Date	Event	Description
30 September 2015	New citation required but conclusions have not changed	In this update, the conclusions remain largely the same, although there is now more evidence to suggest that hypnosis may result in less use of pharmacological pain relief or analgesia.
30 September 2015	New search has been performed	Search updated. Two trials have been included (Downe 2015; Werner 2013) and one trial (previously awaiting assessment) has now been excluded (Hao 1997) in this update. Methods updated to incorporate a 'Summary of findings' table and comparisons restructured to include separate comparisons for the different types of control group (all types of control; standard care; supportive counselling; relaxation).