Perbet 2014.

Methods	RCT. parallel‐group design. Multicentre study
Participants	Number of randomized participants: 80 Setting: four ICUs at 2 hospitals, France Inclusion criteria: mechanically ventilated patient ready for extubation Exclusion criteria: none reported
Interventions	Intervention group (HFNC): n = 40 Control group (standard oxygen therapy): n = 40 Both for 48 hours post‐extubation
Outcomes	All outcomes reported: lung ultrasound score, dyspnoea, post‐extubation distress incidence; treatment failure rate, mean time to reintubation; clinical respiratory variables; cardiovascular variable; ICU and hospital mortalities Outcomes relevant to this review: treatment failure rate; clinical respiratory variables; hospital mortality; dyspnoea
Notes	Contact: S. Perbet, University Hospital of Clermont‐Ferrand, ICU, Clermont‐Ferrand, France Currently published only as an abstract. We are awaiting publication of the full report in order to assess eligibility, collect sufficient study characteristics, and include data in the review.