Rein Therapeutics, Inc. is a clinical stage biopharmaceutical company, which engages in the development and commercialization of a novel class of therapeutics for the treatment of cancer and other diseases. The company is headquartered in Austin, Texas and currently employs 11 full-time employees. The company went IPO on 2017-06-29. The firm's lead product candidate, LTI-03 (idiopathic pulmonary fibrosis), is a novel, synthetic peptide with a dual mechanism targeting alveolar epithelial cell survival as well as inhibition of profibrotic signaling. Its second product candidate, LTI-01, is a proenzyme that has completed Phase 1b and Phase 2a clinical trials for the treatment of loculated pleural effusions. LTI-01 has received Orphan Drug Designation in the United States and European Union and Fast Track Designation in the United States. Its pipeline also includes LTI-05 (cystic fibrosis).