Characteristics of asthma patients at risk of failed Diskus use in primary care: a retrospective cohort study

Study type

• Study topic:
  Disease /health condition
• Study type:
  Non-interventional study
• Scope of the study:
  Assessment of risk minimisation measure implementation or effectiveness

  Disease epidemiology
• Data collection methods:
  Secondary use of data

Non-interventional study

• Non-interventional study design:
  Cross-sectional

Population studied

• Short description of the study population:
  Patients 16 years and older, who have a current diagnosis of asthma and have received two or more prescriptions for fixed-dose combination ICS/long-acting beta-agonist(LABA) therapy in the year before the review.
• Age groups:
  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:
  Asthma patients
• Estimated number of subjects:
  500

Study design details

• Main study objective:
  Describe characteristics of patients at risk of failed diskus use
• Outcomes:
  Characteristics, Risk assessment
• Data analysis plan:
  We evaluated patient subjective and objective usage of inhaler, patient demographic characteristics, smoking state and comorbidity and asthma outcome were obtain from the iHARP database.

Documents

Study publications

Westerik JA, Carter V, Chrystyn H, Burden A, Thompson SL, Ryan D, Gruffydd-Jone…