-19 clinical outcomes and DMT of MS patients and population-based controls
- 2022
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Ingår i: Annals of Clinical and Translational Neurology. - : Wiley. - 2328-9503. ; 9:9, s. 1449-1458
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To estimate risks for all-cause mortality and for severe COVID-19 in multiple sclerosis patients and across relapsing-remitting multiple sclerosis patients exposed to disease-modifying therapies. Methods: We conducted a Swedish nationwide population-based multi-register linkage cohort study and followed all multiple sclerosis patients (n = 17,692 in March 2020), individually age-, sex-, and region-matched to five population-based controls (n = 86,176 in March 2020) during March 2020-June 2021. We compared annual all-cause mortality within and across cohorts, and assessed incidence rates and relative risks for hospitalization, intensive care admission, and death due to COVID-19 in relation to disease-modifying therapy use, using Cox regression. Results: Absolute all-cause mortality among multiple sclerosis patients was higher from March to December 2020 than in previous years, but relative risks versus the population-based controls were similar to preceding years. Incidence rates of hospitalization, intensive care admission, and death due to COVID-19 remained in line with those for all-cause hospitalization, intensive care admission, and mortality. Among relapsing-remitting patients on rituximab, trends for differences in risk of hospitalization due to COVID-19 remained in the demographics-, socioeconomic status-, comorbidity-, and multiple sclerosis severity-adjusted model. Interpretation: Risks of severe COVID-19-related outcomes were increased among multiple sclerosis patients as a whole compared to population controls, but risk increases were also seen for non-COVID-19 hospitalization, intensive care admission, and mortality, and did not significantly differ during the pandemic compared to pre-pandemic years. The risk conveyed by disease-modifying therapies was smaller than previously assumed, likely as a consequence of the possibility to better control for confounders.
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- Longinetti, E., et al.
(författare)
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Physical and cognitive fitness in young adulthood and risk of amyotrophic lateral sclerosis at an early age
- 2017
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Ingår i: European Journal of Neurology. - Stockholm : Wiley-Blackwell. - 1351-5101 .- 1468-1331. ; 24:1, s. 137-142
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Tidskriftsartikel (refereegranskat)abstract
- Background and purpose: There is a clinical impression that patients with amyotrophic lateral sclerosis (ALS) have a higher level of physical fitness and lower body mass index (BMI) than average. However, there is a lack of literature examining the relationship between cognitive fitness and ALS risk. In this study we explored the associations of both physical and cognitive fitness with future risk of ALS.Methods: Data on physical fitness, BMI, intelligence quotient (IQ) and stress resilience were collected from 1 838 376 Swedish men aged 17-20 years at conscription during 1968-2010. Their subsequent ALS diagnoses were identified through the Swedish Patient Register. Hazard ratios (HRs) and 95% CIs from flexible parametric models were used to assess age-specific associations of physical fitness, BMI, IQ and stress resilience with ALS.Results: We identified 439 incident ALS cases during follow-up (mean age at diagnosis: 48 years). Individuals with physical fitness above the highest tertile tended to have a higher risk of ALS before the age of 45 years (range of HRs: 1.42-1.75; statistically significant associations at age 41-43 years) compared with others. Individuals with BMI ≥ 25 tended to have a lower risk of ALS at all ages (range of HRs: 0.42-0.80; statistically significant associations at age 42-48 years) compared with those with BMI < 25. Individuals with IQ above the highest tertile had a statistically significantly increased risk of ALS at an age of 56 years and above (range of HRs: 1.33-1.81), whereas individuals with stress resilience above the highest tertile had a lower risk of ALS at an age of 55 years and below (range of HRs: 0.47-0.73).Conclusions: Physical fitness, BMI, IQ and stress resilience in young adulthood might be associated with the development of ALS at an early age.
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- Longinetti, E, et al.
(författare)
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Risk of depression in multiple sclerosis across disease-modifying therapies
- 2022
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Ingår i: Multiple sclerosis (Houndmills, Basingstoke, England). - : SAGE Publications. - 1477-0970 .- 1352-4585. ; 28:4, s. 632-641
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Tidskriftsartikel (refereegranskat)abstract
- Depression and use of antidepressants are more common among patients with multiple sclerosis (MS) compared to the general population, but the relation of psychiatric comorbidity to use of different disease-modifying therapies (DMTs) is less clear. Objective: To determine whether risk of incident depression or antidepressant use differed across DMTs, and to assess whether depression and antidepressants affected risk of DMT discontinuation and MS relapses. Methods: We prospectively followed for 8 years a register-based nationwide cohort of 3803 relapsing-remitting MS patients. Results: Patients on rituximab had a lower risk of being diagnosed with depression or initiating antidepressants compared with the reference group treated with interferons (hazard ratio (HR) = 0.72, 95% confidence interval (CI) = 0.54–0.96). Patients diagnosed with depression discontinued interferon treatment to a higher extent than patients without depression (HR = 1.51; 95% CI = 1.15–1.98), as did patients on fingolimod initiating an antidepressant compared to patients who did not initiate an antidepressant (HR = 1.47; 95% CI = 1.04–2.08). Conclusions: Our results indicate that the choice of DMT is associated with subsequent risk of depression in MS, but further studies are needed to establish whether there is a causal link. Overall, depression and use of antidepressants displayed limited associations with DMT discontinuation and MS relapse.
