Korsana Biosciences Inc is a biopharmaceutical company developing therapeutics to treat neurodegenerative diseases beginning with Alzheimer's disease (AD. The company's flagship product candidate, KRSA-028, is an anti-amyloid beta antibody that combines the proprietary Therapeutic Targeting (THETA) platform with well-validated aspects from other anti-Ab products that have achieved regulatory approval or are in late-stage clinical trials.