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A U.S. Food and Drug
Administration advisory panel has voted 5-to-4 against American
Home Products Corp.'s proposal to change the approved regimen
for its transplant immunosuppressive drug Rapamune.
The FDA in 1999 approved
marketing Rapamune for helping prevent rejection of transplanted
kidneys. The approved treatment calls for Rapamune to be used
with together with the drug cyclosporine and with corticosteroids.
American Home
Products is seeking to change the label to recommend withdrawal
of cyclosporine after two to four months, and submitted studies
showing that eliminating cyclosporine resulted in better kidney
function after one year.
But a narrow
majority of members of the advisory panel concluded that the data
did not satisfactorily prove that the new regimen was safe and
effective.
Dr. Joseph
Camardo, a Wyeth-Ayerst senior vice president, said the company
would continue discussions with FDA officials, and said it was
unclear whether the FDA would follow the recommendation of its
advisory committee. Obtaining an FDA-approved label change would
allow the company to market the new regimen to doctors.
Other
sources: FDA, Wyeth-Ayerst
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