Showing posts with label bayer. Show all posts
Showing posts with label bayer. Show all posts

Tuesday, October 28, 2008

FDA Issues Warning Letters to Bayer HealthCare for Illegally Marketing Two Unapproved Drugs

The U.S. Food and Drug Administration today sent Warning Letters to Bayer HealthCare concerning two unlawful, over-the-counter (OTC) aspirin products — Bayer Women's Low Dose Aspirin + Calcium (Bayer Women's) and Bayer Aspirin with Heart Advantage (Bayer Heart Advantage).

The products, which contain aspirin with either phytosterols or calcium, are unapproved new drugs that require an approved new drug application in order to be legally marketed. In addition to being labeled for use as a pain reliever, both products are labeled for use in reducing the risks of heart disease. Bayer Women's is also labeled for use in "fighting" osteoporosis. Neither product has been approved by the FDA for such uses. These drug uses require a health care professional's diagnosis and supervision, and therefore these products cannot be labeled for use by consumers and sold over-the-counter (OTC).

"The FDA considers these products new drugs and thus they must undergo the FDA's drug approval process," said Mike Chappell, the FDA's acting associate commissioner for regulatory affairs. "The FDA will take enforcement action against manufacturers found to be violating the law or attempting to circumvent the drug approval process."

Bayer Heart Advantage combines aspirin and phytosterols in a single tablet. Bayer Women's combines aspirin and calcium carbonate in a single tablet. The products are labeled as being a combination of a drug and a dietary supplement, but when a drug and a dietary supplement are combined in a single tablet, the product is regulated by FDA as a drug. According to the labeling, the phytosterols in Bayer Heart Advantage are intended to lower blood cholesterol and the calcium in Bayer Women's is intended to strengthen bones to fight osteoporosis. Although certain calcium-containing dietary supplements may bear claims to reduce the risk of osteoporosis, products that are labeled to "fight" or otherwise treat osteoporosis are drugs that require FDA approval. Similarly, although certain phytosterol-containing dietary supplements may bear claims to reduce the risk of coronary heart disease, and may note that the mechanism by which phytosterols achieve this effect is through lowering blood cholesterol, direct claims to lower cholesterol are claims to prevent or treat coronary heart disease and hypercholesterolemia, which is also a disease. Products bearing such claims require an approved new drug application from FDA in order to be legally marketed, and cannot be legally marketed for OTC use.

Under its OTC drug monograph system, FDA allows some drugs to be marketed without first obtaining agency approval. These drugs must comply with applicable monographs, that is, regulations that set requirements for the drugs' labeling and formulation, as well as the indications (uses) for which the drugs can be marketed. OTC drugs that do not meet these requirements and that lack FDA approval are considered illegal, unapproved drugs. Bayer Heart Advantage and Bayer Women's do not meet the conditions in any applicable OTC monograph, and do not have FDA approval. Therefore, Bayer Heart Advantage and Bayer Women's are unapproved new drugs.

In addition, Bayer Heart Advantage and Bayer Women's are misbranded because their labeling lacks adequate directions for use by consumers. In order for a drug to have adequate directions for use, the directions must be written so that consumers can use the product safely for its intended purpose, without the supervision of a health care professional. The use of these products for treatment of heart disease and osteoporosis requires diagnosis and supervision by a health care professional to ensure safe use. Therefore, it is not possible, in OTC drug product labeling, for these products to have adequate directions for their intended uses. The products also are misbranded because their labeling do not have adequate warnings and are misleading. Among other things, the labeling for the aspirin in the products includes directions and warnings regarding short term use, but these directions and warnings are contradicted by other directions for the phytosterols and calcium that promote the products' daily use without any time limits. The result is a mixed message about the products' purposes and the length of time for which the products can be safely used.

"The marketing of these unapproved drugs is troubling," said Janet Woodcock, M.D., director of the FDA's Center for Drug Evaluation and Research. "Because OTC drugs are widely used by consumers, without supervision by a doctor or other health care professional, the overuse or misuse of these aspirin-containing products can put consumers at risk for internal bleeding and other adverse events. It is essential that companies obtain FDA approval and fully comply with FDA regulations."

Although the FDA is not aware of significant adverse events associated with these products, the agency is concerned because neither product has been approved by FDA for its marketed uses.

Today's actions reaffirm the position taken by FDA in two previously issued Warning Letters - one sent to B.F. Ascher & Co., Inc., Lenexa, KS, regarding Melagesic PM, and the other to Omni Nutraceuticals, Inc., Los Angeles, CA regarding Inholtra Joint Pain products. In those letters, the FDA stated that drug ingredients combined with dietary ingredients in a single dosage form require agency approval to be legally marketed in the United States.

