A Bulgarian scientist has developed a drug that halts the growth of cancer and prevents metastases from spreading to other organs. Assoc. Prof. Dr. Zdravka Medarova , a leading figure in modern RNA-based medicine, has been at the forefront of this research. Her drug is designed to specifically target tumor cells and their scattered counterparts throughout the body, offering a new approach to combatting the disease. Preclinical studies in animals have shown promising results, and the treatment