Does giving advice on avoiding allergies and triggers improve asthma control? A research trial
| ISRCTN | ISRCTN45684820 |
|---|---|
| DOI | https://doi.org/10.1186/ISRCTN45684820 |
| Protocol serial number | 04/016 |
| Sponsor | St George's Hospital Medical School (UK) |
| Funder | Asthma UK (UK) (ref: 04/016) |
- Submission date
- 13/02/2008
- Registration date
- 26/02/2008
- Last edited
- 21/06/2010
- Recruitment status
- No longer recruiting
- Overall study status
- Completed
- Condition category
- Respiratory
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data
Plain English summary of protocol
Not provided at time of registration
Contact information
Prof Chris Griffiths
Scientific
Scientific
Centre for Health Sciences
Barts and the London Medical School
2 Newark st
London
E1 4NS
United Kingdom
Study information
| Primary study design | Interventional |
|---|---|
| Study design | Randomised controlled trial |
| Secondary study design | Randomised controlled trial |
| Scientific title | Does structured advice on Allergy and Allergen Avoidance given by practice nurses improve control of asthma in primary care? A single blind randomised controlled trial |
| Study acronym | AAA |
| Study objectives | The control of asthma can be improved by a structured allergy assessment followed by individualised avoidance advice, given by practice nurses in primary care. |
| Ethics approval(s) | Ethics approval received from Bristol South NHS Ethics Committee on the 15th November 2004. |
| Health condition(s) or problem(s) studied | Asthma |
| Intervention | Control patients: Usual care asthma reviews (UC) consisted of assessment of symptoms, inhaler technique, and medication usage, and provision of self-management action plans. Intervention patients: Structured allergen and trigger avoidance advice reviews (AAA) comprised the elements of a usual review as above, supplemented by a structured asthma and allergy assessment consisting of: 1. Skin prick testing 2. Completion of the Structured Allergy Questionnaire and Asthma Trigger Inventory 3. Avoidance advice for identified triggers Duration of these was about 30 - 45 minutes. There was no further contact with the nurse until follow up 4 months later. |
| Intervention type | Other |
| Primary outcome measure(s) |
Lung function/symptoms, assessed at 4 months. |
| Key secondary outcome measure(s) |
Self efficacy, assessed at 4 months. |
| Completion date | 01/01/2006 |
Eligibility
| Participant type(s) | Patient |
|---|---|
| Age group | Adult |
| Sex | All |
| Target sample size at registration | 200 |
| Key inclusion criteria | 1. Diagnosis of asthma, confirmed by 20% peak expiratory flow [PEF] diurnal variation in medical records or 15% reversibility on spirometry (British Thoracic Society [BTS]/Scottish Intercollegiate Guidelines Network [SIGN] 2003) 2. Prescribed asthma medication within the past year 3. Aged between 16 to 55 years, either sex 4. Not had skin prick testing in the past 10 years |
| Key exclusion criteria | Unable to give informed consent. |
| Date of first enrolment | 01/01/2005 |
| Date of final enrolment | 01/01/2006 |
Locations
Countries of recruitment
- United Kingdom
- England
Study participating centre
Centre for Health Sciences
London
E1 4NS
United Kingdom
E1 4NS
United Kingdom
Results and Publications
| Individual participant data (IPD) Intention to share | No |
|---|---|
| IPD sharing plan summary | |
| IPD sharing plan |
Study outputs
| Output type | Details | Date created | Date added | Peer reviewed? | Patient-facing? |
|---|---|---|---|---|---|
| Results article | results | 01/01/2010 | Yes | No |