Positive TB-402 (Anti-Factor VIII Antibody) Phase II Data Published in Journal of Thrombosis and Haemostasis
A paper entitled “Single Intravenous Administration of TB-402 for the Prophylaxis of Venous Thromboembolism after Total Knee Replacement: A Dose-Escalating, Randomised, Controlled Trial” has been published in JTH. This publication covers a recently completed dose finding Phase II trial with TB-402, with the objective of evaluating the efficacy and safety of three dose levels of single intravenous injection of TB-402 for preventing VTE after total knee surgery. The trial compared TB-402 with enoxaparin (Lovenox, sanofi-aventis), the standard treatment to prevent VTE in this setting.
The study showed that TB-402 was associated with a lower rate of VTE compared with enoxaparin. Pooled results of the TB-402 groups (0.3 mg/kg, 0.6 mg/kg and 1.2 mg/kg) showed a 22% incidence of total VTE compared with 39% for enoxaparin. In addition, TB-402 was generally well tolerated and demonstrated comparable safety to enoxaparin.
The results outlined in the article highlight that a single dose of TB-402 has the potential to improve preventive treatment of VTE after orthopaedic surgery by providing a stable, long-acting antithrombotic effect. The single dose administration may overcome poor patient compliance to therapy, one of the main causes of VTE in the real world. Furthermore, TB-402’s novel mode of action could overcome the frequent monitoring and dose adjustment requirements associated with many current anticoagulant treatments.
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