Steba Biotech is a company that provides therapeutic solutions for the treatment of cancers. It is engaged in research focusing on prostate cancer, oesophagus cancer, urothelial cell carcinoma, kidney cancer, triple-negative breast cancer, and pancreatic cancer. In addition, the company develops TOOKAD, a photosensitizer derived from palladium-substituted bacteriochlorophyll and used to treat prostate cancer.