Apixaban in Adults With Congenital Heart Disease & Atrial Arrhythmias:

Status Completed

Clinical Trial Summary

The purpose of this study is to evaluate the safety and efficacy of apixaban for the prevention of thromboembolism in adult patients with congenital heart disease (CHD) and non-valvular atrial arrhythmias (AA)

Clinical Trial Description

Adult patients with congenital heart disease (ACHD) represent a rapidly growing population due to the progress of surgical techniques and optimal medical management. Non-valvular atrial arrhythmias (AA) carries a significant burden for long-term morbidity and potentially mortality in ACHD patients. AA occur three times more frequently in ACHD compared to the general population. When complicating ACHD, AA convey a twofold increase in the risk for stroke, contributing to an up to 100-fold higher prevalence of stroke in the ACHD population compared to age-matched healthy controls. At present, the European Society of Cardiology (ESC) Guidelines suggest oral anticoagulation (OAC) in all adult patients with AA and intracardiac repair, cyanosis, Fontan palliation, or systemic right ventricle. In the remaining ACHD patients with AA, OAC is suggested if CHA2DS2-Vasc (congestive heart failure, hypertension, age ≥75 years, diabetes mellitus, stroke/transient ischemic attack, vascular disease, age 65 to 74 years, sex category) score is ≥1 (Class of recommendation IIa, level of evidence C). Non-vitamin K oral anticoagulants (NOACs) are increasingly preferred over vitamin-K antagonists (VKAs) in most clinical scenarios due to improved safety (with regard to intracranial and other major bleeding) and efficacy (prevention of embolic stroke or systemic embolism) along with the convenience they offer for patients and physicians (fixed dose, no food and drug interactions, no INR monitoring). On the other hand, scarce data is available on the use of NOAC in ACHD. In order to address this gap in evidence, we propose a prospective multicenter single arm, observational cohort trial, which will provide data on the efficacy and safety of apixaban used for the prevention of thromboembolism in ACHD patients with AA. ;

Study Design

Related Conditions & MeSH terms

Anticoagulants Causing Adverse Effects in Therapeutic Use
Arrhythmias, Cardiac
Atrial Arrhythmia
Congenital Heart Disease
Heart Defects, Congenital
Heart Diseases
Thromboembolism

Clinical Trial Details

NCT number	NCT03854149
Study type	Observational [Patient Registry]
Source	AHEPA University Hospital
Contact
Status	Completed
Phase
Start date	July 1, 2019
Completion date	May 30, 2023

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Apixaban in Adults With Congenital Heart Disease and Atrial Arrhythmias: the PROTECT-AR Study — PROTECT_AR

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms