NCT05294445Active, not recruiting
From the Emergency Department Directly to Ablation of Atrial Fibrillation Study
From the Emergency Department Directly to Ablation of Atrial Fibrillation - Study - The "EMERGE-Cryo-Study"
Source: ClinicalTrials.gov · Last updated 20 Oct 2026
Brief summary (registry, in English)
The study is a prospective, two-arm, randomized, open-label, blinded endpoint, multi-center study to investigate the impact of first line ablation in patients presenting at the emergency room with recent-onset paroxysmal or persistent atrial fibrillation.
- Status (registry)
- Active, not recruiting
- Study type
- Interventional
- Enrollment
- 350 (actual)
- First submitted
- 4 Mar 2022
- Start date
- Dec 2021
- Primary completion date
- Nov 2026
- Lead sponsor
- Asklepios proresearch
- Diseases
- Atrial fibrillation
- NCT number
- NCT05294445
What you commit to
- Study type: Interventional
- Participants enrolled: 350
- From Dec 2021 to the primary completion date, Nov 2026
- 13 sites in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- Severe mitral stenosis or regurgitation, prior mitral valve reconstruction or replacement
- Any previous left atrial ablation
- Ongoing continuous AAD therapy with Amiodarone at baseline
Other illness
- History of failed continuous AAD therapy with \> 1 agent. Exceptions are Beta blocker, Verapamil or "pill in the pocket"-therapy.
- Any condition or disease, which is contraindication for AF ablation, up to the assessment of the investigator
- Any condition or disease, which is a contraindication for antiarrhythmic drug treatment, up to the assessment of the investigator
- Known intra-cardiac thrombus formation under continuous oral anticoagulation (defined as intake \>4 weeks)
- Active systemic infection
Other
- Pers. AF \> 6 Mon (one episode)
- LA-Diameter \> 60mm
- Any contraindication for oral anticoagulation
- Any untreated or uncontrolled hyperthyroidism or other reversible causes for AF like alcoholism
- Pregnant or breastfeeding woman or woman of childbearing potential not on adequate birth control
- Co-Existence of non PV-dependent atrial Tachycardia
- Indication for implantation of ICD or pacemaker
Who the study is looking for
- Documented, paroxysmal or persistent AF (longest AF episode \< 6-month duration). Any ECG documentation of AF (12 lead ECG, Holter ECG or mobile ECG monitoring) needs to be presented.
- Recent-onset AF (≤ 1 year prior to enrolment)
- Presenting at the emergency department or outpatient clinic within the last 2 weeks because of AF, including patients with spontaneous conversion in sinus rhythm (with prior AF documentation)
- Age ≥ 18 years
- Subject is able and willing to give informed consent
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (13)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Kerckhoff-Klinik GmbH Coordinator of this site? Confirm its status | Bad Nauheim | Germany | Unknown status |
| Deutsches Herzzentrum der Charité Coordinator of this site? Confirm its status | Berlin | Germany | Unknown status |
| Herzzentrum Uniklinik Köln Coordinator of this site? Confirm its status | Cologne | Germany | Unknown status |
| Evangelisches Krankenhaus Düsseldorf Coordinator of this site? Confirm its status | Düsseldorf | Germany | Unknown status |
| Cardioangiologisches Zentrum Bethanien (CCB) am Markuskrankenhaus Coordinator of this site? Confirm its status | Frankfurt | Germany | Unknown status |
| Universitätsklinikum Giessen Coordinator of this site? Confirm its status | Giessen | Germany | Unknown status |
| Asklepios Klinik St. Georg Coordinator of this site? Confirm its status | Hamburg | Germany | Unknown status |
| Universitäres Herz- und Gefäßzentrum Coordinator of this site? Confirm its status | Hamburg | Germany | Unknown status |
| AK Altona Coordinator of this site? Confirm its status | Hamburg | Germany | Unknown status |
| AK Nord Coordinator of this site? Confirm its status | Hamburg-Nord | Germany | Unknown status |
| Asklepios Klinik Harburg Coordinator of this site? Confirm its status | Harburg | Germany | Unknown status |
| Universitätsklinikum Münster Coordinator of this site? Confirm its status | Münster | Germany | Unknown status |
| St. Josefs-Hospital Wiesbaden GmbH Coordinator of this site? Confirm its status | Wiesbaden | Germany | Unknown status |
Related publications
- From the Emergency Department, Directly to Ablation of Atrial Fibrillation: Rationale and Design of the EMERGE Cryo Study.CJC Open · 2026 · PMID 41766700
This page is information, not medical advice. Discuss any trial with your doctor.