Press Release

Stroke Prevention in Patients with Atrial Fibrillation:

U.S. FDA Advisory Committee Recommends Approval of Bayer’s Xarelto® (Rivaroxaban)

Sep 9th, 2011 - Berlin, Germany – Bayer HealthCare announced today that the U.S. Food and Drug Administration’s (FDA’s) Cardiovascular and Renal Drugs Advisory Committee recommended approval of rivaroxaban (Xarelto) for the prevention of stroke and systemic embolism in patients with non-valvular atrial fibrillation (AF) in the U.S. The committee voted 9-2 (with one abstention) in favor of approving rivaroxaban in this indication. A decision by the FDA is expected in early November 2011.

The Advisory Committee’s recommendation is not binding, but the FDA will consider the panel’s recommendation and deliberations, as well as the sponsors' presentation in its assessment of the new drug application (NDA) for rivaroxaban. The New Drug Application was submitted by Bayer’s cooperation partner Johnson & Johnson Pharmaceutical Research & Development, L.L.C (J&JPRD) for rivaroxaban in the prevention of stroke and systemic embolism in patients with non-valvular atrial fibrillation on January 5, 2011.

Bayer holds the marketing rights for rivaroxaban in all markets outside the U.S., while Bayer’s cooperation partner Janssen Pharmaceuticals, Inc. (a Johnson & Johnson Company) has the rights to market the product in the U.S.

As previously communicated, the application for marketing authorisation for rivaroxaban in the prevention of stroke and systemic embolism in patients with non-valvular atrial fibrillation as well as the treatment of DVT and the prevention of recurrent DVT and PE has been submitted to the EMA in Europe. In addition, rivaroxaban has been submitted for marketing approval in the prevention of stroke in patients with atrial fibrillation to the Japanese Ministry of Health, Labor and Welfare (MHLW).

About Atrial Fibrillation (AF)

Atrial fibrillation is the most common sustained cardiac rhythm disorder and affects more than 6 million people in Europe, more than 2.3 million people in the U.S. and more than 800,000 individuals in Japan. In patients with atrial fibrillation, the irregular heartbeat makes them vulnerable to the formation of a blood clot in the atria, which can travel to the brain, potentially resulting in a stroke. Strokes cause damage to the brain, and can lead to physical and behavioral impairment, or even death. Significantly, people with atrial fibrillation are at a five-fold increased risk for stroke compared with the general population – about one-third of them will suffer a stroke.

About ROCKET AF

ROCKET AF (Rivaroxaban Once daily oral direct Factor Xa inhibition Compared with vitamin K antagonism for prevention of stroke and Embolism Trial in Atrial Fibrillation) was a prospective, randomized, double-blind, double-dummy parallel group outcomes study comparing once-daily rivaroxaban (20 mg, or 15 mg for patients with moderate renal impairment) with dose-adjusted warfarin in 14,264 patients with non-valvular atrial fibrillation who were at risk for stroke or non-CNS systemic embolism.

This was an event-driven trial, which ended when the pre-specified number of events was accumulated. The primary objective of ROCKET AF was to demonstrate the efficacy of once-daily rivaroxaban in comparison to well controlled warfarin in the prevention of stroke and non-CNS systemic embolism in patients with non-valvular AF. The principal safety measure of ROCKET AF was the composite of major plus non-major clinically relevant bleeding events.

About Rivaroxaban

Rivaroxaban is an oral anticoagulant that was discovered in Bayer HealthCare’s Wuppertal laboratories in Germany, and is being jointly developed by Bayer HealthCare and Johnson & Johnson Pharmaceutical Research & Development, L.L.C. It has a rapid onset of action with a predictable dose response and high bioavailability, no requirement for coagulation monitoring, and a limited potential for food and drug interactions.

