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Reduce the Risk of VTE: Indications & Efficacy
The Only Synthetic,
Selective Factor
Xa Inhibitor
ARIXTRA Injection is indicated for the prophylaxis of deep vein thrombosis,
which may lead to pulmonary embolism in:
ARIXTRA Cut Venous Thromboembolism (VTE)* by More Than Half vs Enoxaparin
Sodium
As proven in three out of four clinical studies, ARIXTRA
significantly reduced the risk of VTE vs enoxaparin sodium in patients
undergoing hip fracture surgery, knee replacement surgery, or hip replacement
surgery, respectively.
Click on efficacy links at left for complete study information for ARIXTRA.
In two other clinical studies:
- In a second hip replacement study, ARIXTRA was associated with a VTE rate of 6.1%
compared with a VTE rate of 8.3% for enoxaparin sodium for a relative
risk reduction of 26% (95% CI: -11%, 53%; P = NS).
- In an abdominal surgery study, ARIXTRA was associated with a VTE rate of 4.6%
compared with a VTE rate of 6.1% for dalteparin sodium (P = NS).
In the four orthopedic surgery studies, overall major bleeding
rate across the pivotal perioperative clinical studies was 2.7% for ARIXTRA
and 1.9% for enoxaparin sodium. However, in a separate analysis, major
bleeding was reduced to 1.9% when the first injection of ARIXTRA was given
6 to 8 hours postsurgical closure.
In an abdominal surgery study, overall major bleeding was 3.4% for
ARIXTRA and 2.4% for dalteparin sodium. A separate analysis of major bleeding was performed,
according to the time of the first injection of ARIXTRA after surgical
closure. In this analysis, the incidences of major bleeding
were as follows: <6 hours was 3.4% (9/263) and 6 to 8 hours was 2.9% (32/1,112).
ARIXTRA for the treatment of DVT and PE
ARIXTRA Injection is also indicated for:
- the treatment of acute deep vein thrombosis when administered in conjunction with warfarin sodium, and
- the treatment of acute pulmonary embolism when administered in conjunction with warfarin sodium when initial therapy is administered in the hospital.
Efficacy for the treatment of DVT and PE
- Efficacy was proven comparable to enoxaparin in treatment of DVT. View complete study
information.
- Proven efficacy in treatment of PE. View complete study information.
When epidural/spinal anesthesia or spinal puncture is employed, patients
anticoagulated or scheduled to be anticoagulated with low-molecular-weight
heparins, heparinoids, or fondaparinux sodium are at risk of developing
an epidural or spinal hematoma, which can result in long-term or permanent
paralysis. The risk of these events may be higher with postoperative
use of indwelling epidural catheters or concomitant use of drugs affecting
hemostasis. The risk also appears to be increased by traumatic or repeated epidural or spinal puncture. Patients should be frequently monitored for signs and symptoms
of neurological impairment. (See BOXED WARNING for Spinal/Epidural
Hematomas.)
Please see Important Safety Information and complete Prescribing Information, including BOXED WARNING regarding epidural and spinal hematomas.

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Extending
therapy with ARIXTRA reduced VTE to 1.4% and symptomatic VTE to 0.3% in
hip fracture patients. Learn more. |
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Only ARIXTRA has FDA-approved indications for hip fracture and extended prophylaxis in hip fracture.
Learn more. |
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