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Published on: December 9, 2015
Daclizumab high-yield process in relapsing-remitting multiple sclerosis (SELECT): a randomised, double-blind,
Ralf Gold1, Gavin Giovannoni, Krzysztof Selmaj
1St Josef-Hospital, Ruhr-University Bochum, Bochum, Germany. ralf.gold@ruhr-uni-bochum.de
Daclizumab HYP significantly reduced relapse rates in relapsing-remitting multiple sclerosis patients over one year. This study suggests daclizumab HYP as a potential new treatment option for active MS.
Area of Science:
- Immunology
- Neurology
- Pharmacology
Background:
- Daclizumab is a monoclonal antibody targeting the IL-2 receptor alpha subunit (CD25).
- It modulates interleukin-2 signaling, crucial in immune responses.
- This study investigated daclizumab high-yield process (HYP) for relapsing-remitting multiple sclerosis (RRMS).
Purpose of the Study:
- To evaluate the efficacy of daclizumab HYP as monotherapy in RRMS patients.
- To assess its effect on disease activity over a 1-year treatment period.
- To determine if daclizumab HYP offers a new therapeutic option for RRMS.
Main Methods:
- A randomized, double-blind, placebo-controlled trial involving 76 centers.
- Patients with RRMS received subcutaneous daclizumab HYP (150 mg or 300 mg) or placebo every 4 weeks for 52 weeks.
- The primary endpoint was the annualized relapse rate, analyzed by intention-to-treat.
Main Results:
- Daclizumab HYP (150 mg and 300 mg) significantly reduced the annualized relapse rate compared to placebo (54% and 50% reduction, respectively).
- A higher proportion of patients in the daclizumab HYP groups remained relapse-free (81% and 80%) versus placebo (64%).
- Serious adverse events were comparable across groups, with one fatality in the daclizumab HYP 150 mg group due to a complication of a psoas abscess.
Conclusions:
- Subcutaneous daclizumab HYP administered every 4 weeks demonstrated clinically significant effects on multiple sclerosis disease activity.
- The findings support daclizumab HYP as a potential additional treatment for relapsing-remitting multiple sclerosis.
- Further research may explore its long-term efficacy and safety profile.
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