Scientist Who Cited Drug's Risks Is Barred From F.D.A. Panel

: "Scientist Who Cited Drug's Risks Is Barred From F.D.A. Panel

Scientist Who Cited Drug's Risks Is Barred From F.D.A. Panel

Published: November 13, 2004

The Food and Drug Administration has told a researcher that he cannot be part of an advisory panel that will meet early next year to review the safety of a class of drugs, COX-2 inhibitors, used to treat arthritis and pain. The reason, the agency said, is he publicly stated that he thought one of these drugs caused heart problems and that Pfizer, its maker, knew that and was covering it up.

The scientist, Dr. Curt D. Furberg, a professor of public health sciences at Wake Forest University School of Medicine in Winston-Salem, N.C., was not barred forever from the panel, an F.D.A. spokeswoman said. Instead, Dr. Furberg was asked not to participate when it took up an issue in which he was seen to have an intellectual conflict of interest.

"This is a routine procedure," said Victoria Kao, the spokeswoman. "They look at the members that will make up the committee, and they review them for each case to see whether they have a conflict of interest, financial or intellectual."

In September, Merck announced that it was withdrawing its COX-2 inhibitor, Vioxx, from the market after a clinical trial it was conducting showed an increased risk of heart attacks and strokes when patients took it for 18 months or longer. That raised questions about similar drugs made by Pfizer, Celebrex and Bextra, and the F.D.A. panel was charged with reviewing what is known about them.

The Vioxx findings were based on the strongest evidence - a clinical trial comparing the drug with a placebo. But no such evidence on heart attacks and strokes has been reported for Celebrex and Bextra.

There is, however, a scientifically weaker study, pooling data from 12 clinical trials, that Dr. Furberg and Dr. Garret A. FitzGerald, a cardiologist and pharmacologist at the University of Pennsylvania, completed recently. "Basically, we showed that Bextra is no different than Vioxx, and Pfizer is trying to suppress that information,'' Dr. Furberg told The New York Times this week.


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