ArticleDrugs - real world outcomes2025
Real-World Treatment Outcomes in Black, Hispanic, Asian, and White Patients with Multiple Sclerosis Treated with Natalizumab.
Article in Drugs - real world outcomes, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMultiple sclerosis (MS) is a heterogeneous disease that may manifest differently among racial/ethnic groups, influencing response to disease-modifying therapy (DMT). Data on natalizumab (NTZ) effectiveness in people with MS (PwMS) based on race/ethnicity are limited.
objectiveThe aim of this study was to evaluate the effectiveness of NTZ on relapse onset and rate, and to assess MS-related healthcare encounters and costs in Black, Hispanic, Asian, and White PwMS.
methodsThis was a retrospective analysis of the Komodo Health Claims Database, including adult patients in the US with one or more MS claim at index date (January 1, 2016-August 31, 2022). Patients were followed from first NTZ exposure through end of study, end of insurance eligibility, gap in index DMT > 45 days, or DMT switch. Annualized relapse rate (ARR), time to first relapse, and MS-related healthcare encounters and costs were compared in the 12 months pre/post NTZ initiation and while on treatment across racial strata.
resultsThe study included 3244 PwMS (Black, n = 632; Hispanic, n = 382; Asian, n = 49; White, n = 2181). Mean post-index NTZ exposure was 15.5-19.2 months. Post-index ARRs were significantly reduced across racial/ethnic groups (p < 0.001). The adjusted Kaplan-Meier estimated proportion of relapse-free patients at 2 years for all racial/ethnic groups was not significantly different from the White group. Significant differences were observed in annualized MS-related healthcare cost rates but not in annualized MS-related encounter rates before and after NTZ initiation across the racial/ethnic groups.
conclusionNTZ was effective across racial/ethnic groups although not significantly different between groups.
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