期刊
MULTIPLE SCLEROSIS JOURNAL
卷 28, 期 4, 页码 608-619出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/13524585211032803
关键词
Multiple sclerosis; relapsing-remitting; laquinimod; disability progression
资金
- Teva Pharmaceutical Industries, Petach Tikva, Israel
The CONCERTO study found that the efficacy of 0.6 mg laquinimod in RRMS patients was not significantly different from placebo, although it showed some reductions in brain volume change and relapse rate. Laquinimod demonstrated normal safety profile in the study.
Background: Interventions targeting the adaptive immune response are needed in multiple sclerosis (MS). Objective: Evaluate laquinimod's efficacy, safety, and tolerability in patients with relapsing-remitting multiple sclerosis (RRMS). Methods: CONCERTO was a randomized, double-blind, placebo-controlled, phase-3 study. RRMS patients were randomized 1:1:1 to receive once-daily oral laquinimod 0.6 or 1.2 mg or placebo for <= 24 months (n = 727, n = 732, and n = 740, respectively). Primary endpoint was time to 3-month confirmed disability progression (CDP). The laquinimod 1.2-mg dose arm was discontinued (1 January 2016) due to cardiovascular events at high doses. Safety was monitored throughout the study. Results: CONCERTO did not meet the primary endpoint of significant effect with laquinimod 0.6-mg versus placebo on 3-month CDP (hazard ratio: 0.94; 95% confidence interval: 0.67-1.31; p = 0.706). Secondary endpoint p values were nominal and non-inferential. Laquinimod 0.6 mg demonstrated 40% reduction in percent brain volume change from baseline to Month 15 versus placebo (p < 0.0001). The other secondary endpoint, time to first relapse, and annualized relapse rate (an exploratory endpoint) were numerically lower (both, p = 0.0001). No unexpected safety findings were reported with laquinimod 0.6 mg. Conclusion: Laquinimod 0.6 mg demonstrated only nominally significant effects on clinical relapses and magnetic resonance imaging (MRI) outcomes and was generally well tolerated.
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