Triple-action therapy drug amivantamab could be given as an injection to help treat recurrent or metastatic cancers Triple-action therapy drug amivantamab could be given as an injection to help treat recurrent or metastatic cancers Doctors have hailed “incredibly encouraging” trial results that show a triple-action smart jab can shrink tumours in head and neck cancer patients within six weeks. Head and neck cancer is the world’s sixth most common form of the disease. If it spreads or comes back