Avidity Biosciences, Inc.
Biotechnology ResearchCalifornia, United States201-500 Employees
Avidity Biosciences, Inc. is a mid-sized biotechnology company based in San Diego, California, focused on advancing RNA-based therapeutics. It is developing a platform designed to deliver oligonucleotide therapies with tissue-selective targeting analogous to monoclonal antibodies, aiming to address genetic drivers of disease and improve delivery to affected tissues. Its work centers on muscular dystrophy and related neuromuscular diseases, with the investigational therapy del-zota (delpacibart zotadirsen) in development for Duchenne muscular dystrophy. In 2025, Avidity announced the launch of a Managed Access Program for del-zota, providing a pathway for patient access outside traditional clinical trials.