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A Study of Milvexian Versus Apixaban in Participants With Atrial Fibrillation

A Phase 3, Randomized, Double-Blind, Double-Dummy, Parallel Group, Active-Controlled Study to Evaluate the Efficacy and Safety of Milvexian, an Oral Factor XIa Inhibitor, Versus Apixaban in Participants With Atrial Fibrillation

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05757869
Acronym
LIBREXIA-AF
Enrollment
20284
Registered
2023-03-07
Start date
2023-04-11
Completion date
2026-10-31
Last updated
2026-03-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Atrial Fibrillation

Brief summary

The purpose of this study is to evaluate if milvexian is at least as effective as apixaban for reducing the risk of the composite stroke and non-central nervous system (CNS) systemic embolism.

Interventions

Milvexian will be administered orally.

DRUGApixaban

Apixaban will be administered orally.

DRUGPlacebo

Milvexian matching milvexian placebo will be administered orally.

Apixaban matching apixaban placebo will be administered orally.

Sponsors

Janssen Research & Development, LLC
Lead SponsorINDUSTRY
Bristol-Myers Squibb
CollaboratorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Minimum age of 18 years * Medically stable and appropriate for chronic antithrombotic treatment * Atrial fibrillation eligible to receive anticoagulation * Participant must satisfy one or both of the following categories of risk factors (a or b): a) one or more of the following risk factors: i) age greater than or equal to 75 years, ii) history of any type of stroke including symptomatic stroke of any kind. b) two or more of the following risk factors: i) age between 65 and 74 years, ii) hypertension, iii) diabetes mellitus, iv) atherosclerotic vascular disease, v) heart failure

Exclusion criteria

* Hemodynamically significant valve disease or those with valve disease that will potentially require surgical valve replacement during the study * Any condition other than AF that requires chronic anticoagulation

Design outcomes

Primary

MeasureTime frameDescription
Time to the First Occurrence of Composite Endpoint of Stroke and Non-central nervous system (CNS) Systemic EmbolismUp to 4 yearsTime to the first occurrence of composite endpoint of stroke and non-CNS systemic embolism will be reported.

Secondary

MeasureTime frameDescription
Time to the First Occurrence of International Society of Thrombosis and Hemostasis (ISTH) Major BleedingUp to 4 yearsTime to the first occurrence of ISTH major bleeding will be reported.
Time to the First Occurrence of the Composite of ISTH Major and Clinically Relevant Non-major (CRNM) BleedingUp to 4 yearsTime to the first occurrence of the composite of ISTH major and CRNM bleeding will be reported.
Time to the First Occurrence of Composite Endpoint of Stroke, Non-CNS Systemic Embolism and ISTH Major BleedingUp to 4 yearsTime to the first occurrence of composite endpoint of stroke, non-CNS systemic embolism and ISTH major bleeding will be reported.
Time to the First Occurrence of Composite Endpoint of Cardiovascular (CV) Death, Myocardial Infarction (MI), Stroke, and Non-CNS Systemic EmbolismUp to 4 yearsTime to the first occurrence of composite endpoint of CV death, MI, stroke, and non-CNS systemic embolism will be reported.
Time to CV DeathUp to 4 yearsTime to CV death will be reported.
Time to the First Occurrence of Composite Endpoint of All-cause Death, MI, Stroke and Non-CNS Systemic EmbolismUp to 4 yearsTime to the first occurrence of composite endpoint of all-cause death, MI, stroke and Non-CNS systemic embolism will be reported.
Time to the First Occurrence of Composite Endpoint of CV Death, MI, Stroke, Acute Limb Ischemia (ALI), and Urgent Hospitalization for Vascular cause of Ischemic NatureUp to 4 yearsTime to the first occurrence of composite endpoint of CV death, MI, stroke, ALI \[any unanticipated revascularization or amputation of ischemic limb\]), and urgent hospitalization for vascular cause of ischemic nature (including deep vein thrombosis \[DVT\] and pulmonary embolism \[PE\]) will be reported.

Countries

Argentina, Australia, Belgium, Brazil, Bulgaria, Canada, Chile, China, Croatia, Czechia, Denmark, Estonia, France, Germany, Greece, Hungary, India, Israel, Italy, Japan, Latvia, Lithuania, Malaysia, Netherlands, New Zealand, Philippines, Poland, Portugal, Romania, Serbia, Singapore, Slovakia, South Africa, South Korea, Spain, Taiwan, Turkey (Türkiye), United Kingdom, United States

Contacts

STUDY_DIRECTORJanssen Research & Development, LLC Clinical Trial

Janssen Research & Development, LLC

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 14, 2026