Proteostasis Therapeutics, Inc. (NASDAQ: PTI), a clinical stage biopharmaceutical company dedicated to the discovery and development of groundbreaking therapies to treat cystic fibrosis (CF), today announced positive, initial ex-vivo results of PTI’s proprietary cystic fibrosis transmembrane conductance regulator (CFTR) modulators, PTI-801, PTI-808, and PTI-428,
December 11, 2019
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