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Dr. Bob is Robert Hsiung, MD,
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Posted by Phillipa on May 28, 2010, at 16:00:32
Seems the weight loss drug Alli Orlastat has the potential to cause severe liver damage even neccesitating liver transplants. Phillipa
From Medscape Medical News > Alerts, Approvals and Safety Changes > Medscape Alerts
FDA Adds Risk for Severe Liver Injury to Orlistat Label
Robert Lowes
May 26, 2010 The US Food and Drug Administration (FDA) announced today that it has revised the label for orlistat (Xenical) to include new safety information about rare cases of severe liver injury reported with the use of the weight-loss medication.In addition, the Drug Facts label for an over-the-counter, 60-mg formulation of orlistat (Alli) will now feature a warning about severe liver injury. Xenical, available only by prescription, is a 120-mg formulation.
Last August, the agency announced that it was studying a possible link between orlistat and liver injury. Today's announcement is based on a completed FDA review of all available data from preclinical and clinical trials, postmarketing studies, and drug utilization from April 1999 through August 7, 2009.
Signals of significant liver damage did not emerge in preclinical or clinical trials. However, the FDA identified 13 postmarketing cases of severe liver injury 12 of them foreign cases involving Xenical and the other a US case involving Alli. Some patients died or needed a liver transplant.
The FDA stated that it has not yet established a causal relationship between orlistat use and severe liver injury and cited 3 factors making this determination difficult:
The 13 cases of severe liver injury stand alongside an estimated 40 million people who have used some version of orlistat.
Some of the 13 patients used other drugs or had conditions that might have contributed to severe liver injury.
Severe liver injury can occur without a distinct reason in people not taking drugs.
The FDA is advising clinicians to instruct orlistat users to report any symptoms of hepatic dysfunction such as anorexia, pruritus, jaundice, dark urine, light-colored stools, or right upper quadrant pain. Patients should discontinue orlistat therapy if liver injury is suspected.More information on today's FDA announcement is available on the agency's Web site.
To report adverse events related to orlistat, contact MedWatch by telephone at 1-800-FDA-1088, by fax at 1-800-FDA-0178, online at http://www.fda.gov/medwatch, or by mail to MedWatch, FDA, 5600 Fishers Lane, Rockville, Maryland 20852-9787.
Posted by desolationrower on June 6, 2010, at 14:08:17
In reply to Update Warning on Wt Loss Med Alli And Severe Live, posted by Phillipa on May 28, 2010, at 16:00:32
PREVENTS the absorbtion of fat-soluble minerals, i wonder if that has something to do with it
-d/r
Posted by desolationrower on June 19, 2010, at 4:47:58
In reply to Re: Update Warning on Wt Loss Med Alli And Severe Live, posted by desolationrower on June 6, 2010, at 14:08:17
oh wow. fat soluble vitamins, not minerals.
-d/r
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