Chlamydia screening: messier and murkier

Over the past couple of decades, chlamydia screening has been discussed, started, changed, discussed, evaluated, disagreed with, and discussed again.

One thing I think has been missing is large scale Randomised Controlled Trials performed early on, and used to make cost-effective decisions.

Instead decisions have been made on trials that have now been decided as flawed, and last year the National Audit Office - Chlamydia testing ‘wasting money’ – concluded that millions have been wasted.

And this week the BMJ reports that screening for chlamydia with a single test doesn’t prevent pelvic inflammatory disease.  – Randomised controlled trial of screening for Chlamydia trachomatis to prevent pelvic inflammatory disease: the POPI (prevention of pelvic infection) trial

Obtaining more information will be nearly impossible – now that screening kits in GP surgeries are endemic, any more “pure” trials – where people are either screened as part of a study, or aren’t screened as part of a study, are going to be much harder to do.

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Margaret McCartney is a Glasgow-based GP and FT Weekend columnist. She started writing for the Life and Arts section in 2005 and moved to the magazine in 2008. She also has her own blog: www.margaretmccartney.com/blog

Clive Cookson has been a science journalist for the whole of his working life. He joined the FT in 1987. Clive, the FT's science editor, picks out the research that everyone should know about. He also discusses key policy issues, from R&D funding to science education.

Andrew Jack is pharmaceuticals correspondent, covering the industry and public health issues. He has been a journalist with the FT for 19 years, based in London, Paris and Moscow

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