← Eichor
Study identifier: NCT06556667 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

MAX - SHOCK Clinical Trial

Condition: Cardioversion · Atrial Fibrillation  ·  Sponsor: Ottawa Heart Institute Research Corporation

PhaseNA
Planned participants376
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

Can Electrical Cardioversion (ECV) for AF be improved. It is the preferred method to restore sinus rhythm in patients with AF in whom a rhythm-control strategy is pursued. Hypothesis: ECV success rates will be greater with a biphasic defibrillator with maximum energy of 360J (® Physio-Control) compared to a biphasic defibrillator with maximum energy of 200J (® Zoll)

This description comes directly from the study's public registry record.

Talk to the study team

Tammy Knight  ·  613-696-7000  ·  tknight@ottawaheart.ca

David Birnie  ·  613-696-7000  ·  dbirnie@ottawaheart.ca

Always discuss trial participation with your own doctor first.

Locations (1)

University of Ottawa Heart InstituteOttawa, Ontario, CanadaRecruiting

Follow this study

Get one email when the public record changes — results posted, or the study's status changes. Nothing else, ever.

We email about this public record only. Unsubscribe anytime with one click. Never medical advice.

Is this your study? This page was generated automatically from the public registry record. Sponsors can claim it — free — to add branding and verified contact routing. Claim this page →

This page is independently generated by Eichor from the public ClinicalTrials.gov record and re-synced daily. It is not the sponsor's official website unless claimed. Nothing here is medical advice; eligibility is always determined by the study team — talk to your own doctor first.

Source record: clinicaltrials.gov/study/NCT06556667