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NCT03129490Active, not recruitingPhase 4

The Danish Non-vitamin K Antagonist Oral Anticoagulation Study in Patients With Atrial Fibrillation

The Danish Non-vitamin K Antagonist Oral Anticoagulation Study. A Cluster Randomized Study Comparing Safety and Efficacy of Edoxaban, Apixaban, Rivaroxaban and Dabigatran for Oral Anticoagulation in Atrial Fibrillation (DANNOAC-AF).

Source: ClinicalTrials.gov · Last updated 18 May 2025

Brief summary (registry, in English)

No randomized head-to-head comparison between the individual Non-vitamin K Antagonist Oral Anticoagulants (NOAC) exists. The DANNOAC-AF study is a nationwide cluster randomized cross-over study comparing efficacy and safety of the four NOACs, edoxaban, apixaban, rivaroxaban and dabigatran for oral anticoagulation in atrial fibrillation and atrial flutter across Danish hospitals and cardiology clinics.

Status (registry)
Active, not recruiting
Phase (registry)
Phase 4
Study type
Interventional
Enrollment
11000 (estimated)
First submitted
18 Apr 2017
Start date
1 Apr 2023
Primary completion date
30 Oct 2027
Lead sponsor
Herlev and Gentofte Hospital
NCT number
NCT03129490

What you commit to

  • Study type: Interventional · Phase 4
  • Planned participants: 11000
  • From 1 Apr 2023 to the primary completion date, 30 Oct 2027
  • 38 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

  • A prescription of a NOAC within 90 days prior to hospitalization or outpatient clinic visit for atrial fibrillation or atrial flutter.

Who the study is looking for

  • A diagnosis of atrial fibrillation or atrial flutter in outpatient clinic or as discharge diagnosis after hospitalization.
  • A claimed prescription of a NOAC from a Danish pharmacy within 14 days of discharge or outpatient clinic visit.

Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (38)

Sites in registry order. Pick your city on the disease page to sort them by distance.

SiteCityCountrySite status
Hjerteklinik Nordjylland
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AalborgDenmarkUnknown status
Aarhus University Hospital
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AarhusDenmarkUnknown status
Hjertelægerne i Ballerup
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Ballerup MunicipalityDenmarkUnknown status
Hjerteklinikken Amaliegade
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CopenhagenDenmarkUnknown status
Hjerteklinikken ved Speciallæge Anders Galløe
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CopenhagenDenmarkUnknown status
Rigshospitalet
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CopenhagenDenmarkUnknown status
Hjertelæge Christian Lange
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CopenhagenDenmarkUnknown status
Bispebjerg Hospital - Department of Geriatrics
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CopenhagenDenmarkUnknown status
Bispebjerg Hospital - Department of Neurology
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Copenhagen NVDenmarkUnknown status
Hjerteklinik Østerbro I/S
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Copenhagen ØDenmarkUnknown status
Amager Hospital
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Copenhagen SDenmarkUnknown status
Esbjerg Hospital
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EsbjergDenmarkUnknown status
Bispebjerg and Frederiksberg Hospital - Department of Cardiology
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FrederiksbergDenmarkUnknown status
Frederiksberg Hjerteklinik
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FrederiksbergDenmarkUnknown status
Nordsjællands Hospital - Frederiksund
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FrederikssundDenmarkUnknown status
Gentofte Hospital
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Gentofte MunicipalityDenmarkUnknown status
Glostrup Hospital - Department of Emergency Medicine
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Glostrup MunicipalityDenmarkUnknown status
Glostrup Hospital - Department of Medicine / Cardiology
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Glostrup MunicipalityDenmarkUnknown status
Glostrup Hospital - Department of Neurology
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Glostrup MunicipalityDenmarkUnknown status
Herlev-Gentofte Hospital - Department of Medicine
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HerlevDenmarkUnknown status
Nordsjællands Hospital Hillerød
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HillerødDenmarkUnknown status
Hjertelægerne i Hillerød
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HillerødDenmarkUnknown status
Hjørring Hospital
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HjørringDenmarkUnknown status
Holbæk Hospital
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HolbækDenmarkUnknown status
Speciallæge Michael Dilou Jacobsen
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HolteDenmarkUnknown status
Hvidovre Hospital
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HvidovreDenmarkUnknown status
Næstved Hospital
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NæstvedDenmarkUnknown status
Odense University Hospital - Department of Geriatrics
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OdenseDenmarkUnknown status
Odense University Hospital - Department of Cardiology
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OdenseDenmarkUnknown status
Odense University Hospital - Department of Neurology
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OdenseDenmarkUnknown status
Odense University Hospital - Department of Emergency Medicine
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OdenseDenmarkUnknown status
Bornholms Hospital
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RønneDenmarkUnknown status
Zealand University Hospital - Department of Neurology
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RoskildeDenmarkUnknown status
Zealand University Hospital, Roskilde, Department of Cardiology
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RoskildeDenmarkUnknown status
Slagelse Hospital
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SlagelseDenmarkUnknown status
Odense University Hospital Svendborg
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SvendborgDenmarkUnknown status
Klinik Hjertesund
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TaastrupDenmarkUnknown status
Vejle Hospital
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VejleDenmarkUnknown status

This page is information, not medical advice. Discuss any trial with your doctor.