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Teriflunomide reduces relapse-related neurological sequelae, hospitalizations and steroid use.

ABSTRACT: Multiple sclerosis (MS) relapses impose a substantial clinical and economic burden. Teriflunomide is a new oral disease-modifying therapy approved for the treatment of relapsing MS. We evaluated the effects of teriflunomide treatment on relapse-related neurological sequelae and healthcare resource use in a post hoc analysis of the Phase III TEMSO study. Confirmed relapses associated with neurological sequelae [defined by an increase in Expanded Disability Status Scale/Functional System (sequelae-EDSS/FS) ? 30 days post relapse or by the investigator (sequelae-investigator)] were analyzed in the modified intention-to-treat population (n = 1086). Relapses requiring hospitalization or intravenous (IV) corticosteroids, all hospitalizations, emergency medical facility visits (EMFV), and hospitalized nights for relapse were also assessed. Annualized rates were derived using a Poisson model with treatment, baseline EDSS strata, and region as covariates. Risks of sequelae and hospitalization per relapse were calculated as percentages and groups were compared with a ?(2) test. Compared with placebo, teriflunomide reduced annualized rates of relapses with sequelae-EDSS/FS [7 mg by 32 % (p = 0.0019); 14 mg by 36 % (p = 0.0011)] and sequelae-investigator [25 % (p = 0.071); 53 % (p < 0.0001)], relapses leading to hospitalization [36 % (p = 0.015); 59 % (p < 0.0001)], and relapses requiring IV corticosteroids [29 % (p = 0.001); 34 % (p = 0.0003)]. Teriflunomide-treated patients spent fewer nights in hospital for relapse (p < 0.01). Teriflunomide 14 mg also decreased annualized rates of all hospitalizations (p = 0.01) and EMFV (p = 0.004). The impact of teriflunomide on relapse-related neurological sequelae and relapses requiring healthcare resources may translate into reduced healthcare costs.

SUBMITTER: O'Connor PW

PROVIDER: S-EPMC3824843 | biostudies-literature | 2013 Oct

REPOSITORIES: biostudies-literature

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Teriflunomide reduces relapse-related neurological sequelae, hospitalizations and steroid use.

O'Connor Paul W PW Lublin Fred D FD Wolinsky Jerry S JS Confavreux Christian C Comi Giancarlo G Freedman Mark S MS Olsson Tomas P TP Miller Aaron E AE Dive-Pouletty Catherine C Bégo-Le-Bagousse Gaëlle G Kappos Ludwig L

Journal of neurology 20130714 10

Multiple sclerosis (MS) relapses impose a substantial clinical and economic burden. Teriflunomide is a new oral disease-modifying therapy approved for the treatment of relapsing MS. We evaluated the effects of teriflunomide treatment on relapse-related neurological sequelae and healthcare resource use in a post hoc analysis of the Phase III TEMSO study. Confirmed relapses associated with neurological sequelae [defined by an increase in Expanded Disability Status Scale/Functional System (sequelae ...[more]

PMID: 23852658

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Project description:Importance:Preventing delayed neurological sequelae is a major goal of treating acute carbon monoxide poisoning, but to our knowledge there are no reliable tools for assessing the probability of these sequelae. Objectives:To determine whether acute brain lesions on diffusion-weighted imaging are related to subsequent development of delayed neurological sequelae after acute carbon monoxide poisoning. Design, Setting, and Participants:This registry-based observational study was conducted at a university hospital in Seoul, Korea, between April 1, 2011, and December 31, 2015. Of 700 patients (aged ?18 years) with acute carbon monoxide poisoning, 433 patients (61.9%) who underwent diffusion-weighted imaging at an emergency department were considered for the study. Patients who developed cardiac arrest before diffusion-weighted imaging (n?=?3), had persistent neurological symptoms at discharge (n?=?8), committed suicide soon after discharge (n?=?1), and were lost to follow-up (n?=?34) were excluded. Exposure:The presence of unambiguous, high-signal-intensity, acute brain lesions on diffusion-weighted imaging (b?=?1000 s/mm2). Main Outcomes and Measures:Development of delayed neurological sequelae defined as any neurological symptoms or signs that newly developed within 6 weeks of discharge. Results:Of the 387 included patients (143 women [37.0%]; median age, 42.0 years [interquartile range, 32.0-56.0 years]), acute brain lesions on diffusion-weighted imaging were observed in 104 patients (26.9%). Among these, 77 patients (19.9%) had globus pallidus lesions, 13 (3.4%) had diffuse lesions, and 57 (14.7%) had focal lesions (37 patients [9.6%] had >1 pattern concurrently). Lesions were supratentorial and infratentorial in 101 and 23 patients, respectively. Delayed neurological sequelae occurred in 101 patients (26.1%). Multivariable logistic regression analysis indicated that the presence of acute brain lesions was independently associated with development of delayed neurological sequelae (adjusted odds ratio, 13.93; 95% CI, 7.16-27.11; P?<?.001). The sensitivity and specificity of acute brain lesions to assess the probability of delayed neurological sequelae were 75.2% (95% CI, 66.8%-83.7%) and 90.2% (95% CI, 86.8%-93.7%), respectively. In addition, the positive and negative predictive values were 73.1% (95% CI, 64.6%-81.6%) and 91.2% (95% CI, 87.9%-94.5%), respectively. Conclusions and Relevance:The presence of acute brain lesions was significantly associated with the development of delayed neurological sequelae. Diffusion-weighted imaging during the acute phase of carbon monoxide poisoning may therefore help identify patients at risk of developing these debilitating sequelae.

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Dataset Information

Teriflunomide reduces relapse-related neurological sequelae, hospitalizations and steroid use.

Publications

Teriflunomide reduces relapse-related neurological sequelae, hospitalizations and steroid use.

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