Date	Event	Description
16 April 2012	Amended	Change of contact person only.
7 December 2010	Amended	Contact details updated.
5 November 2009	New citation required but conclusions have not changed	Two new trials included; no change to conclusions.
17 August 2009	New search has been performed	This review updates the review "Caffeine versus theophylline for apnea in preterm infants", published in the Cochrane Database of Systematic Reviews, Issue 1, 2003 (Steer 2003). Updated search August 2009 identified two new trials for inclusion. No change to conclusions.
14 October 2002	New search has been performed	This review is an update of the existing review: Steer P, Henderson‐Smart D. "Caffeine versus theophylline for apnea in preterm infants" published in The Cochrane Library, Issue 2, 1998. In an updated and extended search to October 2002, four potentially eligible studies were identified: two were excluded (Dani, Zanardo) and two are awaiting assessment (Fang, Laubscher). This update does not include any new studies.
13 February 1998	New citation required and conclusions have changed	Substantive amendment