NAION becomes new challenge for Anti Impotence Drug’s Manufacturers

Released on = June 29, 2005, 11:48 pm

Press Release Author = Richard Gary

Industry = Pharmaceuticals

Press Release Summary = FDA spokeswoman said, "The FDA has 43 reports of NAION among the impotence-drug users: 38 for Viagra, four for Cialis and one for Levitra".

Press Release Body = NAION (Non-arteritic Ischemic Optic Neuropathy) is an ischemic
process, stroke-like damage to the optic nerve that blocks the blood flow which
results into permanent blindness. This condition of vision loss can be partial or
complete.

In United States of America, approximately 6000 American get affected each year with
NAION and the symptom like painless swelling of the optic nerve appears before
losing the vision. Commonly, blindness occurs due to diabetes, macular degeneration,
glaucoma, trachoma, cataracts.

In United States, some cases of NAION have been reported after using anti-impotence
drugs such as Viagra, Cialis, and Levitra. All these drugs are being scrutinized and
FDA is investigating the reports of those men who have been affected after taking
the anti-impotence drugs.

Dr. Howard D. Pomeranz, from the University of Minnesota in Minneapolis said, "NAION
is a much more serious condition because it can lead to permanent vision loss and at
this point, there are not enough data to support performing an ophthalmologic exam
on every patient being considered for Viagra treatment.” Still, he said that doctors
prescribing the drug should be aware of the association with NAION and consider an
exam for patients with several heart disease risk factors.

FDA spokeswoman said, "The FDA has 43 reports of NAION among the impotence-drug
users: 38 for Viagra, four for Cialis and one for Levitra".

Due to this sudden side effect, Cialis by Eli Lilly & ICOS has added a note to the
drug's label for awareness and FDA has asked Pfizer to do the same.

John P. Mulhall, Director of the Sexual Medicine Program expressed that it is
entirely feasible that men who are at risk for Naion are at risk for erectile
dysfunction and, in fact, are the people most likely to be using Viagra.

Blurred Vision for time being is the common side effect of Viagra, Cialis and
Levitra which occurs after taking these pills.

The updated investigation reveals that this may occur in those men who are diabetic
or heart patients. Viagra, Levitra, and Cialis all basically work the same way by
enhancing and maintaining the blood flow to the penis hence millions of men find
these drugs useful.

FDA is taking this issue very seriously and is in discussions with three giants
companies of anti-impotence drugs (Viagra, Cialis and Levitra) about the standard
and class of these medications. FDA is probing all these drug companies and these
drugs are under consideration. However, no evidence has been found that could
indicate the relationship between ED pills and cases of NAION.

Viagra - Pfizer spokesman, Daniel Watts said, "Viagra has been used by 23 million
men and 103 clinical trials of Viagra have not had any reports of NAION. We would
say that there does not appear to be sufficient evidence to suggest a single
identifying association of these events with Viagra therapy,” says Watts. “We rest
with all the data and will continue to monitor the database.”

This becomes new challenge for ED drug manufacturers as Viagra – a leading worldwide
anti-impotence drug of Pfizer, Cialis – Eli Lilly ICOS, Levitra - GlaxoSmithKline
and Schering Corporation are already in competition. Due to recent vision losing
reports, it affects the stock exchange of New York and the shares of Pfizer closed
down 55 cents, or 1.9 percent, at $28.35. Cialis, which is made by Eli Lilly & Co.
Lilly, shares lost 5 cents to $59.05.

This news release is entirely a personal opinion. It should not be misconstrued as a
medical advice. For additional information on the news that is the subject of this
release (or for a sample, copy or demo), contact webmaster@cialismagic.com or visit
www.cialismagic.com.

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