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Efficacy of alemtuzumab over 6 years in relapsing-remitting multiple sclerosis patients who relapsed between courses 1 and 2: Post hoc analysis of the CARE-MS studies

Van Wijmeersch, B. (author)
Singer, B. A. (author)
Boster, A. (author)
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Broadley, S. (author)
Fernandez, O. (author)
Freedman, M. S. (author)
Izquierdo, G. (author)
Lycke, Jan, 1956 (author)
Gothenburg University,Göteborgs universitet,Institutionen för neurovetenskap och fysiologi,Institute of Neuroscience and Physiology
Pozzilli, C. (author)
Sharrack, B. (author)
Steingo, B. (author)
Wiendl, H. (author)
Wray, S. (author)
Ziemssen, T. (author)
Chung, L. (author)
Margolin, D. H. (author)
Thangavelu, K. (author)
Vermersch, P. (author)
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 (creator_code:org_t)
2019-11-01
2020
English.
In: Multiple Sclerosis Journal. - : SAGE Publications. - 1352-4585 .- 1477-0970. ; 26:13, s. 1719-1728
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • Background:Alemtuzumab is administered as two annual courses for relapsing-remitting multiple sclerosis (MS). Patients may relapse before completing the two-course regimen. Objective: The objective was to evaluate 6-year outcomes in patients who relapsed between alemtuzumab Courses 1 and 2 (early relapsers). Methods:Post hoc analysis of patients from the Comparison of Alemtuzumab and Rebif (R) Efficacy in Multiple Sclerosis (CARE-MS) studies who enrolled in the extension. Results:Early relapsers (CARE-MS I: 15%; CARE-MS II: 24%) had more relapses in 1-2 years pre-alemtuzumab and higher mean baseline Expanded Disability Status Scale score than patients without relapse. Their annualized relapse rate declined from Year 1 (CARE-MS I: 1.3; CARE-MS II: 1.2) to Year 2 following Course 2 (0.3; 0.5) and remained low thereafter. Over 6 years, 60% remained free of 6-month confirmed disability worsening; 24% (CARE-MS I) and 34% (CARE-MS II) achieved 6-month confirmed disability improvement. During Year 6, 69% (CARE-MS I) and 68% (CARE-MS II) were free of magnetic resonance imaging (MRI) disease activity. Median percent yearly brain volume loss (Year 1: -0.67% (CARE-MS I); -0.47% (CARE-MS II)) declined after Course 2 (Year 6: -0.24%; -0.13%). Conclusion: Early relapsers' outcomes improved after completing the second alemtuzumab course. These findings support administering the approved two-course regimen to maximize clinical benefit. ClinicalTrials.gov registration numbers:CARE-MS I, II, extension: NCT00530348, NCT00548405, NCT00930553.

Subject headings

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine -- Neurosciences (hsv//eng)

Keyword

Alemtuzumab
disease-modifying therapy
relapsing-remitting multiple
sclerosis (MS)
efficacy
magnetic resonance imaging (MRI)
disability
interferon
therapy
natalizumab
disability
disease
trial
Neurosciences & Neurology

Publication and Content Type

ref (subject category)
art (subject category)

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