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Biotech / Medical : Agouron Pharmaceuticals (AGPH)

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To: Larry Liebman who wrote (1914)9/30/1997 4:22:00 AM
From: Henry Niman   of 6136
 
Larry, Here's what Reuter's said about the MS downgrade:

LOS ANGELES, Sept 29 (Reuter) - Montgomery Securities analyst David Crosson
Monday downgraded Agouron Pharmaceuticals Inc to a hold from a buy, citing
new research suggesting the benefits of its Viracept AIDS drug may be
limited.

Viracept belongs to a class of AIDS drug known as protease inhibitors, which
have in the past year become a cornerstone of the most aggressive AIDS
therapies.

But Crosson, who spoke from a research meeting in Toronto, cited new studies
suggesting there may be a high failure rate of protease inhibitors in
patients who were in an advanced stage of the disease.
Crosson also cited a new study by Agouron showing patients who take Viracept
frequently develop a cross-resistance to other protease inhibitors. These
findings appeared to contradict earlier studies showing Viracept was less
likely than other protease inhibitors to be associated with cross resistance.

The drug's cross-resistance profile is key since patients usually develop a
resistance to AIDS drugs after prolonged use and then need to switch to
another brand.

14:24 09-29-97
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