Dr. Thébaud is a physician-scientist focused on finding treatments for lung diseases in babies. His research contributions include several discoveries: (i) Mesenchymal stromal cells isolated from the umbilical cord to prevent lung damage. A clinical trial is now studying if this can improve the health of preterm babies; (ii) The role of endothelial progenitor cells (stem cells lining the inner wall of blood vessels) to promote lung growth and their therapeutic potential to attenuate pulmonary hypertension (high blood pressure in the lungs), complicating many lung diseases in babies; (iii) A gene therapy to treat lethal genetic lung diseases in babies.