Study on Monitoring Anticoagulant Therapy with Rivaroxaban and Warfarin in Patients with Acute Coronary Syndrome and Atrial Fibrillation

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What is this study about?

This clinical trial is focused on studying the management of anticoagulant therapy in patients who have experienced an Acute Coronary Syndrome and have developed a new condition called Atrial Fibrillation. These are heart-related conditions where the blood flow to the heart is reduced, and the heart beats irregularly. The study will use two medications: Xarelto (rivaroxaban) and Coumadine (warfarin sodium), which are both used to prevent blood clots.

The purpose of the study is to determine if using an implantable device to monitor heart activity and guide anticoagulant treatment is safer in terms of reducing bleeding events compared to the standard approach. The study will involve the use of a small device placed inside the body that can send heart activity data to doctors remotely. This will help in deciding the best way to manage the anticoagulant treatment.

Participants in the study will be monitored over a period of two years. During this time, the occurrence of any bleeding events and other heart-related events will be recorded. The study aims to provide insights into whether this new method of monitoring and treatment can improve safety and outcomes for patients with these heart conditions.

1 enrollment

Eligibility is confirmed based on criteria such as age (18 or older), hospitalization for acute coronary syndrome, and presence of atrial fibrillation during hospitalization.

A CHA2DS2-VASc score is used to assess risk, requiring a score of 1 or more for men and 2 or more for women.

Ablation of atrial fibrillation must be completed before joining the study, either spontaneously or through treatment.

Coronary angioplasty with stenting is required during hospitalization.

2 treatment initiation

Participants receive anticoagulant therapy monitored by an implantable device with telecardiology.

The treatment includes Xarelto (rivaroxaban) 10 mg film-coated tablets and COUMADINE (warfarin sodium) 5 mg tablets, both taken orally.

The objective is to determine if this approach is safer in terms of bleeding events compared to standard treatment based on the CHA2DS2-VASc score.

3 monitoring and follow-up

Participants are monitored remotely using data from the implantable device.

The primary endpoint is the occurrence of a bleeding event during the 2-year follow-up, defined by a score of 2 or more on the BARC scale.

Secondary endpoints include the occurrence of events defined by the MACCE indicator and ischemic events such as cardiovascular death, stroke, systemic embolism, non-fatal infarction, and need for revascularization.

4 completion

The study is expected to conclude by February 2, 2026.

Participants will have completed a 2-year follow-up period to assess the safety and effectiveness of the treatment.

Who Can Join the Study?

Patients must be 18 years or older.
Must have been hospitalized for acute coronary syndrome. This is a condition where the blood supply to the heart is suddenly blocked.
Must have atrial fibrillation either when arriving at the hospital or at any time during the hospital stay. Atrial fibrillation is a condition where the heart beats irregularly and often too fast.
Must not have any known history of arrhythmia before. Arrhythmia is an irregular heartbeat.
Must have a CHA2DS2-VASc score of 1 or more for men and 2 or more for women. This score helps to assess the risk of stroke in people with atrial fibrillation.
Must have had an ablation for atrial fibrillation before joining the study. Ablation is a procedure to correct heart rhythm problems.
Must have undergone coronary angioplasty with stenting during the hospital stay. This is a procedure to open blocked heart arteries.

Who Cannot Join the Study?

Patients who are not experiencing atrial fibrillation (a condition where the heart beats irregularly) or acute coronary syndrome (a range of conditions associated with sudden, reduced blood flow to the heart) cannot participate.
Patients who are not within the specified age range for the study cannot participate.
Patients who are part of a vulnerable population, such as those unable to give consent, cannot participate.
Patients who do not meet the specific health conditions required for the study cannot participate.

Where you can join this trial?

Verified and Recommended Sites

No sites found in this category

Verified Sites

Site Name	City	Country	Status
Clinique Pasteur	Toulouse	France
Hôpital Européen Georges-Pompidou	Paris	France

Other Sites

Site Name	City	Country
Hopitaux Universitaires Pitie Salpetriere	Paris	France
Centre Hospitalier Universitaire De Nimes	Nimes	France
Centre Hospitalier Groupe Hospitalier De La Rochelle Re Aunis	La Rochelle	France
Les Hopitaux De Chartres	Le Coudray	France
Centre Hospitalier De Haguenau	Haguenau	France
Centre Hospitalier Universitaire De Montpellier	Montpellier	France
Centre Hospitalier De Perigueux	Perigueux	France
Centre Hospitalier De Pau	Pau	France
Cwuyel Hfppqoleaso Iumamgxdofrml dx Vtgptfvmsm Sygan Grvfglh	Villeneuve-Saint-Georges	France
Cnk dophwounzgkrrf	Epagny Metz Tessy	France
Huotnppq cemckn Hosjz Mjcptr it Achatkbt	Aurillac	France
Hnthpefd Uivfvywmtrsvoh Sikcrhzvvv &abyyzf Hvbodwq dt Hqwanmnnlxd	STRASBOURG, Alsace	France

Trial status

Country	Status	Recruitment Start
France	Not recruiting	01.09.2024

Trial locations

Investigated drugs:

Anticoagulant Therapy is used to prevent blood clots in patients who have experienced an acute coronary syndrome (ACS) and have developed a new type of irregular heartbeat called atrial fibrillation (AF). This therapy helps reduce the risk of stroke and other complications by thinning the blood and preventing clots from forming.

Implantable Holter with Remote Monitoring is a small device placed under the skin that continuously records the heart’s electrical activity. It allows doctors to monitor the heart rhythm remotely, providing real-time data to help manage and adjust the anticoagulant therapy more safely and effectively.

Investigated diseases:

Atrial Fibrillation – Atrial fibrillation is a common heart rhythm disorder where the heart’s upper chambers (atria) beat irregularly and often rapidly. This irregular rhythm can lead to poor blood flow and may cause symptoms like palpitations, fatigue, and shortness of breath. Over time, the irregular heartbeat can lead to complications such as blood clots, which may increase the risk of stroke. The condition can be persistent or occur in episodes, and its severity can vary among individuals. It often requires monitoring and management to prevent complications.

Acute Coronary Syndrome – Acute coronary syndrome is a term used to describe a range of conditions associated with sudden, reduced blood flow to the heart. It includes situations such as heart attacks and unstable angina. Symptoms often include chest pain or discomfort, which may spread to the shoulders, arms, neck, or jaw. The condition occurs when a coronary artery is blocked or severely narrowed, leading to damage to the heart muscle. It requires immediate medical attention to restore blood flow and minimize heart damage.

Trial ID:

2024-515433-15-02

Protocol code:

CHPAU2020/01

NCT ID:

NCT04276155

Trial Phase:

Therapeutic confirmatory (Phase III)

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Study on Monitoring Anticoagulant Therapy with Rivaroxaban and Warfarin in Patients with Acute Coronary Syndrome and Atrial Fibrillation

What is this study about?

Who Can Join the Study?

Who Cannot Join the Study?