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REGN7508 Versus Acetylsalicylic Acid (ASA) for Venous Thromboprophylaxis After Total Knee Arthroplasty in Adult Participants

NCT07213778 · Status: RECRUITING · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 2000

Last updated 2026-05-06

No results posted yet for this study

Summary

This study is researching an experimental drug called REGN7508 versus Acetylsalicylic Acid (ASA) (each called "study drug"). The study is focused on adults undergoing elective, unilateral (one side) total knee replacement surgery.

The aim of the study is to see how effective the study drug is at preventing Venous Thromboembolism (VTE) and other related diseases after total knee replacement surgery compared to acetylsalicylic acid.

The study is looking at several other research questions, including:

* What side effects may happen from taking the study drug
* How much study drug is in the blood at different times
* Whether the body makes antibodies against the study drug (which could make the study drug less effective or could lead to side effects)

Conditions

  • Symptomatic Venous Thromboembolism (VTE)

Interventions

DRUG

REGN7508

Administered per the protocol

DRUG

Acetylsalicylic Acid (ASA)

Administered per the protocol

DRUG

Placebo

Administered per the protocol

Sponsors & Collaborators

Principal Investigators

  • Clinical Trial Management · Regeneron Pharmaceuticals

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-11-24
Primary Completion
2027-05-17
Completion
2027-07-16
FDA Drug
Yes

Countries

  • United States

Study Locations

More Related Trials

Entities

Drugs
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07213778 on ClinicalTrials.gov