Healthcare Industry News: total knee
News Release - July 8, 2007
Phase III Trial Results Show Superiority of Rivaroxaban over Enoxaparin for the Prevention of Venous Thromboembolism in Patients Undergoing Knee Replacement SurgeryRivaroxaban, an Investigational, Oral, Once-Daily Direct Factor Xa Inhibitor, Shows a Significant Reduction in Deep Vein Thrombosis and Pulmonary Embolism Compared to Enoxaparin with Similarly Low Bleeding Rates
GENEVA--(HSMN NewsFeed)--Late-breaking Phase III clinical trial data presented today at the XXI International Society on Thrombosis and Haemostasis (ISTH) Congress demonstrate that once-daily rivaroxaban achieved superior efficacy in the prevention of venous thromboembolism (VTE) in patients undergoing knee replacement surgery in a head-to-head comparison with enoxaparin, the current standard of care. Patients in the RECORD3 (REgulation of Coagulation in major Orthopaedic surgery reducing the Risk of DVT and PE) study who were treated with rivaroxaban demonstrated a 49% relative risk reduction (RRR) (p less than 0.001) in the composite primary endpoint of deep vein thrombosis (DVT), non-fatal pulmonary embolism (PE) and all-cause mortality compared to those treated with enoxaparin. A 62% reduction of risk (p=0.01) for developing major VTE (the composite of proximal DVT, non-fatal PE and VTE-related death) - the secondary endpoint of the trial - was observed in the patients treated with rivaroxaban. Rivaroxaban also demonstrated a similarly low rate of major bleeding compared to enoxaparin (0.6% and 0.5%, respectively).
Rivaroxaban is an investigational, oral, once-daily direct Factor Xa inhibitor. It is an anticoagulant - a drug designed to prevent and treat blood clots - in advanced clinical development for the prevention and treatment of thrombosis in acute and chronic settings, enabling convenient administration in both the hospital and at home.
Rivaroxaban is being jointly developed by Johnson & Johnson Pharmaceutical Research & Development L.L.C. (J&JPRD), and Bayer HealthCare AG.
Lead RECORD3 investigator, Michael R. Lassen, MD, of Hoersholm Hospital, University of Copenhagen, Denmark, commented: "The RECORD3 results are exciting, as they indicate that rivaroxaban may better meet the needs of many patients undergoing orthopaedic surgery. It's an important step for this category that a once-daily, oral medication has demonstrated better efficacy in preventing VTE than the current standard of care, while also displaying a promising safety profile. In addition, it is important to note that symptomatic VTE, a secondary endpoint of the study, showed results in favor of rivaroxaban."
Detailed Study Results
RECORD3 is a 2,531-patient, phase III, double-blind trial that assessed the safety and efficacy of 10 mg oral, once-daily rivaroxaban started 6-8 hours after surgery versus 40 mg subcutaneous, once-daily enoxaparin started the evening before surgery in elective total knee replacement (TKR) surgery. Both regimens were continued for 10-14 days. The primary efficacy endpoint of the study was the composite of DVT, as diagnosed by mandatory venography, non-fatal PE and all-cause mortality. The primary safety endpoint was major bleeding. Results showed that DVT, non-fatal PE and death occurred in 9.6% (79/824) of patients receiving rivaroxaban versus 18.9% (166/878) of patients receiving enoxaparin (RRR 49%; p less than 0.001).
Major VTE (the composite of proximal DVT, non-fatal PE and VTE-related death) - the main secondary efficacy endpoint of the study - occurred in 1.0% of the rivaroxaban-treated group and in 2.6% of the enoxaparin-treated group. The difference was statistically significant (p=0.01) in favor of rivaroxaban, with an RRR of 62%. A reduction was also demonstrated in symptomatic VTE, a pre-specified additional secondary endpoint in the study. Symptomatic VTE occurred in 1.0% of patients who received rivaroxaban, compared to 2.7% of those in the enoxaparin comparator group, resulting in an RRR of 64%.
