Status:

ACTIVE_NOT_RECRUITING

Safety and Tolerability of Abelacimab (MAA868) vs. Rivaroxaban in Patients With Atrial Fibrillation

Lead Sponsor:

Anthos Therapeutics, Inc.

Collaborating Sponsors:

Novartis Pharmaceuticals

Conditions:

Atrial Fibrillation (AF)

Stroke

Eligibility:

All Genders

55+ years

Phase:

PHASE2

Brief Summary

The purpose of the ANT-006 study is to evaluate the bleeding profile of abelacimab relative to rivaroxaban in patients with atrial fibrillation (AF) at moderate-to-high risk of stroke.

Eligibility Criteria

Inclusion

  • Male and female patients ≥ 55 years old
  • Patients with a history of atrial fibrillation (AF) or atrial flutter with planned indefinite anticoagulation
  • Patients with a CHA2DS2-VASc of ≥4 OR a CHA2DS2-VASc of ≥3 with at least 1 of the following:
  • Planned concomitant use of antiplatelet medication use (i.e., aspirin and/or P2Y12 inhibitor) for the duration of the trial
  • Creatinine Clearance (CrCl) ≤50 ml/min by the Cockcroft-Gault equation

Exclusion

  • History of hypersensitivity to any of the study drugs (including rivaroxaban) or its excipients, to drugs of similar chemical classes, or any contraindication listed in the label for rivaroxaban
  • Patients with an intracranial or intraocular bleed within the 3 months prior to screening
  • Clinically significant mitral stenosis (valve area \<1.5 cm2)
  • Mechanical heart valve or other indication for anticoagulation therapy other than atrial fibrillation (e.g., venous thromboembolism)
  • Known presence of an atrial myxoma or left ventricular thrombus
  • History of left atrial appendage closure or removal
  • Active endocarditis
  • Other protocol defined Inclusion/Exclusion criteria may apply

Key Trial Info

Start Date :

February 2 2021

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 29 2028

Estimated Enrollment :

1287 Patients enrolled

Trial Details

Trial ID

NCT04755283

Start Date

February 2 2021

End Date

December 29 2028

Last Update

November 6 2025

Active Locations (92)

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Page 1 of 23 (92 locations)

1

Anthos Investigative Site

Huntsville, Alabama, United States, 35801

2

Anthos Investigative Site

Mobile, Alabama, United States, 36608

3

Anthos Investigative Site

Stamford, Connecticut, United States, 06905

4

Anthos Investigative Site

Clearwater, Florida, United States, 33756