March 23, 2019

The breakthough narrative

Clinical science stories are the opposite of most current events coverage: the good news is dramatic and has an army of publicists; the bad is slow and boring.

In September 2016 there was a flurry of news articles about a new candidate treatment for Alzheimer’s

In the Herald (from the Telegraph)

(from the Washington Post)

  • A glimmer of hope for an Alzheimer’s drug. An initial trial of an antibody therapy that targets Alzheimer’s disease has shown promising results and could signal a long-awaited breakthrough in treating the devastating brain disorder that affects millions.

Stuff (from the Telegraph)

TVNZ

Radio NZ

Now, in 2019, two large clinical trials were just stopped because the treatment didn’t work.  This sort of thing happens a lot; drug development is hard, especially when we don’t actually understand the disease very well.

The coverage of Alzheimer’s treatment candidates has two big problems, though. First, promising initial results are almost always oversold. Second, the failures usually aren’t covered, except perhaps in the business pages.

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Thomas Lumley (@tslumley) is Professor of Biostatistics at the University of Auckland. His research interests include semiparametric models, survey sampling, statistical computing, foundations of statistics, and whatever methodological problems his medical collaborators come up with. He also blogs at Biased and Inefficient See all posts by Thomas Lumley »

Comments

  • avatar
    Peter Davis

    This is what we have had to endure in the area of cancer treatment. If I had a few dollars for every time there is a “breakthrough” in cancer treatment, I would be a very rich man. Now it is Alzheimer’s! The cancer narrative will continue, and it is more insidious because the issue is not just loss of mind but loss of life – and there many families and patient groups hanging out for the treatment that will make the difference for them. Clinicians, scientists, media – all at fault! We need more authoritative sceptics like Thomas!

    6 years ago