Adaptimmune Therapeutics plc, a clinical-stage biopharmaceutical company, focuses on providing novel cell therapies primarily to patients with solid tumors in the United States and the United Kingdom. The company’s specific peptide enhanced affinity receptor (SPEAR) T-cell platform enables it to identify cancer targets. It is developing ADP-A2M4 that is in phase II clinical trials with SPEARHEAD-1 for synovial sarcoma and myxoid round cell liposarcoma indications (MRCLS); in phase II clinical trials with SPEARHEAD-2 for patients with head and neck cancer; and in phase I clinical trials for urothelial, melanoma, head and neck, ovarian, non-small cell lung, esophageal and gastric, synovial sarcoma, and MRCLS cancers. The company is also developing ADP-A2AFP, which is in phase I clinical trials for hepatocellular carcinoma; and ADP-A2M4CD8, which is in phase I clinical trial for SPEAR T-cells focusing on treating patients with lung, gastroesophageal, head and neck, and bladder cancers. It has a collaboration and license agreement with GSK; third party collaborations with Noile-Immune Biotech Inc., Alpine Immune Sciences, Inc., and National Center for Cancer Immune Therapy in Denmark; strategic alliance agreement with the MD Anderson Cancer Center; and co-development and co-commercialization agreement with Universal Cells, Inc. The company was founded in 2008 and is headquartered in Abingdon, the United Kingdom.