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Asthma: Phenotyping Exacerbations 2 — APEX 2  

ASTHMA Clinical Trial

Official title:
Phenotyping Asthma Exacerbations: A Longitudinal Cohort Study 2

Clinical Trial Summary

The main outcomes of this study are to establish a cohort of well-phenotyped asthma patients with a recent history of an exacerbation. We aim to describe exacerbation profiles (phenotypes) of the cohort in terms of inflammatory/biomarker profile and bacterial/viral infection status and to compare these with exacerbation events in the sister APEX cohort.

Clinical Trial Description

A single centre, observational, longitudinal cohort study. The study will consist of one group of approximately 100 patients with clinician diagnosed asthma, who have had at least one exacerbation in the past 5 years before informed consent. They will be identified from secondary care, primary care and the Nottingham Respiratory Research Database (NRRD). After the Baseline visit, each subject will be followed for the duration of their participation in the study. Participants will be asked to contact the research team if they perceive that their asthma symptoms are worsening to the extent that they would usually seek help from a healthcare professional. They will then be invited to attend the Assessment Visit and potential Exacerbation Visit. Participants who complete this visit will then continue in the study, as we are interested in comparing subsequent events in the same individuals, to establish exacerbation stability and consistency. All participants, whether they have attended an Assessment visit or not, will be invited to attend for an Annual visit. The research team will also contact participants at 3 monthly intervals, with their permission, to discuss the study and provide updates. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04293445
Study type Observational
Source University of Nottingham
Contact Tim Professor Harrison, MBBS, BSc, FRCP, MD, MSc
Phone 0115 823 1714
Email tim.harrison@nottingham.ac.uk
Status Recruiting
Phase
Start date November 22, 2019
Completion date July 2022
View Details
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