7 Updating the guideline
NICE clinical guidelines are updated as needed so that recommendations take into account important new information. We check for new evidence 2 and 4 years after publication, to decide whether all or part of the guideline should be updated. If important new evidence is published at other times, we may decide to do a more rapid update of some recommendations.
Sections 1.2 and 1.1.7 were updated in 2014 and section 1.1.1 was updated in 2015.