Healthy Clinical Trial - Exhaled Breath Metabolomic Biomarkers in

Status Completed

Clinical Trial Summary

An acute study carried out across three acute admissions units within Leicestershire. The study is aimed at discovery and validation of volatile organic compounds (VOCs) in exhaled breath. Participants will be recruited and tested within 24 hours of admission and once recovered, up to 6 months following discharge.

Clinical Trial Description

A prospective real world observational study carried out across three acute admissions units. Participants with self-reported acute breathlessness, with a confirmed primary diagnosis of either acute heart failure, community acquired pneumonia and acute exacerbation of asthma or COPD will be recruited within 24 hours of admission. These will be matched to healthy volunteers from a similar environment. Additionally, school age children admitted with severe asthma will be evaluated and breath samples will be collected. All participants will undergo breath sampling on admission and upon recovery, up to six months following discharge. A range of online technologies including: proton-transfer-reaction mass spectrometry (PTR-MS), gas chromatography ion mobility spectrometry (GC-IMS), atmospheric pressure chemical ionisation- mass spectrometry (APCI-MS) and offline technologies including gas chromatography mass spectroscopy (GC-MS) and comprehensive two-dimensional gas chromatography-mass spectrometry (GCxGC-MS) will be utilised for VOC discovery and replication. For offline technologies a standardised CE marked breath sampling device (ReCIVA®) will be used. All recruited participants will be characterised using existing blood biomarkers including C - reactive protein (CRP), brain derived natriuretic peptide (BNP), Troponin-I and blood eosinophil levels and further evaluated using a range of standardised questionnaires, lung function testing including hand held forced oscillation technique (FOT) and fractional exhaled nitric oxide (FeNO), sputum cell counts and echocardiography for heart failure and COPD patients. Additional samples will be collected for bio-banking including urine, serum, plasma and sputum supernatants and plugs. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03672994
Study type	Observational
Source	University of Leicester
Contact
Status	Completed
Phase
Start date	February 2, 2017
Completion date	April 30, 2019

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Exhaled Breath Metabolomic Biomarkers in the Acutely Breathless Patient — EMBER

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms