Short- and Long-term Efficacy and Safety of Levosimendan in Veno-arterial Extracorporeal Membrane Oxygenation Weaning: The WEANILEVO Randomized Double-blind Multicenter Trial

AnesthesiologyPublished Randomised controlled trial

Primary resultResult — go to the resultOdds ratio 1.00 95% CI 0.36–2.75

Authors' conclusion

Levosimendan administration did not reduce VA-ECMO weaning failure in patients who already met weaning criteria; however, a clinically important benefit or harm cannot be ruled out.

Study context

Population
Patients on veno-arterial extracorporeal membrane oxygenation (VA-ECMO) meeting weaning criteria, 5 French centresmodified ITT analysis
Participants
80 patients
Comparison
Levosimendan vs placebo for 24 h
  • Levosimendann = 40
  • Placebon = 40reference
Primary endpoint
VA-ECMO weaning failure (no weaning within 48 h, another circulatory assistance device, or death within 7 days of weaning)
Methodological detailsmulticentre, double-blind, parallel-group, placebo-controlled, Planned sample size not reached
  • Multicentre
  • Double-blind
  • Parallel-group
  • Placebo-controlled
  • Planned sample size not reached

Primary result

As reported in the abstract

Odds ratio

1.00

95% CI 0.36–2.75

P = 1.00

By group

Levosimendan vs Placebo
OR 1.00 (95% CI 0.36–2.75); P = 1.00

Further findings

Vasopressor support required

P = 0.07

OutcomeP value
ICU LOSP = 0.02
Mortality · 30 daysP = 0.07
Mortality · 1 yrP = 0.08

Safety

OutcomeLevosimendanPlaceboOR (95% CI)P value
AKI · day 3062.5%38.5%2.67 (1.08–6.62)P = 0.03

Original publication

Short- and Long-term Efficacy and Safety of Levosimendan in Veno-arterial Extracorporeal Membrane Oxygenation Weaning: The WEANILEVO Randomized Double-blind Multicenter Trial. Anesthesiology. Published 8 May 2026. doi:10.1097/aln.0000000000006143

Composed by AI from the published abstract and checked against it. How Briefs are made →

Get them every week

New studies on this topic in My Week and in your Monday e-mail.

We e-mail you a sign-in link and a code. No password, no spam.