APixaban vs. PhenpRocoumon in Patients With ACS and AF: APPROACH-ACS-AF

LMU Klinikum

Status and phase

Completed

Phase 4

Conditions

Coronary Artery Disease

Atrial Fibrillation

Acute Coronary Syndrome

Treatments

Other: Dual Therapy

Other: Triple Therapy

Study type

Interventional

Funder types

Other

Industry

Identifiers

NCT02789917

GE IDE MucT003-16

Details and patient eligibility

About

It is hypothesised that a dual therapy strategy by oral anticoagulation with the new Factor-Xa-inhibitor apixaban plus clopidogrel is superior to a triple therapy regimen with phenprocoumon plus acetylsalicylic acid (ASA) and clopidogrel with respect to avoiding bleeding events in patients with atrial fibrillation undergoing percutaneous coronary intervention in the setting of an acute coronary syndrome.

Full description

Patients with atrial fibrillation (AF) presenting an acute coronary syndrome (ACS) and undergoing PCI require a triple therapy with a combination of oral anticoagulation (OAC) and dual anti-platelet therapy. Current guidelines recommend a regimen consisting of aspirin, clopidogrel and an oral anticoagulant. Although effective in preventing recurrent ischemia, triple therapy confers an elevated bleeding risk, which also has a major impact on the patients' prognosis and survival. Data from one randomized trial suggest that omitting aspirin in patients with indication for triple therapy may reduce the risk of bleeding without an increase of the rate of ischemic events. In addition, the recently introduced non-vitamin-K oral anticoagulants (NOACs) show less bleeding events as compared to vitamin-K antagonist in AF patients. In this trial it is postulated that a dual therapy consisting of the factor-Xa inhibitor apixaban and clopidogrel is associated with significant lower bleeding rates as compared to traditional triple therapy with aspirin, clopidogrel and a vitamin K antagonist (VKA). To test this hypothesis, patients with atrial fibrillation, who underwent PCI in the setting of an ACS will be randomized to either a dual therapy (apixaban+clopidogrel) or a triple therapy (aspirin+clopiodgrel+VKA). The patients will be followed-up for 6 months after randomization.

Enrollment

403 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

Signed written informed consent
Patients with an ACS after successful percutaneous coronary intervention
Indication for oral anticoagulation due to non-valvular atrial fibrillation or atrial flutter (CHA2DS2VASc score ≥ 2)
Males and Females, ages ≥ 18
Women of childbearing potential (WOCBP) must have a negative serum or urine pregnancy test (minimum sensitivity 25 IU/L or equivalent units of HCG) within 24 hours prior to the start of study drug.
Women must not be breastfeeding
WOCBP must agree to follow instructions for method(s) of contraception for the duration of treatment with study drugs plus 30 days (duration of ovulatory cycle) post-treatment completion. However they must still undergo pregnancy testing.

Exclusion criteria

Age < 18 years
History of intracranial bleeding
Active bleeding
History of TIMI major bleeding according to TIMI and/or type ≥3b BARC criteria in the last 6 months
History of peptic ulcer in the last 6 months
Subjects with a history of a complicated or prolonged cardiogenic shock in the last two weeks prior to randomization. A complicated or prolonged cardiogenic shock is defined by a cardiogenic shock that required mechanical ventilation or the cardiovascular support with positive inotropic drugs (i.v. catecholamine) for ≥7 days
Planned major surgery during the study course with planned discontinuation of antithrombotic therapy
Expected life expectancy of less than a year and/or severe illness (e.g. malignancy)
Mechanical valve replacement
Valvular atrial fibrillation
Severe renal insufficiency (creatinine clearance < 30ml/min)
Severe liver insufficiency (Child-Pugh-class C) or elevated hepatic transaminases >2 times the upper limit of normal
Patient's inability to fully comply with the study protocol
Known or persistent abuse of medication, drugs or alcohol reliable by the investigator in individual cases
Subjects with known contraindications to apixaban, phenprocoumon, clopidogrel or ASA treatment, which are hypersensitive to the drug substance or any component of the product
Relevant hematologic deviations: platelet count < 50 G/L or platelet count > 600 G/L
Current or planned pregnancy or nursing women, women 90 days after childbirth. Females of childbearing potential, who do not use and are not willing to use medically reliable methods of contraception for the entire study duration (such as oral, injectable, or implantable contraceptives, or intrauterine contraceptive devices) unless they are surgically sterilized / hysterectomized or there are any other criteria considered sufficiently