Status:
COMPLETED
REALL: A Retrospective Observational Study to Compare the Effectiveness and Cost-Effectiveness Between Different Step-3 Asthma Treatment Strategies
Lead Sponsor:
University of Aberdeen
Conditions:
Asthma
Eligibility:
All Genders
Brief Summary
This is a retrospective observational study utilising anonymised individual patient clinical and prescribing information routinely collected by UK General Practitioners (GPs). This information will be...
Eligibility Criteria
Inclusion
- Patients with a physician diagnosis of asthma who have stepped-up to any option of step-3 asthma treatment (trial therapy), and;
- Patients with the trial therapy who have data in their records for at least one year for the baseline period and at least one year for the outcome period.
Exclusion
- Patients who were not prescribed with any option of step-3 treatment (the trial therapy) during the study period.
- Patients treated with the trial therapy, but do not have data in their records for at least one year for the baseline period and at least one year for the outcome period.
- Patients treated with long-acting anticholinergic drugs, either alone or in combination with other therapy.
- Patients with a physician diagnosis of COPD with or without asthma.
- Patients who have resolved from asthma; i.e. patients who were previously diagnosed as having asthma, have now been undiagnosed.
Key Trial Info
Start Date :
September 1 2007
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
December 1 2015
Estimated Enrollment :
50000 Patients enrolled
Trial Details
Trial ID
NCT00628563
Start Date
September 1 2007
End Date
December 1 2015
Last Update
February 29 2016
Active Locations (1)
Enter a location and click search to find clinical trials sorted by distance.
1
Medical Practices
UK, United Kingdom