miRagen Announces Encouraging Preclinical Safety and Efficacy Data for its Next-generation miR-29 Replacement Product Candidate Intended for the Treatment of Idiopathic Pulmonary Fibrosis
BOULDER, Colo., June 22, 2020 (GLOBE NEWSWIRE) -- miRagen Therapeutics, Inc. (NASDAQ: MGEN), a clinical-stage biopharmaceutical company focused on the discovery and development of RNA-targeted therapies, today announced preclinical safety and efficacy data for MRG-229, a next-generation miR-29 mimic intended for systemic administration and targeted delivery, in Idiopathic Pulmonary Fibrosis? (IPF).
“MRG-229 has demonstrated mechanistic biomarker regulation and antifibrotic activity in vitro using human model systems. In addition, subcutaneous administration of the product candidate induced the reversal of pathologic fibrotic gene expression and resulted in a significant reduction of fibrosis in the most commonly employed pre-clinical animal model of pulmonary fibrosis. Finally, high doses of MRG-229 in preclinical toxicology studies in rats showed no clinically significant toxicity,” stated William S. Marshall, Ph.D., President and Chief Executive Officer of miRagen Therapeutics. “We believe this body of evidence supports further development of MRG-229 as a potentially differentiated approach for the treatment of IPF.”
“In our recently published analysis of fibrosis progression in the human lung, miR-29 emerged as a key regulator of fibrotic pathways in IPF,” said Naftali Kaminski, M.D., Boehringer-Ingelheim Endowed Professor of Internal Medicine, Chief of Pulmonary, Critical Care and Sleep Medicine at Yale School of Medicine, and the principle investigator on NIH-NHLBI CADET grant focusing on mir-29 therapeutics in pulmonary fibrosis. “The most recent data, generated as part of our collaboration with miRagen and supported by an NIH CADET grant, is encouraging and suggests that miR-29 replacement may represent a novel paradigm in the treatment of IPF.”
A summary of the latest preclinical observations:
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