Short Term Anti-aRrhythmic Therapy for Post-Operative AF in Cardiac Surgery Patients Pilot Trial
Recruiting now Phase 3 NCT05841056
Run by Population Health Research Institute · for 18 and older · All sexes
What this study is about
The START-POAF pilot study is a prospective, open-label two-arm, randomized controlled trial with blinded assessment of outcomes (PROBE). This pilot study will assess Atrial Fibrillation (AF) recurrence and burden in patients with new-onset AF following cardiac surgery.
Who can join (things the study team will check)
✅ You may be able to join if…
- Aged ≥18 years;
- Have undergone cardiac surgery including CABG, valve surgery, ascending aorta replacement, or combinations thereof within 14 days of randomization;
- Had new-onset POAF (or flutter), documented by 12-lead ECG or lasting ≥ 1 hour on telemetry. Patients can be in AF or sinus rhythm at the time of randomization;
- Expected to receive 3 g - 5 g of amiodarone loading dose post-surgery.
- Expected to be ready for hospital discharge within 48 h of randomization.
🚫 You may not be able to join if…
- Documented preoperative history of paroxysmal, persistent or permanent AF;
- Planned use of a class I or III anti-arrhythmic drug (other than study drug);
- Patients who have undergone heart transplant, complex congenital heart surgery, isolated ventricular assist device insertion, or AF ablation (surgical or catheter);
- Known allergy to ECG adhesives;
- Contraindication to amiodarone (i.e. hyperthyroidism, severe restrictive or obstructive lung disease, Long QT syndrome, PR > 240 ms, high-grade AV block).
- Individuals who are pregnant, breastfeeding, or of childbearing potential - female subjects, premenopausal who are not surgically sterile, or, if sexually active not practicing an effective method of birth control (e.g., prescription oral contraceptives, contraceptive injections, intrauterine device, double-barrier method, contraceptive patch, male partner sterilization) before entry and throughout the study; and, for those of childbearing potential, who have a positive pregnancy test at screening
Where this trial is running
- Hamilton General Hospital, Hamilton, Ontario, Canada
- St. Michael's Hospital, Toronto, Ontario, Canada
Who to contact
Ingrid Copland · 905-512-4940 · start-poaf@phri.ca
It's completely normal to call and ask questions before deciding anything. Mention the study ID: NCT05841056.
Verify everything on the official ClinicalTrials.gov record. Page updated July 2026.
Beacon is an information tool, not medical advice. Whether a trial is right for you is a decision for you, your doctor, and the study team. Trial details come from the official registry, ClinicalTrials.gov, and may change — always confirm with the study team. Beacon collects no data about you: this page has no cookies, no accounts, and no tracking.