Introduction Etoposide is a semisynthetic podophyllotoxin derivative widely used as an antineoplastic agent in the treatment of various solid tumors and hematological malignancies. It is a cell cycle–specific drug, acting primarily during the S and G₂ phases. Etoposide is high-yield for pharmacology and oncology examinations due to its unique enzyme target, characteristic DNA damage mechanism, … Read more
Introduction Capecitabine is an oral prodrug of 5-fluorouracil (5-FU) widely used in the treatment of breast cancer, colorectal cancer, and gastric cancers. Designed for tumor-selective activation, it delivers higher concentrations of active 5-FU to tumor cells while reducing systemic toxicity. The Mechanism of Action of Capecitabine centers on its stepwise conversion into 5-FU inside tumor … Read more
Introduction 5-Fluorouracil (5-FU) is an antimetabolite chemotherapeutic drug used in the treatment of various solid tumors, including colorectal, breast, head and neck, and gastrointestinal cancers. Mechanism of Action of 5-Fluorouracil centers on its ability to inhibit DNA and RNA synthesis, leading to impaired cell proliferation. As a pyrimidine analog, 5-FU interferes with rapidly dividing cancer … Read more
