As of November 3, 2023, Frequency Therapeutics, Inc. was acquired by Korro Bio, Inc., in a reverse merger transaction. Frequency Therapeutics, Inc., a clinical-stage biotechnology company, focuses on developing therapeutics to activate a person's innate regenerative potential to restore function. Its Progenitor Cell Activation approach uses small molecules to activate progenitor cells within the body to create functional tissue. The company's lead product candidate is FX-322, which is in Phase IIb clinical trial to treat the underlying cause of sensorineural hearing loss. It is also developing medicines for patients across a range of degenerative conditions, including multiple sclerosis, and diseases of the muscle, gastrointestinal tract, skin, and bone. The company has a license and collaboration agreement with Astellas Pharma Inc. for the development and commercialization of FX-322, as well as collaboration and licensing agreements with Massachusetts Eye and Ear, the Massachusetts Institute of Technology, and The Scripps Research Institute. Frequency Therapeutics, Inc. was incorporated in 2014 and is headquartered in Lexington, Massachusetts.