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SOURCE Bayer HealthCare Pharmaceuticals
WHIPPANY, N.J., Oct. 28, 2013 /PRNewswire/ -- Bayer HealthCare today announced preliminary results from two ongoing, open-label, long-term extension studies investigating its recently approved Adempas® (riociguat) tablets will be presented in scientific forum at CHEST 2013, the annual meeting of the American College of Chest Physicians, October 26 – 31, in Chicago, IL.
Adempas was approved by the United States Food and Drug Administration on October 8, 2013 for: (i) the treatment of adults with persistent/recurrent chronic thromboembolic pulmonary hypertension (CTEPH) (WHO* Group 4) after surgical treatment or inoperable CTEPH to improve exercise capacity and WHO functional class; and (ii) the treatment of adults with pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise capacity, improve WHO functional class and delay clinical worsening.
In PAH, efficacy was shown in patients on Adempas monotherapy or in combination with endothelin receptor antagonists (ERAs) or prostanoids (inhaled, oral or subcutaneous). Studies establishing effectiveness included predominately patients with WHO functional class II-III and etiologies of idiopathic or heritable PAH (61%) or PAH associated with connective tissue diseases (25%).
"Bayer is excited to discuss results from our ongoing, open-label, long-term extension studies investigating Adempas," said Pamela A. Cyrus, M.D., Vice President and Head of U.S. Medical Affairs, Bayer HealthCare Pharmaceuticals. "We are pleased that new data sets from our clinical program for Adempas were accepted for presentation at CHEST 2013 and look forward to sharing them with the scientific community."
The studies to be presented are:
ADEMPAS® (riociguat) tablets IMPORTANT SAFETY INFORMATION
WARNING: EMBRYO-FETAL TOXICITY
Do not administer Adempas (riociguat) tablets to a pregnant female because it may cause fetal harm.
Females of reproductive potential: Exclude pregnancy before the start of treatment, monthly during treatment, and 1 month after stopping treatment. Prevent pregnancy during treatment and for one month after stopping treatment by using acceptable methods of contraception.
For all female patients, Adempas is available only through a restricted program called the Adempas Risk Evaluation and Mitigation Strategy (REMS) Program.
Adempas is contraindicated in:
Warnings and Precautions
Embryo-Fetal Toxicity. Adempas may cause fetal harm when administered during pregnancy and is contraindicated for use in women who are pregnant. In females of reproductive potential, exclude pregnancy prior to initiation of therapy, advise use of acceptable contraception and obtain monthly pregnancy tests. For females, Adempas is only available through a restricted program under the Adempas REMS Program.
Adempas REMS Program. Females can only receive Adempas through the Adempas REMS Program, a restricted distribution program.
Important requirements of the Adempas REMS program include the following:
Further information, including a list of certified pharmacies, is available at www.AdempasREMS.com or 1-855-4ADEMPAS.
Hypotension. Adempas reduces blood pressure. Consider the potential for symptomatic hypotension or ischemia in patients with hypovolemia, severe left ventricular outflow obstruction, resting hypotension, autonomic dysfunction, or concomitant treatment with antihypertensives or strong CYP and P-gp/BCRP inhibitors. Consider a dose reduction if patient develops signs or symptoms of hypotension.
Bleeding. In the placebo-controlled clinical trials program, serious bleeding occurred in 2.4% of patients taking Adempas compared to 0% of placebo patients. Serious hemoptysis occurred in 5 (1%) patients taking Adempas compared to 0 placebo patients, including one event with fatal outcome. Serious hemorrhagic events also included 2 patients with vaginal hemorrhage, 2 with catheter site hemorrhage, and 1 each with subdural hematoma, hematemesis, and intra-abdominal hemorrhage.
Pulmonary Veno-Occlusive Disease. Pulmonary vasodilators may significantly worsen the cardiovascular status of patients with pulmonary veno-occlusive disease (PVOD). Therefore, administration of Adempas to such patients is not recommended. Should signs of pulmonary edema occur, the possibility of associated PVOD should be considered and if confirmed, discontinue treatment with Adempas.
Most Common Adverse Reactions
The most common adverse reactions occurring more frequently (>3%) on Adempas than placebo were headache (27% vs. 18%), dyspepsia/gastritis (21% vs. 8%), dizziness (20% vs. 13%), nausea (14% vs. 11%), diarrhea (12% vs. 8%), hypotension (10% vs. 4%), vomiting (10% vs. 7%), anemia (7% vs. 2%), gastroesophageal reflux disease (5% vs. 2%), and constipation (5% vs. 1%).
Other events that were seen more frequently in Adempas compared to placebo and potentially related to treatment were: palpitations, nasal congestion, epistaxis, dysphagia, abdominal distension and peripheral edema.
For important risk and use information, please see the full Prescribing Information, including Boxed Warning, at www.adempas-us.com.
About Bayer HealthCare Pharmaceuticals Inc.
Bayer HealthCare Pharmaceuticals Inc. is the U.S.-based pharmaceuticals business of Bayer HealthCare LLC, a subsidiary of Bayer AG. Bayer HealthCare is one of the world's leading, innovative companies in the healthcare and medical products industry, and combines the activities of the Animal Health, Consumer Care, Medical Care, and Pharmaceuticals divisions. As a specialty pharmaceutical company, Bayer HealthCare provides products for General Medicine, Hematology, Neurology, Oncology and Women's Healthcare. The company's aim is to discover and manufacture products that will improve human health worldwide by diagnosing, preventing and treating diseases.
Bayer® and the Bayer Cross® and Adempas® are registered trademarks of Bayer.
This release may contain forward-looking statements based on current assumptions and forecasts made by Bayer Group or subgroup 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 Bayer's public reports which are available on the Bayer website at www.bayer.com. The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.
* World Health Organization
Intended for U.S. media only
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