Stopping beta blockers after heart bypass surgery

BEta Blocker dEprescription Following Coronary Artery Bypass Graft sURGERy: Feasibility and Safety Pilot (BEEFBURGER Trial)

Phase 4 Interventional University of Saskatchewan · NCT04788186

This study is testing whether stopping beta-blockers after heart bypass surgery is safe and beneficial for patients with good heart function.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment200 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity of Saskatchewan Academic / other
Locations1 site (Saskatoon, Saskatchewan)
Trial IDNCT04788186 on ClinicalTrials.gov

What this trial studies

This trial evaluates the effects of continuing versus stopping beta-blocker therapy in patients who have undergone isolated coronary artery bypass graft (CABG) surgery. It is a randomized, open-label study that aims to determine the feasibility of de-prescribing beta-blockers 6-8 weeks post-surgery in patients with preserved heart function. The study will assess various health outcomes, including mortality and cardiovascular events, over a 3-year follow-up period. Additionally, patient-reported quality of life and angina scores will be measured to evaluate the impact of the intervention.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older who have undergone isolated CABG and are on beta-blocker therapy with preserved left ventricular function.

Not a fit: Patients with a history of heart failure, atrial fibrillation, or other compelling indications for beta-blocker therapy may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could help clarify the long-term role of beta-blockers in patients after CABG, potentially leading to more personalized and effective treatment strategies.

How similar studies have performed: While the specific approach of beta-blocker de-prescription post-CABG is novel, similar studies have explored the management of beta-blockers in various cardiac conditions with varying results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age ≥ 18 years treated with index isolated CABG
* Able to consent to study
* On beta blocker therapy at the 6-8week visit
* LV systolic function (≥45% assessed within 6months of CABG date)

Exclusion Criteria:

* Prior heart failure with reduced ejection fraction (LVEF \<45%)
* Pre- or peri-operative atrial fibrillation or flutter
* Peri-CABG stroke
* Unable to follow-up

Where this trial is running

Saskatoon, Saskatchewan

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Coronary Artery DiseaseAcute Myocardial InfarctionCoronary Artery StenosisST Elevation Myocardial InfarctionNon-ST Elevation Myocardial InfarctionBeta Blocker drugscoronary artery bypass graftCABG
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.