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A Study Evaluating Efficacy and Safety of YM150 Compared to Enoxaparin in Subjects Undergoing Hip Replacement Surgery

A Randomized, Double-Blind, Double-Dummy, Parallel Group Study to Compare YM150 Bid and qd Doses and Enoxaparin for Prevention of Venous Thromboembolism in Subjects Undergoing Elective Hip Replacement Surgery

Status
Completed
Phases
Phase 2Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00902928
Acronym
ONYX-3
Enrollment
1992
Registered
2009-05-15
Start date
2009-04-30
Completion date
2010-08-31
Last updated
2015-10-27

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

Conditions

Arthroplasty, Replacement, Hip, Venous Thromboembolism

Keywords

Elective hip replacement surgery, Factor Xa, Venous Thromboembolism, Thrombosis, Anticoagulants, Prevention, YM150

Brief summary

The purpose of this study is to evaluate the efficacy and safety of various doses of YM150 (the experimental drug) compared to enoxaparin in the prevention of venous thromboembolism in patients that are undergoing elective hip replacement surgery.

Interventions

DRUGYM150

oral

DRUGenoxaparin

SC injection

Sponsors

Astellas Pharma Europe B.V.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

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

Inclusion criteria

* Subject is scheduled for elective hip replacement surgery

Exclusion criteria

* Subject has active bleeding or any condition associated with increased risk of bleeding * Subject has had major trauma or surgery within 3 months before planned hip replacement surgery or requires major surgery or other invasive procedures with potential for uncontrolled bleeding during the study * Subject has had an MI or stroke within 3 months before planned hip replacement surgery

Design outcomes

Primary

MeasureTime frame
Incidence of symptomatic Venous Thromboembolisms and death from all causes12 days

Secondary

MeasureTime frame
Incidence of all Venous Thromboembolic eventsUntil day 12, during the treatment period, follow-up period and entire study period
Incidence of Bleeding eventsDuring the treatment period, follow-up period and entire study period

Countries

Australia, Austria, Bosnia and Herzegovina, Brazil, Canada, Colombia, Czechia, Denmark, Estonia, Finland, Germany, Hungary, India, Israel, Italy, Latvia, Lithuania, Norway, Poland, Romania, Russia, Slovakia, South Africa, Spain, Sweden, Ukraine, United Kingdom, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 10, 2026