PureTech Health PLC - Boston, Massachusetts-based clinical-stage biotherapeutics firm - Begins late-stage clinical study of its wholly-owned candidate LYT-100, or deupirfenidone, in idiopathic pulmonary fibrosis. Will evaluate efficacy of two doses, as well as relative tolerability and efficacy with pirfenidone. IPF is a chronic condition causing progressive scarring of the lungs, which currently has a poor prognosis. Also advances LYT-200 programme through clinical development, and plans to begin leukemia study by the end of 2022.

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