Status:

COMPLETED

18F-Fluoride Assessment of Aortic Bioprosthesis Durability and Outcome

Lead Sponsor:

University of Edinburgh

Collaborating Sponsors:

NHS Lothian

Cambridge University Hospitals NHS Foundation Trust

Conditions:

Heart; Complications, Valve, Prosthesis

Eligibility:

All Genders

40+ years

Phase:

NA

Brief Summary

This study will evaluate the two main types of replacement tissue heart valve used in current practice, comparing outcomes from surgical aortic valve replacement (AVR) with that of the more recently i...

Detailed Description

Aortic stenosis is the commonest form of valve disease in the western world and the leading indication for valve surgery. Bioprosthetic valves are known to degenerate via a process that is predominant...

Eligibility Criteria

Inclusion

  • Cohort 1
  • able to provide informed consent
  • aged over 40 years
  • patients with a bioprosthetic aortic valve who are due to undergo a redo-surgical aortic valve replacement
  • Cohort 2
  • able to provide informed consent
  • aged over 40 years
  • patients at 1 month (n=10), 2 years (n=20), 5 years (n=20) and 10 years (n=20) following surgical bioprosthetic aortic valve replacement
  • Cohort 3
  • able to provide informed consent
  • aged over 40 years
  • patients at 1 month (n=10), 2 years (n=20) and 5 years (n=20) following transcatheter aortic valve implantation (TAVI) with the Edward's SAPIEN and the COREVALVE.

Exclusion

  • Inability to give informed consent
  • Pregnancy
  • Breastfeeding
  • Claustrophobia
  • Allergy to iodinated contrast
  • Liver failure
  • Chronic kidney disease (with estimated glomerular filtration rate \<30 mL/min)
  • Metastatic malignancy
  • Paget's disease

Key Trial Info

Start Date :

January 1 2015

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

October 30 2020

Estimated Enrollment :

105 Patients enrolled

Trial Details

Trial ID

NCT02304276

Start Date

January 1 2015

End Date

October 30 2020

Last Update

May 21 2024

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