Key Takeaway
This cohort is a strong natural-history reference because it links ventilatory support, wheelchair dependency, and cardiomyopathy patterns to real published follow-up data.
Trial and Study Record
Norwegian LGMDR9 Cohort Study
Published observational cohort describing prevalence, genotype distribution, ventilatory support, and cardiomyopathy patterns in a large Norwegian FKRP population.
Observational studyNatural HistoryRespiratoryFamilies
Why this record matters
- Useful for trial readiness and care planning because it shows where respiratory and cardiac burden can emerge over time.
- Complements the registry and interventional trial pages by giving a modern observational benchmark for disease course.
- Supports careful public messaging that ventilatory support can precede wheelchair dependency in some patients.
Eligibility and participation notes
- Included living Norwegian subjects with genetically confirmed LGMDR9 for the epidemiologic component.
- Combined patient questionnaires, chart review, and direct clinical examination in a subset of participants.
- Focused on natural-history description rather than treatment exposure.
Limits and cautions
- National founder effects limit how far prevalence estimates can be generalized outside Norway.
- As an observational publication, it cannot determine treatment benefit.
- Published cohort pages need to be read alongside newer registry or trial updates when current status matters.
Primary Sources
Direct links for verification
Primary source used for the structured study summary on this page.
Related Content
Related routes inside the site
Paper Summary
Epidemiology and natural history in 101 subjects with FKRP-related limb-girdle muscular dystrophy R9. The Norwegian LGMDR9 cohort study (2020)
Large modern natural-history cohort describing prevalence, genotype distribution, ventilatory support patterns, wheelchair use, and sex-associated differences in Norwegian LGMDR9.
Guide
Clinical Features
FKRP-related disease can involve skeletal muscle, motor development, cardiac function, respiratory function, and in some severe congenital presentations, broader neurologic or structural findings. The pattern is variable, which is why the site treats phenotype as a spectrum.
Guide
Monitoring and Care
FKRP-related disease is usually managed through a multidisciplinary model. Monitoring is not only about neurology. Cardiology, pulmonology, sleep evaluation, rehabilitation, genetics, and practical family coordination all matter to safe long-term care.