Coastar Therapeutics is a San Diego based company developing in vivo systemic and redosable gene delivery technology based on purified cell membrane as gene carrier. Coastar's mission is to break the delivery bottleneck that's limiting the potential of cell and gene therapy. Coastar is a resident at Johnson & Johnson's JLABS, NYU Endless Frontier Labs, Best Startup Nominee by Prix Galien USA, and named one of the Cool Companies 2025 by Connect Foundation.