The FDA Is Evading the Law

The FDA Is Evading the Law

This year, the Food and Drug Administration rejected the only medicine capable of treating the rare and fatal lung disease known as idiopathic pulmonary fibrosis. Pirfenidone, which has been available in Japan since 2008 and was just approved in Europe, was spurned by the FDA because the drug only showed efficacy in a single big trial–not the two large studies the FDA now requires. The decision to ban the drug is one of a rash of recent decisions that shows the FDA is making it more and more difficult for promising drugs to reach severely ill patients.

Last week, the FDA revoked an approval for the cancer drug Avastin because it said that evidence supporting its use in breast cancer wasn’t strong enough. (The drug was judged ineffective because it merely stalls the spread of tumors.) European regulators, looking at the same data, made the opposite decision.

It wasn’t supposed to be this way. In 1997, Congress passed the FDA Modernization Act, which gave the FDA broad discretion to reduce the quantity and rigor of clinical data needed to approve drugs targeting grave illnesses. The purpose of the law was to save lives by reducing the cost and time needed to launch such medicines.

But the FDA has steadily disregarded many of the law’s provisions. Longer, larger trials that require drug makers to evaluate “hard” endpoints (like how long a cancer patient lives) rather than “surrogate” endpoints (like a drug’s ability to shrink tumors) give FDA reviewers more statistical confidence. Reviewers prefer these drawn-out trials because they insulate the FDA from critics who say that it isn’t focused enough on safety. But bigger trials increase the time needed to develop a drug, keeping it out of the hands of patients.

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