期刊
MULTIPLE SCLEROSIS JOURNAL
卷 24, 期 6, 页码 795-804出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1352458517707345
关键词
Clinical trial; phase III; cognitive impairments; daclizumab; interferon beta-1a; multiple sclerosis; randomized controlled trial
资金
- Biogen (Cambridge, MA, USA)
- AbbVie Biotherapeutics Inc. (Redwood City, CA, USA)
Background: Cognitive impairment is common in multiple sclerosis (MS), with cognitive processing speed being the most frequently affected domain. Objective: Examine the effects of daclizumab beta versus intramuscular (IM) interferon (IFN) beta-1a on cognitive processing speed as assessed by Symbol Digit Modalities Test (SDMT). Methods: In DECIDE, patients with relapsing-remitting multiple sclerosis (RRMS) (age: 18-55years; Expanded Disability Status Scale (EDSS) score 0-5.0) were randomized to daclizumab beta (n=919) or IM IFN beta-1a (n=922) for 96-144weeks. SDMT was administered at baseline and at 24-week intervals. Results: At week 96, significantly greater mean improvement from baseline in SDMT was observed with daclizumab beta versus IM IFN beta-1a (p=0.0274). Significantly more patients treated with daclizumab beta showed clinically meaningful improvement in SDMT (increase from baseline of 3 points (p=0.0153) or 4 points (p=0.0366)), and significantly fewer patients showed clinically meaningful worsening (decrease from baseline of 3 points (p=0.0103)). Odds representing risk of worsening versus stability or improvement on SDMT were significantly smaller for daclizumab beta (p=0.0088 (3-point threshold); p=0.0267 (4-point threshold)). In patients completing 144weeks of treatment, the effects of daclizumab beta were generally sustained. Conclusion: These results provide evidence for a benefit of daclizumab beta versus IM IFN beta-1a on cognitive processing speed in RRMS. Trial registration: ClinicalTrials.gov identifier NCT01064401 (Efficacy and Safety of BIIB019 (Daclizumab High Yield Process) Versus Interferon 1a in Participants With Relapsing-Remitting Multiple Sclerosis (DECIDE)): https://clinicaltrials.gov/ct2/show/NCT01064401.
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