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Exploring the effects of identifying abnormal air flow between lung areas in patients with COPD, using hyperpolarised xenon MRI

HypErpolarised Xenon PuLmonary MRI in the evaluation for endobronChial lung volume reductIon Therapy (EXPLICIT)

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN98674361
Enrollment
40
Registered
2025-08-26
Start date
2025-08-26
Completion date
Unknown
Last updated
2025-09-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Ventilation in endobronchial valve (EBV) insertion for lung volume reduction therapy (LVRT) Respiratory

Interventions

This study will be conducted over 24 months, comprising two patient cohorts - Cohort A, COPD patients selected and planned for endobronchial valve (EBV) treatment and Cohort B, COPD patients deemed in

Sponsors

Oxford University Hospitals NHS Trust
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Aged 18 years or over 2. Willing and able to give informed consent 3. Worked up for EBV therapy in the local COPD clinic Cohort A – No evidence of CV and eligible for EBV treatment MDT and patient decision for EBV therapy Cohort B – Ineligible for EBV treatment following current standard assessments MDT decision not for EBV therapy

Exclusion criteria

Exclusion criteria: 1. Pregnant, lactating or planning pregnancy during the study 2. Inability to lie flat for imaging 3. Contraindications to MRI examinations as locally determined 4. Any other reason, as determined by the study investigators, that renders the participant ineligible for the study

Design outcomes

Primary

MeasureTime frame
Differences in the pattern of ventilation measured using on hyperpolarised xenon-129 MRI (HPX-MRI) in those with confirmed collateral ventilation (CV) and those treated with EBV at baseline and follow-up (6 months)

Secondary

MeasureTime frame
Quantitative and/or qualitative differences of HPX-MRI findings at baseline and follow-up (6 months)

Countries

England, United Kingdom

Contacts

Public ContactAvianna Laws
Avianna.Laws@ouh.nhs.uk+44 (0)1865 (2)26116

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026