Rivaroxaban is marketed under the brand name Xarelto for VTE prevention in adult patients following elective hip or knee replacement surgery, and it is the only oral anticoagulant that has consistently demonstrated superior efficacy over enoxaparin for this indication. To date, rivaroxaban is approved in more than 110 countries worldwide and has been successfully launched in more than 85 countries by Bayer HealthCare in this indication. In the U.S., where rivaroxaban has been successfully launched in July 2011, Janssen Pharmaceuticals, Inc. (a Johnson & Johnson Company) holds marketing rights for rivaroxaban. Bayer HealthCare sales force is supporting the Janssen Pharmaceuticals, Inc. sales force in designated hospital accounts.

The extensive clinical trial program supporting rivaroxaban makes it the most studied and widely published oral, direct Factor Xa inhibitor. The studies, reported and ongoing, involve over 75,000 patients for the prevention and treatment of venous and arterial thromboembolic disorders across a broad range of acute and chronic conditions, including stroke prevention in patients with Atrial Fibrillation, VTE treatment, and the secondary prevention of Acute Coronary Syndrome.

To learn more about thrombosis, please visit www.thrombosisadviser.com.

About Bayer HealthCare

The Bayer Group is a global enterprise with core competencies in the fields of health care, nutrition and high-tech materials. Bayer HealthCare, a subgroup of Bayer AG with annual sales of EUR 16.913 billion (2010), is one of the world’s leading, innovative companies in the healthcare and medical products industry and is based in Leverkusen, Germany. The company combines the global activities of the Animal Health, Consumer Care, Medical Care and Pharmaceuticals divisions. Bayer HealthCare’s aim is to discover and manufacture products that will improve human and animal health worldwide. Bayer HealthCare has a global workforce of 55,700 employees (Dec 31, 2010) and is represented in more than 100 countries. Find more information at www.bayerhealthcare.com.

Contact

Astrid Kranz, Tel. +49 30 468-12057
E-Mail: astrid.kranz@bayer.com

Alexander Siedler, Tel. +49 30 468-12727
E-Mail: alexander.siedler@bayer.com

Find more information at www.bayerpharma.com.
as (2011-0454E)

Forward-Looking Statements

This news release contains forward-looking statements based on current assumptions and forecasts made by Bayer Group management. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of the company and the estimates given here. These factors include those discussed in our annual and interim reports to the Frankfurt Stock Exchange and in our reports filed with the U.S. Securities and Exchange Commission (including our Form 20-F). The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.


Atrial fibrillation
A heart rhythm disorder where chambers in the upper heart (atria) beat more rapidly than those in the lower section of the heart. Blood is not pumped out of the upper chambers completely during beating, and may pool and form a clot. A stroke results if a section of clot dislodges from the upper chambers and becomes lodged in the brain.
Deep vein thrombosis
A blood clot in a deep vein, usually resulting from damage to the vein or blood flow slowing down or stopping. Usually DVTs are found in the leg, but can also be in the arm. Distal DVTs are found in deep veins of the calf, and are the most common type of DVT. Proximal DVTs are found in the legs above the calf muscle up to the waist.
Pulmonary embolism
A potentially fatal condition caused by a blood clot blocking a vessel in the lung: usually the clot originates from a DVT in the legs. PE can result in permanent lung damage.
Efficacy
The ability of a drug to produce the desired effect.
Factor Xa
Pivotal component of blood clotting cascade. Stimulates the production of thrombin, the enzyme in the coagulation cascade that promotes the formation of blood clots.
Venous thromboembolism
A disease process beginning with a blood clot occurring within the venous system, including deep vein thrombosis and pulmonary embolism.
Acute coronary syndrome
An umbrella term used to cover any group of clinical symptoms compatible with an acute heart attack. The subtypes of acute coronary syndrome include unstable angina (in which the heart muscle is not damaged), and two forms of heart attack in which the heart muscle is damaged. These latter types are named according to the appearance of the electrocardiogram as non-ST segment elevation myocardial infarction (NSTEMI) and ST segment elevation myocardial infarction (STEMI).
Thrombosis
Formation of a clot inside a blood vessel.

Contact

Stephanie Prate

Global Pharma Product PR Corporate Communications &
Public Affairs

Address:

Bayer Pharma AG
Germany-13353 Berlin

Telephone: +49 30 468 196053
Telefax: +49 30 468 996053

E-Mail Stephanie Prate

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