The CODES trial is a randomised controlled trial funded by the National Institute for Health Research, UK.

It has been designed to find out whether adding in cognitive behavioural therapy to standardised medical care as a treatment for dissociative seizures provides a better outcome for patients compared to standardised medical care alone

The trial is registered at the International Standard Randomised Controlled Trials Network at http://www.controlled-trials.com/ISRCTN05681227/

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