Overview Comparison of Aerosol Delivery of Infasurf to Usual Care in Spontaneously Breathing RDS Patients Status: Completed Trial end date: 2018-07-31 Target enrollment: Participant gender: Summary Study to test the hypothesis that aerosolized Infasurf can decrease the need for intubation and instillation of liquid surfactant to the airway. Phase: Phase 3 Details Lead Sponsor: ONYCollaborator: AHRMTreatments: Calfactant