FDA News Digest
July 16, 2007
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IN
THIS WEEK'S ISSUE
»
News
-- LASIK Device OK'd to Correct One Eye for Far Vison, Other for Near
-- New Test Approved for Detecting Breast Cancer That Has Spread
-- Web Pages Give Background on Newly Approved Medical Devices
» Recalls/Safety Alerts
» Upcoming
Public Meetings
» Question of the Week
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http://www.fda.gov/bbs/topics/NEWS/2007/NEW01665.html
New Test Approved for Detecting Breast Cancer That Has Spread
FDA has approved the GeneSearch BLN Assay, the first molecular-based laboratory test for detecting whether breast cancer has spread to nearby lymph nodes. The presence or absence of breast cancer cells in underarm lymph nodes is a powerful predictor of whether the cancer has spread and is used to help decide appropriate therapy for a woman with breast cancer that has spread (metastasized).
To view an archive of past FDA news releases, go to
To access the RSS feed of FDA news releases, go
to
http://www.fda.gov/bbs/topics/news/rssPress.xml.
[What is an RSS feed? See http://www.fda.gov/bbs/topics/news/newsfeeds.html.]
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RECALLS/SAFETY
ALERTS
› FDA has a special page that lists
the latest information on brands of toothpaste being recalled due to the presence of a poisonous chemical, diethylene glycol.For a list of recalls, market withdrawals, and safety
alerts involving
FDA-regulated
products from the past 60 days, go to http://www.fda.gov/opacom/7alerts.html.
To access the RSS feed of FDA recalls information, go
to
http://www.fda.gov/oc/po/firmrecalls/rssRecalls.xml
[What is an RSS feed? See http://www.fda.gov/bbs/topics/news/newsfeeds.html.]
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UPCOMING PUBLIC MEETINGS
July 17 -- Orthopaedic and Rehabilitation Devices Panel of the Medical Devices Advisory Committee
Under discussion: pending application for cervical disc prosthesis
Location: Gaithersburg, Md.
http://www.fda.gov/OHRMS/DOCKETS/98fr/E7-10267.htm
July 24 -- Oncologic Drugs Advisory Committee
Under discussion: two pending drug approval applications
Location: Rockville, Md.
http://www.fda.gov/OHRMS/DOCKETS/98fr/E7-11496.htm
July 26 -- Cellular, Tissue, and Gene Therapies Advisory Committee
Under discussion: updates on two research programs
Location: Bethesda, Md.
http://www.fda.gov/OHRMS/DOCKETS/98fr/E7-11728.htm
For a complete list of FDA meetings, seminars, and other public events, go to
http://www.fda.gov/opacom/hpmeetings.html.
What's
the difference between viruses and
bacteria?
There are many
differences. Viruses are the smallest and simplest life form known. They
are 10 to 100 times smaller than bacteria. The biggest difference between
viruses and bacteria is that viruses must have a living host -- like a plant or animal -- to multiply, while most bacteria can grow on
non-living surfaces.
Also, unlike bacteria, which
attack the body like soldiers mounting a battle, viruses are guerilla
fighters. They don't attack so much as infiltrate. They literally invade human
cells and turn the cell's genetic material from its normal function to producing
the virus itself.
In addition, bacteria carry all the machinery needed for their growth and multiplication, while viruses carry mainly information -- DNA or RNA, for example. Viruses harness the host cell's machinery to reproduce. In a sense, viruses are not truly "living," but are essentially information floating around until encountering a suitable living host.
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