Free for Weaning ECMO vs Respiratory Driven Study

Inclusion Criteria: * Adult patients aged 18 years or older Patient whose trusted person has given consent for participation in the study * Patient on veno-venous ECMO with weaning criteria, including: * Resolution of the cause of ARDS * Absence of hemodynamic instability, defined as norepinephrine dose ≤ 0.5 μg/kg/min for at least 3 hours * Use of a ventilatory mode that allows spontaneous ventilation (VS-AI, BiPAP, or APRV) * Maximum inspiratory pressure ≤ 28 cm H2O, with a maximum driving pressure ≤ 15 cm H2O, enabling tidal volumes between 4 and 8 ml/kg of predicted body weight (PBW) * ECMO membrane sweep flow ≤ 2 L/min * Patient protected by social security Exclusion Criteria: * Contraindication to the placement of an esophageal pressure balloon (e.g., esophageal varices, nasal trauma, uncontrolled coagulopathy, severe thrombocytopenia), * Patient with treatment limitation at the time of inclusion, * Patient in the time frame of exclusion from another research protocol at the time of consent signing, * Vulnerable patients: minor, adult patient under guardianship or curatorship, patient deprived of liberty, pregnant or breastfeeding woman.