Status:

RECRUITING

Non-invasive Diagnosis of Coronary Microvascular Disease: Pilot Study

Lead Sponsor:

University of Leicester

Conditions:

Microvascular Angina

Eligibility:

All Genders

18+ years

Brief Summary

* 40% of patients presenting with stable chest pain (angina) have no significant blockage of the main heart arteries. Identifying why these patients have symptoms will mean better treatment options ca...

Detailed Description

* Coronary artery disease (CAD) is the leading cause of morbidity and mortality in the United Kingdom. Approximately 40% of patients presenting with angina, however, have no evidence of significant ob...

Eligibility Criteria

Inclusion

  • Current participant of the 'CMR versus CT-FFR in CAD' study
  • Continue to meet the inclusion criteria for the main study:
  • Patients aged ≥18 years
  • Referred for invasive coronary angiography for investigation of chest pain
  • Willing and able to give informed consent
  • Willing and able (in the Investigators opinion) to comply with all study requirements.
  • Willing to allow his or her General Practitioner and consultant, if appropriate, to be notified of participation in the study.
  • Able to understand written English
  • Able to perform exercise in the MRI scanner
  • Study arm:
  • No evidence of obstructive or non-obstructive CAD on research CTCA
  • Myocardial perfusion defect detected on adenosine stress CMR indicative of CMD
  • Control arm:
  • • Evidence of multivessel CAD on research CTCA

Exclusion

  • Meet the exclusion criteria for the main study:
  • Recent acute coronary syndrome (\< 6 months)
  • Severe claustrophobia
  • Absolute contraindications to CMR - those with MR conditional or safe devices will be included
  • Second-/third-degree atrioventricular block
  • Severe chronic obstructive pulmonary disease
  • Moderate-severe asthma
  • Estimated glomerular filtration rate \<30 ml/min/1.73m2
  • Women who are pregnant, breast-feeding or of child-bearing potential (premenopausal women)
  • Contraindication to iodinated contrast
  • Participants who have participated in a research study involving an investigational product in the past 12 weeks
  • Patients unable to understand written English

Key Trial Info

Start Date :

November 1 2023

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

December 1 2025

Estimated Enrollment :

20 Patients enrolled

Trial Details

Trial ID

NCT06070662

Start Date

November 1 2023

End Date

December 1 2025

Last Update

December 5 2024

Active Locations (1)

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1

Glenfield Hospital, University Hospitals of Leicester

Leicester, Leicestershire, United Kingdom