Testing Amiodarone Hydrochloride for atrial fibrillation new onset
Official title: Short Term Anti-aRrhythmic Therapy for Post-Operative AF in Cardiac Surgery Patients Pilot Trial
Short Term Anti-aRrhythmic Therapy for Post-Operative AF in Cardiac Surgery Patients (START-POAF) Pilot Trial
Interventions
Amiodarone Hydrochloride 200 MG
200 mg daily for 4 weeks
Canadian Sites (2)
Hamilton General Hospital
Hamilton, Ontario, Canada
St. Michael's Hospital
Toronto, Ontario, Canada
Eligibility Criteria
See who this study is looking for11 criteria
The trial’s own eligibility text, word for word from the registry. Only the trial site can say who takes part.
Inclusion
- +Aged ≥18 years;
- +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 randomizationRandomisedWhich group you go into is decided by chance, not by you or your doctor.Read more →;
- +Expected to be ready for hospital discharge within 48 h of randomization.
- +Have undergone cardiac surgery including CABG, valve surgery, surgery on the aorta, or combinations thereof within 14 days of randomization;
- +Expected to receive 3 g - 5 g of amiodarone loading dose post-surgery.
Exclusion
- −Known allergy to ECG adhesives;
- −Documented preoperative history of paroxysmal, persistent or permanent AF;
- −Planned use of a class I or III anti-arrhythmic drug (other than study drug);
- −Contraindication to amiodarone (i.e. hyperthyroidism, severe restrictive (Total Lung Capacity (TLC) \<50% predicted) or obstructive (Forced Expiry Volume (FEV1) \<49% predicted) 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 controlControl groupThe group a new treatment is measured against.Read more → (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 screeningScreeningThe checks done before joining, to see whether a study fits.Read more →
- −Patients who have undergone heart transplant, complex congenital heart surgery, isolated ventricular assist device insertion, or AF ablation (surgical or catheter);
In plain language
Assembled directly from this trial’s registry record. Every sentence traces to a field below — nothing here is generated or interpreted.
What this study is
This study is testing a treatment for a condition.
Phase 3Phase 3A large study comparing a treatment against the current standard.Read more → — a large study comparing this against the current standard, usually across many hospitals.
What is being given or done in this study: Amiodarone Hydrochloride 200 MG.
From the trial registry
Built from these fields:
- designModule.designInfo.primaryPurpose
- designModule.phases
- armsInterventionsModule.interventions[].name
How the study is run
Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.
This study is open-labelOpen-labelEveryone knows which treatment is being given — nothing is hidden.Read more →: everyone knows which treatment is being given, including you and the study team.
From the trial registry
Built from these fields:
- designModule.designInfo.allocation
- designModule.designInfo.maskingInfo.masking
Is there a placebo?
This study does not list a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → group.
One group receives an existing treatment, so the two can be compared.
One group receives no study treatment at all, and is followed for comparison.
There are 2 groups in this study.
From the trial registry
Built from this field:
- armsInterventionsModule.armGroups[].type
Who the study is looking for
The study lists a minimum age of 18 years, with no upper limit given.
The study is open to people of any sex.
The study does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.
These are the criteria the study lists. Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part.
From the trial registry
Built from these fields:
- eligibilityModule.minimumAge
- eligibilityModule.sex
- eligibilityModule.healthyVolunteers
How big and how long
The study aims to enrol about 400 people.
The study is currently expected to finish around March 2031.
The main measurement is taken over: 2 years.
From the trial registry
Built from these fields:
- designModule.enrollmentInfo.count
- statusModule.completionDateStruct.date
- outcomesModule.primaryOutcomes[].timeFrame
What the study measures
3 patients per center per month — measured over 2 years.
Less than 10% cross-overCrossoverEach participant receives both treatments in turn, in a set order.Read more → rate — measured over 28 days.
Intervention group taking at least 80% of their amiodarone 4 week maintenance therapy — measured over 28 days.
90% follow-upFollow-upContinued check-ins after the treatment part is finished.Read more → at 30 days — measured over At 30 days post randomizationRandomisedWhich group you go into is decided by chance, not by you or your doctor.Read more → date.
The study lists 1 further main measurements.
From the trial registry
Built from these fields:
- outcomesModule.primaryOutcomes[].measure
- outcomesModule.primaryOutcomes[].timeFrame
Source: NCT05841056 on ClinicalTrials.gov. The full registry text is further down this page — this summary never replaces it.
Not medical advice. What do these terms mean?
What is being tested — in plain terms
About Amiodarone Hydrochloride 200 MGDrug
200 mg daily for 4 weeks
From the trial registry — its own words, unedited.
What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.
Read the full explanation → · in clinical review
Common questions
Answered from this trial’s registry record. Where the record doesn’t say, these answers say so rather than filling the gap.
Am I eligible for this trial?
Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part. Concord cannot make that determination, and neither can any tool that has not examined you.
What the study lists: a minimum age of 18 years.
The full inclusionInclusion criteriaThe things you must have or be for a study to consider you.Read more → and exclusion criteriaExclusion criteriaThe things that would prevent someone from taking part.Read more → are published on this page, exactly as the study team wrote them.
The useful next step is to bring this trial to your doctor. Answering a few questions first gives them something concrete to review.
From the trial registry
- eligibilityModule.minimumAge
- eligibilityModule.eligibilityCriteria
Is there a placebo?
This study does not list a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → group.
One group receives an existing treatment so the two can be compared.
One group receives no study treatment and is followed for comparison.
From the trial registry
- armsInterventionsModule.armGroups[].type
Would I know which treatment I am getting?
This study is open-labelOpen-labelEveryone knows which treatment is being given — nothing is hidden.Read more →: everyone knows which treatment is being given, including you and the study team.
Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.
From the trial registry
- designModule.designInfo.maskingInfo.masking
- designModule.designInfo.allocation
Who can join?
The study lists a minimum age of 18 years, with no upper limit given.
It is open to people of any sex.
It does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.
Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can confirm whether a particular person can take part.
From the trial registry
- eligibilityModule.minimumAge
- eligibilityModule.sex
- eligibilityModule.healthyVolunteers
How long would this take?
The study's main measurement is taken over: 2 years.
The study as a whole is currently expected to finish around 2031-03-31.
How long any one person takes part can differ from the study length. The study team can tell you what the schedule looks like in practice.
From the trial registry
- outcomesModule.primaryOutcomes[].timeFrame
- statusModule.completionDateStruct.date
How many people are taking part?
The study aims to enrol about 400 people.
From the trial registry
- designModule.enrollmentInfo.count
Where is this happening?
This study lists 2 locations, including: Hamilton, Ontario, Canada; Toronto, Ontario, Canada.
Sites can open and close during a study, so confirm with the team before travelling.
From the trial registry
- trial_locations
About This Trial
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.
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See if this trial could fit youThis page is for informational purposes only and does not constitute medical advice. Clinical trial eligibility can only be determined by the trial site after proper screening. Trial information is sourced from ClinicalTrials.gov and may not reflect the most current status. Always consult your healthcare provider before making decisions about clinical trial participation.