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- Longinetti, E., et al.
(författare)
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SARS-COV2 exposure rates and serological response of people living with MS
- 2022
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Ingår i: Multiple Sclerosis Journal. - : Sage Publications. - 1352-4585 .- 1477-0970. ; 28:Suppl. 3, s. 515-516
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Introduction: Some multiple sclerosis (MS) disease-modifying therapies (DMTs) are associated with blunted humoral vaccination responses, but relevance for SARS-CoV-2 infection is unclear.Objectives: To determine SARS-CoV-2 exposure rates and formation of antibody memory among participants of the COMparison Between All immunoTherapies for MS (COMBAT-MS; NCT03193866) and the Immunomodulation and MS Epidemiology (IMSE) studies.Aim: To determine SARS-CoV2 serological response of people living with MS (pwMS).Methods: Using a multiplex bead-based assay we determined SARS-CoV-2 spike and nucleocapsid antibody levels in 3,723 pwMS in paired serum samples (n=7,157) donated prior (Results: Specificity and sensitivity of the assay for SARS-CoV-2 was 100% and 99.7%, respectively. The proportion of positive samples for SARS-CoV-2 differed moderately across DMTs with the highest values among cladribine-treated (7.4%) and the lowest number among rituximab-treated pwMS (3.9%). Similarly, the proportion of positive cases not reported in the Swedish MS registry varied from 100% for cladribine to 33.3% among untreated pwMS. Comparing levels of antibodies titers showed that levels were lower among those treated with rituximab or fingolimod vs interferon treated pwMS. Point estimates indicated a similar trend comparing rituximab or fingolimod vs untreated pwMS.Conclusions: Overall rates of SARS-CoV-2 antibody positivity after the first COVID-19 wave differed only moderately across DMTs, while antibody levels were lower with rituximab or fingolimod compared to interferon-treated pwMS. This indicates quantitative rather than qualitative differences in the humoral response to infection.
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- Longinetti, E., et al.
(författare)
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Trajectories of processing speed, disability, and their connections, over the years following disease modulatory treatment initiation among relapsing-remitting multiple sclerosis patients
- 2021
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Ingår i: Multiple Sclerosis Journal. - : Sage Publications. - 1352-4585 .- 1477-0970. ; 27:Suppl. 2, s. 677-678
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Introduction: Data on how processing speed of relapsing-remitting multiple sclerosis patients (RRMS) evolve over time and its association with disability progression is scarce. We analysed the COMparison Between All immunoTherapies for Multiple Sclerosis (CombatMS; NCT03193866), a nationwide observational drug trial in RRMS.Objectives: Identify trajectories of processing speed and disability and their connections after disease modulatory treatment (DMT) start within the RRMS population.Describe patient characteristics associated with trajectory groups.Aim: Model trajectories of processing speed and disability.Methods: We assessed trajectories of oral Symbol Digit Modalities Test (SDMT) and expanded disability status scale (EDSS) from first DMT start using a group-based modeling approach among 1,800 RRMS patients followed 2010-2021. We investigated predictors of trajectories using group membership assignments as a multinomial outcome and calculated conditional probabilities linking membership across the trajectories.Results: We identified four trajectories of processing speed: low SDMT score (mean starting values; MSV=36.7, standard deviation; SD=8.4)-stable (13%), medium score (MSV =50.8, SD=6.7)-minor decrease (52%), medium/high score (MSV=62.9, SD=8.6)-minor decrease (32%), and high score (MSV= 75.2, SD=9.7)-moderate decrease (3%), and four trajectories of disability: no disability-stable (23%), minimal signs-minor increase (45%), minimal disability-moderate increase (27%), and relatively severe disability-moderate increase (5%). Patients with natalizumab as first DMT were less likely to belong to the medium and high processing speed trajectories, relative to the low SDMT score-stable one. Sex, age at DMT start, and geographical region of treatment were associated with medium and high processing speed and with minimal signs and minimal dis-ability trajectories.There was 0% probability of belonging to the relatively severe disability-moderate increase EDSS trajectory if belonging to the high score-moderate decrease SDMT trajectory, and 8% probability of belonging to the no disability-stable EDSS trajectory if belonging to the low score-stable SDMT trajectory.Conclusions: Patients with lower SDMT scores at DMT start did not decline over the years, whereas those with minimal or relatively severe disability moderately lost function. Our results also suggest an inverse link between processing speed and disability trajectories after DMT start.
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