The Role of HNHF to Improve Clinical Outcomes Following Severe AECOPD

Status Completed

Clinical Trial Summary

Chronic Obstructive Pulmonary Disease (COPD) is a common lung disease, affecting 1.2 million people in the United Kingdom (UK). COPD patients suffer with episodes of worsening breathing symptoms called acute exacerbations (AECOPD). Exacerbations occur more often as the disease progresses and are a leading cause of emergency hospitalisation. Patients recovering from exacerbations are at high risk of deteriorating, with one quarter readmitted to hospital within thirty days. COPD thus imposes immense burdens on the National Health Service and patients. This research will investigate the effects of using humidified nasal high-flow (HNHF) during recovery from severe COPD exacerbations. HNHF delivers warmed, humidified air under flows of up to 60 litres per minute through a nasal interface. This has been shown to improve clinical outcomes, including exacerbation frequency, hospitalisations, breathlessness and quality of life amongst COPD patients with respiratory failure. It is thought to achieve this by improving secretion clearance and providing positive airways pressure which supports the breathing system. Patients admitted to St Thomas' Hospital, London with COPD exacerbations will be recruited. Prior to discharge, participants will be randomised to receive either usual care alone or usual care plus a HNHF device, which they will be trained to use for a regular period daily. Usual care includes inhalers, steroids and may include antibiotics. Participants will be followed up for 30-days after hospital discharge using weekly assessments, daily symptom diaries and wrist-worn watch-like devices that detect physical activity. This will enable evaluation of the clinical effects of HNHF on re-exacerbations, readmissions, breathlessness, physical activity and quality of life. Device usage will also be quantified. Participants who receive devices will be interviewed to explore their experiences. After the 30-day home follow-up period, a sub-group of participants will undergo detailed breathing tests during and after exercise to explore the effects of HNHF on the respiratory system.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03899558
Study type	Interventional
Source	Guy's and St Thomas' NHS Foundation Trust
Contact
Status	Completed
Phase	N/A
Start date	June 17, 2019
Completion date	March 24, 2021

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