. . . . "investigational"@en . "Investigated for use/treatment in adverse effects (chemotherapy)."@en . . . . . "RK-0202"@en . "A substance that is being studied in the prevention of oral mucositis in patients receiving radiation therapy or chemotherapy for head and neck cancer. It is an oral polymer matrix-based rinse formulation that contains N-acetylcysteine, an antioxidant amino acid derivative with antiinflammatory properties."@en . "RK-0202, an oral rinse for the prevention and treatment of mucositis, is based on the company's ProGelz technology and is comprised of the potent antioxidant N-acetylcysteine in a polymer matrix."@en . .