Showing posts with label gout. Show all posts
Showing posts with label gout. Show all posts

Thursday, September 30, 2010

FDA orders halt to marketing of unapproved single-ingredient oral colchicine

The U.S. Food and Drug Administration today took action against companies that manufacture, distribute, and/or market unapproved single-ingredient oral colchicine, a medication commonly used for the daily prevention of gout, to treat acute gout flare-ups, and for the treatment of Familial Mediterranean Fever (FMF).

The companies are expected to stop manufacturing single-ingredient oral colchicine within 45 days and must stop shipping this unapproved product in interstate commerce within 90 days. A small amount of unapproved colchicine is expected to be available after these dates until supplies are exhausted.

Many single ingredient oral colchicine products have been used by the medical community for decades. These and a variety of other medications have not received the mandatory modern-day FDA-approval required of all prescription drugs.

Colcrys is the only FDA-approved single-ingredient oral colchicine product available on the U.S. market. Approved by the FDA in 2009, Colcrys’ prescribing information contains important safety data and recommendations on drug interactions and dosing not available with unapproved products.

The manufacturer of Colcrys, Mutual Pharmaceutical/URL Pharma, has established a Patient Assistance Program (PAP) and a Co-Pay Assistance Program (CAP) to ensure that all patients will be able to continue affordable access to colchicine. The company also has informed FDA that it will maintain the programs at a minimum until there is FDA-approved generic competition for Colcrys. The PAP covers three groups of people: those with insurance; those without insurance; and Medicare beneficiaries enrolled in Part D who do not want the cost of Colcrys to contribute toward their true out-of-pocket expenditures under Part D. The CAP helps eligible patients reduce their Colcrys prescription co-pay to no more than $25 per prescription. Specific information on these programs can be found at www.colcrys.com, www.needymeds.org, or by calling 1-888-811-8423.

Today’s action is part of the FDA's broader initiative against marketed unapproved drugs, announced in a June 2006 Compliance Policy Guide describing the agency’s risk-based enforcement approach for marketed unapproved drug products.

“The need for drugs to go through the FDA approval process is clearly demonstrated by our review of oral colchicine tablets,” said Janet Woodcock, M.D., director of FDA’s Center for Drug Evaluation and Research (CDER). “Without our safety review and proper drug labeling, the old standard of care would likely have continued, to the detriment of patients.”

Unapproved versions of colchicine are not generic drugs. Generic drugs are approved by the FDA to assure that the approved generic drug products meet the same standards as the innovator drug. All single-ingredient oral colchicine products, other than Colcrys, that are currently being marketed are unapproved drugs and have never been evaluated by the agency.

“It is a priority for the FDA to get unapproved medications, such as older versions of single ingredient oral colchicine, either updated to conform to FDA’s current approval standards or off the market," said Deborah M. Autor, director of CDER’s Office of Compliance. “The FDA remains committed to ensuring that prescription drugs have the necessary FDA approval. We encourage companies to actively pursue approval or face the type of action announced today.”

The FDA previously took action against unapproved colchicine for injection products on Feb. 6, 2008. This ongoing initiative is designed to bring all unapproved medications, including single-ingredient oral colchicine, up to modern-day safety, efficacy, labeling, and quality standards by ensuring that they comply with FDA approval requirements. The FDA is committed to working with companies to ensure that marketed drugs are safe and effective, and meet appropriate standards for manufacturing and labeling.

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Tuesday, September 14, 2010

FDA Approves New Drug for Gout

/PRNewswire/ -- The U.S. Food and Drug Administration today approved Krystexxa (pegloticase) to treat the painful condition known as gout in adults who do not respond to or who cannot tolerate conventional therapy.

Gout occurs due to an excess of the bodily waste uric acid, which is eventually deposited as needle-like crystals in the joints or in soft tissue. These crystals can cause intermittent swelling, redness, heat, pain and stiffness in the joints.

