Journal of the peripheral nervous system : JPNS · 2024
Patient-reported disease burden in the Accelerate Clinical Trials in Charcot-Marie-Tooth Disease Study.
СтатьяПоддержка NIH: внешняя программаНазвание и аннотация: Перевод в очереди
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Rehbein T, Purks J, Dilek N, Behrens-Spraggins S, Sowden J E, Eichinger K J, ACT‐CMT Study Group, Burns J, Pareyson D, Scherer S S, Reilly M M, Shy M E, McDermott M P, Heatwole C R, Herrmann D N
Аннотация
BACKGROUND AND AIMS: The Charcot-Marie-Tooth Disease Health Index (CMT-HI) is a disease-specific, patient-reported disease burden measure. As part of an international clinical trial readiness study, individuals with CMT1A (ages 18-75 years) underwent clinical outcome assessments (COAs), including the CMT-HI, to capture their longitudinal perspective on the disease burden.
METHODS: Two hundred and fifteen participants underwent serial COAs including the CMT-HI, CMT Functional Outcome Measure (CMT-FOM), CMT Neuropathy Score (CMTNSv2R), and CMT Exam Score (CMTES/CMTES-R). Correlations between the total and subscale scores for the CMT-HI and other COAs were determined. Changes in the CMT-HI scores over 12 months were assessed using paired t-tests. The minimum clinically important difference (MCID) for the CMT-HI and its subscales were calculated by anchoring to a participant global impression of change scale.
RESULTS: At baseline, CMT1A participants were 44.5 ± 15 years old (range: 18-75) and 58% were women. The mean CMT-HI was 25.7 ± 18.8 (range: 0-91.9; 100 reflecting maximal disease burden). The CMT-HI correlated with the CMT-FOM (r = .54, p < .0001), CMTNSv2R (r = .48, p < .0001), and CMTES/CMTES-R (r = .52/r = .54, p < .0001). Disease burden was greater in women than in men (CMT-HI 29.1 ± 19.1 vs. 21.2 ± 17.3, p = .001). Over 12 months, there was a nonsignificant mean increase in CMT-HI of 0.40 ± 10.0 (n = 189, p = .89). The MCID for the CMT-HI total score was 3.8 points (95% CI: 1.7-5.9).
DISCUSSION: Patient-reported disease burden in CMT1A as measured by the CMT-HI is associated with measures of neurologic impairment and physical functioning. Women reported a higher disease burden than men. These data will inform the design of clinical trials in CMT1A.
METHODS: Two hundred and fifteen participants underwent serial COAs including the CMT-HI, CMT Functional Outcome Measure (CMT-FOM), CMT Neuropathy Score (CMTNSv2R), and CMT Exam Score (CMTES/CMTES-R). Correlations between the total and subscale scores for the CMT-HI and other COAs were determined. Changes in the CMT-HI scores over 12 months were assessed using paired t-tests. The minimum clinically important difference (MCID) for the CMT-HI and its subscales were calculated by anchoring to a participant global impression of change scale.
RESULTS: At baseline, CMT1A participants were 44.5 ± 15 years old (range: 18-75) and 58% were women. The mean CMT-HI was 25.7 ± 18.8 (range: 0-91.9; 100 reflecting maximal disease burden). The CMT-HI correlated with the CMT-FOM (r = .54, p < .0001), CMTNSv2R (r = .48, p < .0001), and CMTES/CMTES-R (r = .52/r = .54, p < .0001). Disease burden was greater in women than in men (CMT-HI 29.1 ± 19.1 vs. 21.2 ± 17.3, p = .001). Over 12 months, there was a nonsignificant mean increase in CMT-HI of 0.40 ± 10.0 (n = 189, p = .89). The MCID for the CMT-HI total score was 3.8 points (95% CI: 1.7-5.9).
DISCUSSION: Patient-reported disease burden in CMT1A as measured by the CMT-HI is associated with measures of neurologic impairment and physical functioning. Women reported a higher disease burden than men. These data will inform the design of clinical trials in CMT1A.