Chemotherapy, Explained: Five Ways to Stop a Cancer Cell

Five major mechanisms, their tradeoffs, and why older drugs still shape the economics of cancer care. Chemotherapy isn't one drug. It's a toolkit that interferes with how cancer cells copy DNA and divide. We draw five major groups: alkylating agents, platinum drugs, antimetabolites, topoisomerase inhibitors and microtubule drugs. We explain why healthy tissues can be affected, the different goals of treatment, and why a low-cost generic vial doesn't mean low-cost care. ⏱ Chapters 0:00 Not one treatment 0:17 Why healthy tissues are affected 0:48 Five major groups 1:47 Combinations, dosing and goals 2:22 The business: generics, baselines and the whole pathway 3:09 The takeaway 📚 Sources (accessed October 7, 2026) National Cancer Institute: Chemotherapy to treat cancer: https://www.cancer.gov/about-cancer/t... NCI Drug Dictionary (cyclophosphamide, cisplatin, oxaliplatin, fluorouracil, gemcitabine, irinotecan, etoposide, taxanes, vinca alkaloids): https://www.cancer.gov/publications/d... The five groups are a practical overview, not a complete classification. The business section is editorial analysis.