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Proteostasis Therapeutics (PTI) Surges 50% on FDA Breakthrough Therapy Designation for PTI-428
March 13, 2018 9:05 AM EDTProteostasis Therapeutics (NASDAQ: PTI) surges 50% in pre-open trading after the company announced that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy Designation for PTI-428, the Companys cystic fibrosis transmembrane conductance regulator (CFTR) amplifier.
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