The Cooperative International Neuromuscular Research Group Duchenne Natural History Study-A Longitudinal Investigation In The Era Of Glucocorticoid Therapy: Design Of Protocol And The Methods Used

Craig M McDonald, Erik K Henricson, R. Ted Abresch, Jay J. Han, Diana M. Escolar, Julaine M. Florence, Tina Duong, Adrienne Arrieta, Paula R. Clemens, Eric P. Hoffman, Nanette Joyce

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

Contemporary natural history data in Duchenne muscular dystrophy (DMD) is needed to assess care recommendations and aid in planning future trials. Methods: The Cooperative International Neuromuscular Research Group (CINRG) DMD Natural History Study (DMD-NHS) enrolled 340 individuals, aged 2-28 years, with DMD in a longitudinal, observational study at 20 centers. Assessments obtained every 3 months for 1 year, at 18 months, and annually thereafter included: clinical history; anthropometrics; goniometry; manual muscle testing; quantitative muscle strength; timed function tests; pulmonary function; and patient-reported outcomes/health-related quality-of-life instruments. Results: Glucocorticoid (GC) use at baseline was 62% present, 14% past, and 24% GC-naive. In those ≥6 years of age, 16% lost ambulation over the first 12 months (mean age 10.8 years). Conclusions: Detailed information on the study methodology of the CINRG DMD-NHS lays the groundwork for future analyses of prospective longitudinal natural history data. These data will assist investigators in designing clinical trials of novel therapeutics.

Original languageEnglish (US)
Pages (from-to)32-54
Number of pages23
JournalMuscle and Nerve
Volume48
Issue number1
DOIs
StatePublished - Jul 2013

Fingerprint

Duchenne Muscular Dystrophy
Natural History
Glucocorticoids
Longitudinal Studies
Research
Muscle Strength
Therapeutics
Walking
Observational Studies
Quality of Life
Research Personnel
Clinical Trials
Muscles
Lung

Keywords

  • Adolescent
  • Adult
  • Child/preschool
  • Follow-up study
  • Health status
  • Human
  • Locomotion
  • Male
  • Muscle strength/physiology
  • Muscular dystrophies/classification
  • Muscular dystrophies/Duchenne/physiopathology
  • Muscular dystrophies/therapy
  • Phenotype
  • Quality of life/psychology
  • Respiratory function test

ASJC Scopus subject areas

  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Physiology (medical)
  • Physiology

Cite this

The Cooperative International Neuromuscular Research Group Duchenne Natural History Study-A Longitudinal Investigation In The Era Of Glucocorticoid Therapy : Design Of Protocol And The Methods Used. / McDonald, Craig M; Henricson, Erik K; Abresch, R. Ted; Han, Jay J.; Escolar, Diana M.; Florence, Julaine M.; Duong, Tina; Arrieta, Adrienne; Clemens, Paula R.; Hoffman, Eric P.; Joyce, Nanette.

In: Muscle and Nerve, Vol. 48, No. 1, 07.2013, p. 32-54.

Research output: Contribution to journalArticle

McDonald, Craig M ; Henricson, Erik K ; Abresch, R. Ted ; Han, Jay J. ; Escolar, Diana M. ; Florence, Julaine M. ; Duong, Tina ; Arrieta, Adrienne ; Clemens, Paula R. ; Hoffman, Eric P. ; Joyce, Nanette. / The Cooperative International Neuromuscular Research Group Duchenne Natural History Study-A Longitudinal Investigation In The Era Of Glucocorticoid Therapy : Design Of Protocol And The Methods Used. In: Muscle and Nerve. 2013 ; Vol. 48, No. 1. pp. 32-54.
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