CI

At a glance

ClinicalIndex Comparison Record
Phase 2Completed· 179 enrolled
Drug / intervention
REGN7508 +1 moredrug
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT06454630
NCT06454630Phase 2Completed

A Phase 2, Multicenter, Randomized, Open-Label, Active Control Study of REGN7508, a Factor XI Monoclonal Antibody, for Prevention of Venous Thromboembolism After Elective, Unilateral, Total Knee Arthroplasty (ROXI-VTE II)

Regeneron Pharmaceuticals·interventional·Posted Jun 12, 2024·Updated May 27, 2026

In Brief

A Phase 2 clinical trial evaluating REGN7508 and Enoxaparin for Venous Thromboembolism. Completed, enrolled 179 participants across 14 sites in 5 countries.

Detailed Summary

This study is researching an experimental drug called REGN7508 (called "study drug"). The study is focused on adults undergoing elective, unilateral (one side) total knee replacement (TKR) 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 unilateral total knee replacement surgery. 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 drug less effective or could lead to side effects)

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesBulgaria, Hungary, Latvia, Lithuania, Poland
Collaborators--

Timeline

Phase 2CompletedFinished
20252026
First PostedJun 12, 2024
Enrollment StartJun 27, 2024
Primary CompletionNov 19, 2024
Study CompletionJan 21, 2025
TodayJul 2, 2026
Enrollment to primary: 5 monthsPosted 2.1 years ago

Interventions

REGN7508drug

Administered by single intravenous (IV) dose

Enoxaparindrug

Administered by subcutaneous (SC) dose daily through the time of venography (or day 12, whichever is earlier)