SCG101, an autologous T-cell receptor (TCR) T cell therapy, is an investigational cell therapy product targeting a specific epitope of hepatitis B surface antigen (HBsAg). Utilizing SCG's proprietary GianT^TM technology, high affinity and high avidity natural TCRs can be identified against intracellular antigens presented through major histocompatibility complex (MHC) in solid tumours.