Gout is strongly associated with obesity, high blood pressure, high cholesterol and diabetes, and occurs more often in men, in women after menopause, and in people with kidney disease.

"About 3 percent of the three million adults who suffer from gout are not helped by conventional therapy. This new drug offers an important new option for them," said Badrul Chowdhury, M.D., director of the Division of Pulmonary, Allergy, and Rheumatology Products in the FDA's Center for Drug Evaluation and Research.

For patients with gout, the conventional therapy is to receive drugs that lower the amount of uric acid in the blood, as, for example, the xanthine oxidase inhibitors Zyloprim (allopurinol) and Uloric (febuxostat). Krystexxa is an enzyme that lowers uric acid levels by metabolizing it into a harmless chemical that is excreted in the urine. The drug is administered to patients every two weeks as an intravenous infusion.

Two six-month clinical trials of 212 total patients demonstrated that the drug lowered uric acid levels and reduced deposits of uric acid crystals in joints and soft tissue.

Since one out of every four patients in the clinical trials experienced a severe allergic reaction when receiving an infusion of Krystexxa, health care providers should dispense a corticosteroid and an antihistamine to their patients beforehand to minimize the risk of such a reaction. Other reactions during the clinical trials included gout flare, nausea, injection site bruising, irritation of the nasal passages, constipation, chest pain and vomiting.

Physicians are also being warned to be cautious about administering Krystexxa to patients with congestive heart failure because the drug was not studied in this patient population.

Krystexxa is being approved with a Risk Evaluation and Mitigation Strategy that includes a medication guide for patients and materials for healthcare providers to communicate the risk of severe infusion and allergic reactions.

Krystexxa is manufactured by Savient Pharmaceuticals Inc. of East Brunswick, N.J.

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Sunday, August 2, 2009

FDA Approves Colchicine for Acute Gout, Mediterranean Fever

The U.S. Food and Drug Administration has approved Colcrys to treat acute flairs in patients with gout, a recurrent and painful form of arthritis, and patients with familial Mediterranean fever (FMF), an inherited inflammatory disorder. The medication’s active ingredient is colchicine, a complex compound derived from the dried seeds of a plant known as the autumn crocus or meadow saffron (Colchicum autumnale).

Colchicine has been used by healthcare practitioners for many years to treat gout but had not been approved by the FDA. The FDA has an initiative underway to bring unapproved, marketed products like colchicine under its regulatory framework. This initiative promotes the goal of assuring that all marketed drugs meet modern standards for safety, effectiveness, quality and labeling.

Physicians historically have given colchicine hourly for acute gout flares until the flare subsided or they had to stop treatment because the patient began experiencing gastrointestinal problems. A dosing study required as part of FDA approval demonstrated that one dose initially and a single additional dose after one hour was just as effective as continued hourly dosing for acute gout flares, but much less toxic. As a result, the drug is being approved for acute gout flares with the lower recommended dosing regimen.

The FDA is alerting healthcare professionals to this new dosing regimen and also warning about the potential for severe drug interactions when patients take colchicine.

The medicinal value of using colchicum was first identified in the first century A.D. and its use for treating acute gout dates back to 1810. Physicians have prescribed the medication since then. Although single-ingredient colchicine has not been approved by the FDA until now, a combination product containing colchicine and an agent that increased the excretion of uric acid in the urine was approved by the FDA in 1939.

FMF is the most common of the hereditary periodic fever syndromes and is characterized by recurrent episodes of fever, arthritis and painful inflammation of the lining layers of the lungs and abdomen. Though rare in the United States, it is more common in Mediterranean countries. Physicians have prescribed colchicine for FMF for many years based on studies showing that it reduced the frequency of attacks but use of colchicine for FMF had never been approved. With this approval, Colcrys becomes the first drug approved to treat FMF.

Colcrys is manufactured by Mutual Pharmaceutical Company, Inc., Philadelphia.

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