Prevalence of narcolepsy in two European countries - France and Germany

Study type

• Study topic:
  Disease /health condition
• Study type:
  Non-interventional study
• Scope of the study:
  Disease epidemiology
• Data collection methods:
  Secondary use of data

Non-interventional study

• Non-interventional study design:
  Other
• Non-interventional study design, other:
  Descriptive study

Study drug and medical condition

• Medical condition to be studied:
  Narcolepsy

Population studied

• Short description of the study population:
  The study population included patients with narcolepsy registered in the general practices and paediatric practices in Germany and France between 2011 and 2019.
• Age groups:
  Infants and toddlers (28 days – 23 months)

  Children (2 to < 12 years)

  Adolescents (12 to < 18 years)

  Adults (18 to < 46 years)

  Adults (46 to < 65 years)

  Adults (65 to < 75 years)

  Adults (75 to < 85 years)

  Adults (85 years and over)
• Special population of interest:
  Other
• Special population of interest, other:
  Patients with narcolepsy
• Estimated number of subjects:
  5299939

Study design details

• Main study objective:
  The main objective of this study was to provide the yearly prevalence of narcolepsy in France and Germany primary care settings, between 2011 and 2019. The yearly prevalence was stratified by sex and age group.
• Outcomes:
  Narcolepsy
• Data analysis plan:
  The numerator for the yearly prevalence consisted of patients that were diagnosed with narcolepsy during the year or that already had a history of narcolepsy at the start of the year. The denominator consisted of patients that were observable for at least one day during the respective year. The observability for a patient started on the date of the first visit to the practice and ended on the date of the last visit to the practice. The prevalence was expressed as number of narcolepsy cases per 10,000 persons. Yearly prevalence was stratified by sex and age group.

Documents

Study results

Final study report Prevalence of Narcolepsy in Europe_SK_KH