Answer
Premature lungs may not produce enough surfactant to keep their air sacs open. Poractant alfa replaces this deficiency and supports breathing and gas exchange.
Sources for this answer
- Curosurf — Current selected SmPCemc · Summary of Product Characteristics
- NHSNHS · NHS medicine guidance
General medicine information. Follow the instructions for your own medicine and speak to a pharmacist or clinician about your individual circumstances.