Date	Event	Description
19 August 2009	New search has been performed	This updates the review "Cysteine, cystine or N‐acetylcysteine supplementation in parenterally fed neonates" published in the Cochrane Database of Systematic Reviews, Issue 4, 2006 (Soghier 2006a). Updated search conducted in August 2009 did not identify any new completed studies. One ongoing study was identified in Clinicaltrials.gov. The background in the Abstract and in the text was amended based on new information on cysteine in very low birth weight infants (Riedijk 2007; Riedijk 2008). Amendment made to text at the end of 'Types of outcome measures' section.