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Carl Hennigan

👤 Person
978 total appearances

Appearances Over Time

Podcast Appearances

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

and ramping up the evidence and production of evidence.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

And so we've seen very helpful guidance come out from NICE on managing and keeping patients in the community, and particularly the helpful advice about viral and bacterial pneumonia and what to do.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

And I think what we'll do is it'll be helpful to put the link to that at the end on the page for the podcast today.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

Well, you know, listeners to this podcast will know I'm tortured by bias.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

And one of the most red pages on our catalogue of bias is hot stuff bias.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

When a topic is fashionable, hot, investigators may be less critical in their approach to their research and investigators and editors may not be able to resist the temptation to publish the results.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

chloroquine is right in the hot stuff bias.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

And it's really important and very interesting that we understand what's going on.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

And this will be a seminal case where we'll start to understand how everybody got on the sort of bandwagon cause a little bit of evidence in vivo appeared.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

And from there we had a small trial that was so flawed it should have never got published, should have been assigned to the bin.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

And what Robin's alluding to is, oh boy, do we need these proper trials done well.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

But the problem is, is if you go into some places like China, you can't do it now because their pandemic's over.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

So you have to be prepared and do it well.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

The second point I wanted to make is,

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

I've been in contact with a colleague of mine, Tom Jefferson, who probably has done the most systematic reviews on influenza, respiratory infections and antivirals in the world.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

And he pointed to me to a review that was actually stopped in 2001, which was about looking at treatments for the common cold.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

Believe it or not, there used to be a medical research council's common cold unit in the UK that ran over a thousand studies between 1946 and 89.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

And then we shelved all that research because of issues like HIV and other emerging diseases.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

So I think there's lots to be learned in looking backwards, trying to look at some of the treatments that have been used before and then ensuring we properly trial them.

Talk Evidence
Talk Evidence covid-19 update - hydroxy/chloroquinine, prognostic models and facemaskss

I'm not even sure this is waste.