In the rivaroxaban- and enoxaparin-treated groups, major bleeding rates were 0.6% and 0.5%, and any bleeding rates were 4.9% and 4.8%, respectively. The RECORD3 trial demonstrated superior efficacy of rivaroxaban versus enoxaparin, with similarly low bleeding rates, in patients undergoing TKR.
Garry Neil, MD, group president for central nervous system and internal medicine research & development at Johnson & Johnson Pharmaceutical Research and Development commented: "We believe rivaroxaban could alter the landscape of antithrombotic therapy. An effective once-daily oral anticoagulant that can be administered safely and conveniently in the hospital and home settings has the potential to improve upon current therapies and help to treat the significant number of under- and un-treated patients at risk for life-threatening thrombotic events."
The trade name of rivaroxaban is expected to be Xarelto«, pending health authority approval.
Results from other phase III trials in the RECORD program, RECORD1 and RECORD2 are expected to be available by H2 2007.
Unmet Needs in Venous Thromboembolism (VTE)
VTE is a type of thromboembolic disease that affects approximately 6.5 million people worldwide annually. Thromboembolic disease, which is caused by the obstruction of a blood vessel by a blood clot, is a leading cause of global mortality and a concern for many patient populations, including those with atrial fibrillation at risk for stroke; those at risk for myocardial infarction (heart attack); those undergoing orthopaedic surgery at risk for developing DVT and PE; and hospitalized, medically ill patients immobilized by cancer, congestive heart failure, acute respiratory disease, or other illnesses.
About Rivaroxaban (Xarelto«)
Phase IIb data - presented at ISTH in 2005, and published in the Journal of Thrombosis and Haemostasis in 2005 and 2006, and the additional once-daily ODIXa HIP study published in Circulation in 2006 - indicate that rivaroxaban offers predictable anticoagulation, which strongly suggests that routine coagulation monitoring will not be required. In addition, data show that rivaroxaban does not interact with a wide variety of drugs that are commonly given concomitantly with an anticoagulant.
To date, rivaroxaban is the most studied oral direct Factor Xa inhibitor in development. More than 15,000 patients have been evaluated in the completed phase II programs and enrolled thus far in the phase III programs. More than 40,000 patients are expected to be evaluated in total.
The RECORD3 trial is part of the joint clinical development program led by J&JPRD and Bayer HealthCare. Upon regulatory approval, rivaroxaban will be commercialized in the United States by Scios Inc. and Ortho-McNeil, Inc. Bayer Schering Pharma will market rivaroxaban throughout the rest of the world.
The companies plan to submit regulatory filings for the prevention of VTE in orthopaedic surgery in late 2007 in Europe and in 2008 in the United States.
About Johnson & Johnson Pharmaceutical Research and Development, L.L.C. (J&JPRD)
Johnson & Johnson Pharmaceutical Research & Development, L.L.C., is part of Johnson & Johnson, the world's most broadly based producer of healthcare products. J&JPRD is headquartered in Raritan, NJ, and has facilities throughout Europe and the United States. J&JPRD is leveraging drug discovery and drug development in a variety of therapeutic areas to address unmet medical needs worldwide.
(This press release contains "forward-looking statements" as defined in the Private Securities Litigation Reform Act of 1995. These statements are based on current expectations of future events. If underlying assumptions prove inaccurate or unknown risks or uncertainties materialize, actual results could vary materially from the Company's expectations and projections. Risks and uncertainties include general industry conditions and competition; economic conditions, such as interest rate and currency exchange rate fluctuations; technological advances and patents attained by competitors; challenges inherent in new product development, including obtaining regulatory approvals; domestic and foreign health care reforms and governmental laws and regulations; and trends toward health care cost containment. A further list and description of these risks, uncertainties and other factors can be found in Exhibit 99 of Johnson & Johnson's Annual Report on Form 10-K for the fiscal year ended December 31, 2006. Copies of this Form 10-K, as well as subsequent filings, are available online at www.sec.gov, jnj.com or on request from the Company. The Company does not undertake to update any forward-looking statements as a result of new information or future events or developments.)
For more information on Johnson & Johnson, please visit the Company's web site at www.jnj.com.
Source: Johnson & Johnson
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