PCI Biotech Holding ASA, a biopharmaceutical company, focuses on the development of technologies and novel therapies through its photochemical technology platform. The company's technology platform consists of a proprietary small molecule photosensitiser and a light source; and develops photochemical lysis (PCL) comprising light-triggered cell lysis, which enhances yield and purity in viral vector manufacturing, as well as photochemical internalisation (PCI), inducing light-triggered intracellular release for various therapeutic modalities. It also explores for intratumoural immunotherapy therapeutics that identifies novel treatment combinations to overcome resistance to immune-checkpoint inhibitors and safety-issues associated with treatments; and develops nucleic acid therapeutics to improve the treatment of dermatological diseases. PCI Biotech Holding ASA was incorporated in 2007 and is headquartered in Oslo, Norway.