Corticosteroid Treatments in Males With Duchenne Muscular Dystrophy
- 20 November 2014
- journal article
- research article
- Published by SAGE Publications in Journal of Child Neurology
- Vol. 30 (10), 1275-1280
- https://doi.org/10.1177/0883073814558120
Abstract
This population-based study examines the association between corticosteroid treatment and time to loss of ambulation, stratifying by treatment duration (short: 0.25-3 years, long: >3 years), among 477 Duchenne muscular dystrophy cases identified by the Muscular Dystrophy Surveillance Tracking and Research Network (MDSTAR net). Those cases who received short-term corticosteroid treatment had a time to loss of ambulation that was 0.8 years shorter ( t test) and an annual risk of losing ambulation 77% higher than the untreated (Cox regression). Conversely, cases who received long-term corticosteroid treatment had a time to loss of ambulation that was 2 years longer and an annual risk of losing ambulation 82% lower than the untreated, up to age 11 years; after which the risks were not statistically different. The relationship of corticosteroids and time to loss of ambulation is more complex than depicted by previous studies limited to treatment responders or subjects who lost ambulation during study follow-up.Keywords
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