NuCana plc, a clinical-stage biopharmaceutical company, engages in the development of medicines to treat patients with cancer. It applies its ProTide technology to transform prescribed chemotherapy agents and nucleoside analogs into medicines. The company is developing medicines to overcome the limitations of nucleoside analogs and generate anti-cancer metabolites in cancer cells. Its pipeline includes NUC-3373, a chemical entity derived from the nucleoside analog 5-fluorouracil that is in Phase 1b/2 study in patients with metastatic colorectal cancer; Phase 2 clinical trial for the second-line treatment of patients with advanced colorectal cancer; and Phase 1 modular clinical trial for patients with advanced solid tumors and lung cancer.