Descriptive analysis reveals motor function trajectories related to loss of ambulation in ambulatory DMD, indicating critical health state distinctions.
We described ambulatory Duchenne muscular dystrophy (DMD) progression, across multiple functional measures, via previously established prognostic groups for loss of ambulation (LoA) and health states. Patients closer to vs. farther from LoA had greater declines in some measures (e.g., 6-min walk distance) and less change in others (e.g., timed rise from floor velocity) due to floor effects. Patients in the late vs. early ambulatory health state were concordantly shifted towards higher LoA risk. Findings further characterize health states and prognostic factors in ambulatory DMD and highlight the importance of multiple measures of function to fully characterize disease progression.
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Muntoni et al. (2025) studied this question.
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