MANCHESTER — Two ongoing cardiology trials in the UK are facing substantial recruitment challenges, researchers reported at the British Cardiovascular Society (BCS) Annual Conference 2025.

The BRITISH study has enrolled fewer than one-third of its targeted 2504 patients over 2 years. Meanwhile, CRAAFT-HF has recruited just 22 of its 1200-patient goal since launching in December 2024.

“We are running behind schedule,” said Andrew Flett, a consultant cardiologist at University Hospital Southampton NHS Trust and principal investigator for BRITISH. “We're running at about 50% of where we should be, and we're putting in every effort to try and improve that.”

CRAAFT-HF’s chief investigator Pier Lambiase, professor of cardiology at University College London, said that the trial’s eligibility c

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