Companies that do not resolve violations in FDA Warning Letters risk enforcement action, such as injunctions and/or seizure of illegal products.

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Friday, October 10, 2008

FDA Approves Bayer HealthCare's Kogenate(R) FS Treatment for Routine Prophylaxis in Children with Hemophilia A

PRNewswire/ -- Bayer HealthCare LLC announced today that the U.S. Food and Drug Administration (FDA) has approved routine prophylaxis with Kogenate(R) FS Antihemophilic Factor (Recombinant) to reduce the frequency of bleeding episodes and the risk of joint damage in patients aged 0-16 years with severe hemophilia A with no pre-existing joint damage. This important approval provides these patients with the only factor VIII treatment that the FDA has determined safe and effective for routine prophylaxis -- a treatment regimen recommended by the National Hemophilia Foundation's Medical and Scientific Advisory Council (MASAC).(1)

"The FDA approval of Kogenate FS as the first factor VIII treatment product in the U.S. to be used to replenish factor VIII levels in a prophylactic manner marks a significant milestone in the care of patients, especially young children, with hemophilia A," said Craig Kessler, M.D., Georgetown University Hospital and Chair, MASAC. "The results from the pivotal clinical study confirmed that the administration of Kogenate FS to prevent bleeding into the joints was more beneficial to joint health and function than 'on-demand' treatment of acute episodes of joint bleeds."

Dr. Kessler added, "The data justify the consideration of prophylaxis treatment for children with severe and moderate severity hemophilia A, uncomplicated by pre-existing joint damage, to be the medical standard of care. The FDA's recognition that Kogenate FS is an effective prophylactic FVIII replacement product has 'jump started' the standard of hemophilia care in the United States so that it is now on par with other developed countries, especially those in Western and Northern Europe."

The FDA approval of Kogenate(R) FS for routine prophylaxis in children without pre-existing joint damage is based on the clinical data from a multicenter trial in the U.S. that included 65 boys with severe hemophilia A less than 30 months of age at study entry. Study participants were followed for up to 5.5 years. This Joint Outcomes Study (JOS), conducted over a 10-year period, was led by Marilyn J. Manco-Johnson, M.D., Professor of Pediatrics and Associate Professor of Pathology in the Department of Pediatrics, University of Colorado at Denver and Health Science Center, and Director of the Mountain States Regional Hemophilia & Thrombosis Center at the University of Colorado. Key findings from the JOS study, published in the August 9, 2007 issue of The New England Journal of Medicine(2), include:

-- 93 percent of the participants in the routine prophylaxis group showed
normal joint function, in contrast to 55 percent in the episodic
group.
-- Kogenate FS prophylaxis treatment was able to preserve the joint even
if the child had less than or equal to two bleeds per index joint.
-- Patients from the prophylaxis group were eight times more likely to
have damage-free joints than those from the episodic group.
-- The prophylaxis group had an 81.5 percent reduction in annual bleeding
frequency compared to the episodic group.
-- Overall, there was an 83 percent reduction in the risk for joint
damage in patients receiving prophylaxis from an early age.
-- Ten percent of the patients treated episodically experienced
life-threatening bleeds compared to zero patients treated
prophylactically.
-- The most common adverse events were related to central venous access,
such as catheterization and catheter removal, central line infection
and pyrexia.


The study was designed with special emphasis on the "index joints," including the elbow, knee and ankle joints, which are most prone to bleeding in severe hemophilia patients. Joint structural outcomes and functioning were measured at 6 years of age by radiography, magnetic resonance imaging (MRI) and physical exams.

"The value for prophylaxis for hemophilia A patients has been understood for many years, but until today we have not had the combination of clinical evidence, pharmaceutical indication and the alignment of healthcare professionals, patients and regulators needed to ensure this treatment option is available," said Val Bias, CEO, National Hemophilia Foundation. "Bayer HealthCare's pursuit of this approval shows leadership and commitment to providing the scientific evidence that proves the benefits of prophylactic use for joint health in pediatric hemophilia patients."

This U.S. FDA approval may positively affect the prophylactic use of Kogenate FS in certain developing markets, including countries in Asia and South and Central America, where the product is approved based on the U.S. label.

"Today's announcement is a milestone in Bayer HealthCare's continuing commitment to advancing the science and treatment for the hemophilia community," said Paul Bedard, Vice President, General Manager, Hematology Business Unit, Bayer HealthCare. "From the beginning, our goal in pursuing this indication was to provide treatment options that would reduce bleeding episodes and protect the joint health of children with hemophilia A, which are the everyday concerns of patients."

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