Status:

UNKNOWN

Cardiac Resynchronisation Therapy In Patients With Heart Failure: Mechanistic Insights From Cardiac MRI And Electroanatomical Mapping

Lead Sponsor:

Guy's and St Thomas' NHS Foundation Trust

Collaborating Sponsors:

King's College London

Conditions:

Heart Failure

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

Cardiac Resynchronisation Therapy (CRT) is a specialist pacemaker procedure that aims to improve the efficiency of the heartbeat. This treatment is used routinely in patients with heart failure and a ...

Eligibility Criteria

Inclusion

  • Participant is willing and able to give informed consent for participation in the study.
  • Male or Female, aged 18 years or above.
  • Either 1) has CRT system in situ or 2) has a planned CRT system implant or 3) has a planned upgrade to CRT from a standard pacemaker
  • NYHA grade II-IV heart failure
  • LVEF\<35%
  • Intrinsic QRS duration \>120ms
  • On optimum medical therapy for heart failure
  • Female participants of child bearing potential must be willing to ensure that they or their partner use effective contraception during the study and for 3 months thereafter
  • Able (in the Investigators opinion) and willing 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.

Exclusion

  • Female participants who is pregnant, lactating or planning pregnancy during the course of the study.
  • Scheduled elective surgery or other procedures requiring general anaesthesia during the study.
  • Participant who is terminally ill or is inappropriate for placebo medication
  • Any other significant disease or disorder which, in the opinion of the Investigator, may either put the participants at risk because of participation in the study, or may influence the result of the study, or the participant's ability to participate in the study.
  • Rate uncontrolled atrial fibrillation precluding a cMR
  • Significant peripheral vascular disease precluding an EP study
  • A contraindication to anticoagulation
  • A prosthetic aortic or tricuspid valve
  • Significant Aortic valve disease
  • Known LV thrombus
  • Insufficient capacity to consent to the study

Key Trial Info

Start Date :

September 1 2019

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

September 30 2021

Estimated Enrollment :

30 Patients enrolled

Trial Details

Trial ID

NCT04322877

Start Date

September 1 2019

End Date

September 30 2021

Last Update

March 30 2020

Active Locations (1)

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1

Guys and St Thomas' NHS Foundation Trust

London, United Kingdom, SE1 7EH