Adding Antiplatelet During Edoxaban Treatment in Stroke Patients With Non-valvular Atrial Fibrillation (ADD-ON)

  • STATUS
    Recruiting
  • End date
    Feb 28, 2024
  • participants needed
    1200
  • sponsor
    Asan Medical Center
Updated on 23 January 2021

Summary

This study aims to compare the effectiveness and safety regarding treatment with standard anticoagulant only or adding antiplatelet to anticoagulant in patients with non-valvular atrial fibrillation and significant atherosclerosis including extracranial, intracranial, coronary or peripheral artery.

Description

Although there is a significant increase in the risk of cerebral infarction in the presence of atrial fibrillation, it is difficult to say that all cerebral infarctions occurring in patients with atrial fibrillation are caused by atrial fibrillation. Carotid stenosis is found in 1/4 of patients with atrial fibrillation, which increases the risk of cerebral infarction. Additional antiplatelet therapy to standard anticoagulation therapy should be considered in some patients. To date, the best medical treatment for prevention of cerebral infarction in patients with atrial fibrillation and accompanying atherosclerosis has not been evaluated yet.

Edoxaban reduced bleeding complication compared to warfarin in patients with atrial fibrillation. In addition, the ENGAGE AF TIMI-48 study showed a tendency to reduce cerebral infarction (p for interaction = 0.08) when administered in combination with one antiplatelet agent and edoxaban. The administration of antiplatelet agents may be due to patients had accompanying myocardial infarction or cerebral infarction. This group is also thought to have a high risk of bleeding due to high HAS-BLED scores. Nonetheless, there was a similar degree of bleeding in patients receiving additional antiplatelet agents. There was also less bleeding in the warfarin arm than in the use of additional antiplatelet agents. (Major bleeding: 0.19 vs 0.24% / yr; intracranial hemorrhage: 0.43 vs 0.57% / yr)

Thus, Edoxaban have good clinical trial results in combination with antiplatelet agents in atrial fibrillation with atherosclerosis compared to other NOACs(new oral anticoagulants). It is also considered to be suitable for combination therapy with antiplatelet agents because of its advantages in different bleeding compared to other warfarin. However, there is no evidence to suggest that Edoxaban alone or in combination with additional antiplatelet agents is better for stroke patients with atrial fibrillation and significant arteriosclerosis.

Details
Condition Arrhythmia, Dysrhythmia, Arrhythmia, Coronary Artery Disease, Coronary Artery Disease, Coronary heart disease, Atrial Fibrillation, Atrial Fibrillation, Atrial Fibrillation (Pediatric), Anticoagulants, Cerebral Atherosclerosis, Acute Ischemic Stroke, Atrial Fibrillation (Pediatric), Antiplatelet, Cardiac Ischemia, Dysrhythmia, Myocardial Ischemia, peripheral artery stenosis, anticoagulant, blood thinner, agents, anticoagulant, anticoagulation agents, blood thinners, anticoagulant drugs, intracranial atherosclerosis, anti-coagulant, Extracranial Atherosclerosis
Treatment Edoxaban Monotherapy
Clinical Study IdentifierNCT04010955
SponsorAsan Medical Center
Last Modified on23 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Patients with acute cerebral infarction or transient ischemic attack within 14 days of symptom onset based on Last Known Normal Time
Patients with non-valvular atrial fibrillation including paroxysmal atrial fibrillation which is eligible for treatment with Edoxaban
Patients with significant atherosclerosis confirmed by imaging tests on the cerebral arteries, coronary arteries, or peripheral arteries and suitable for the use of antiplatelet agents
Significant intracranial internal stenosis confirmed by CTA or MRA
A history of coronary artery disease, meaningful findings from CTA or CAG Arterial stenosis
Peripheral arterial disease (Ankle-Brachial Index, ABI <0.9, significant stenosis found in lower limb ultrasonography 3) Men and women over 20 years old 4) Patients who voluntarily agreed to register the registry

Exclusion Criteria

Patients with chronic renal failure (GFR <30 ml / min) or severe liver damage
patients requiring warfarin medication due to prosthetic valve replacement
patients with internal bleeding (active internal bleeding)
bleeding diathesis
History of acute myocardial infarction or received coronary artery procedure within 6 months before screening
Patients who have received or are scheduled to undergo carotid stenting within 1 year
Currently, two or more antiplatelet agents are required due to arteriosclerosis
Patients whose survival period is expected to be less than 12 months due to serious diseases such as terminal cancer or liver failure
Patients who are scheduled for invasive surgery with possible uncontrolled bleeding, including major surgery
Women who are pregnant or lactating, do not have contraception during the study
A person who is found to be unsuitable for participation in the study due to the clinical laboratory test results or other reasons
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