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Saturday, October 31, 2020

In reversal, White House approves stricter guidelines for vaccine makers

On Tuesday evening, President Donald Trump acknowledged in a tweet that the new guidelines would make vaccine authorization before Nov. 3 unlikely. “Just another political hit job!” he said, tagging Dr. Stephen M. Hahn, the FDA commissioner.

By: New York Times | October 7, 2020 9:32:27 am
Coronavirus vaccine, Vaccine makers, US guidelines for vaccines, US stricter guidelines for vaccine makers, FDA, donald trump, world newsFour vaccines have reached the final stage of testing, known as a Phase 3 trial, in the United States. (File)

Written by Carl Zimmer and Noah Weiland

The Food and Drug Administration released new guidelines Tuesday for coronavirus vaccine developers — a step that had been held up for two weeks by top White House officials. The guidelines make it highly unlikely that a vaccine could be authorized by Election Day.

The move, which was cleared by the White House’s Office of Management and Budget, appeared to be an abrupt reversal a day after The New York Times reported that White House officials, including Mark Meadows, the chief of staff, were blocking the guidelines. Top FDA officials were caught by surprise when they learned midafternoon that the new guidelines had been cleared.

The new recommendations, which do not carry the force of law, call for gathering comprehensive safety data in the final stage of clinical trials before an emergency authorization can be granted.

On Tuesday evening, President Donald Trump acknowledged in a tweet that the new guidelines would make vaccine authorization before Nov. 3 unlikely. “Just another political hit job!” he said, tagging Dr. Stephen M. Hahn, the FDA commissioner.

The guidance was formally published hours after the FDA had quietly released the information at the end of a document prepared for an upcoming meeting of its vaccine advisory committee.

Since the start of the coronavirus pandemic, the FDA has said that it has been seeking ways to accelerate the development of vaccines without sacrificing safety. In June, the agency released an initial set of guidelines to give vaccine developers a better idea of how the FDA would decide if a vaccine were acceptable, either for an emergency use authorization or for a full license.

Four vaccines have reached the final stage of testing, known as a Phase 3 trial, in the United States. A fifth is expected to start this month. Trump has repeatedly suggested that a vaccine would be ready by Election Day, if not before.

But with opinion polls showing public confidence declining about what could be a rushed coronavirus vaccine, the FDA submitted a new set of guidelines to the White House for approval on Sept. 21, attempting to assure companies developing vaccines that they were being held to a common standard and to boost public confidence in the process.

Among the recommendations, the agency advised vaccine makers to follow volunteers for a median of two months after the final dose. The FDA also expected vaccine makers to document five cases of severe infection in people who received the placebo instead of the vaccine.

The FDA submitted the guidelines to the Office of Management and Budget for approval more than two weeks ago, but they stalled in part because of Meadows’ involvement, according to a senior administration official and others familiar with the situation.

The White House objected that the guidelines would add unnecessary burdens on vaccine makers. In a conversation with Hahn days after the guidelines were submitted, Meadows said the recommendations amounted to changing the rules on drugmakers in the throes of clinical trials, according to one senior administration official. He also suggested that Hahn was overly influenced by the career scientists who had drafted the document, the official said.

Trump administration officials have the authority to intervene with such nonbinding documents, partly because of a 2019 executive order that tightened restrictions over their issuance.

The FDA, however, continued to share parts of this guidance with vaccine developers in letters to the companies.

“We’ve made it clear that we want to see a median of about two months of follow-up for any of the vaccines that comes in,” Dr. Peter Marks, the FDA’s top regulator for vaccines, said in an interview on YouTube on Friday.

In a statement Tuesday, the drug industry’s largest trade group, the Pharmaceutical Research and Manufacturers of America, said it supported the new guidelines.

“We have engaged with the agency to support bringing greater transparency to the review process for COVID-19 vaccines,” the statement said. “We welcome the agency’s efforts to instill confidence in the rigorous safety of these potential vaccines.”

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