Therapeutic efficacy of its parent molecule HAMLET (Human Alpha‐lactalbumin Made LEthal to Tumor cells) has been documented in animal models of colon cancer, bladder cancer and glioblastoma, and clinical effects have been reported in patients with bladder cancer or skin papillomas.12, 13, 14, 15, 16, 17. This evidence concerns the gene LALBA and urinary bladder carcinoma.