PERTH, Australia – Mesoblast Ltd. inked an exclusive global licensing deal with Novartis AG for the development, manufacture and commercialization of Mesoblast’s mesenchymal stromal cell product remestemcel-L, with an initial focus on the acute respiratory distress syndrome, including that associated with COVID-19, just six weeks after the FDA issued a complete response letter for the therapy as a treatment for steroid-refractory acute graft-versus-host disease.