A Phase 2b Study of DU-176b, Prevention of Venous Thromboembolism in Patients After Total Hip Arthroplasty

A Phase 2b, Randomized, Multi-Dose Efficacy,Safety Study of the Oral Factor Xa Inhibitor DU-176b Versus Enoxaparin Sodium for Prevention of Venous Thromboembolism in Patients After Total Hip Arthroplasty (STARS J-2)

The objective of this study is to compare the efficacy, safety of DU-176b 30mg or DU-176b 15mg versus enoxaparin sodium for the prevention of venous thromboembolism in patients after elective total hip arthroplasty.

Inclusion Criteria:

1. Patients undergoing unilateral total hip arthroplasty
2. Patients who are 20-84 years olds

Exclusion Criteria:

1. Subjects with risks of hemorrhage
2. Subjects with thromboembolic risks
3. Subjects who weigh less than 40 kg
4. Subjects who are pregnant or suspect pregnancy, or subjects who want to become pregnant