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Byline: GLORIA LAU
The fight against cancer has taken plenty of turns through the years. One thing has remained constant, however: there's still no cure.
Targeted drugs don't cure cancer, either. But they do have at least one advantage over treatments such as chemotherapy: they fight the disease without harming nearby healthy cells. In some cases they've prolonged lives or shrunk deadly tumors.
Over recent months, several new cancer drugs have won approval from the Food and Drug Administration.
In May, Millennium Pharmaceuticals Inc. got FDA approval to start marketing Velcade, its drug for multiple myeloma patients who've received at least two prior failed treatments.
Last year's list of approvals included Novartis AG's Gleevec for leukemia and Zometa for prostate and bone cancer; AstraZeneca PLC's Iressa for lung cancer and Arimdex and Faslodex for breast cancer; and Sanofi Synthelabo's Eloxatin for colon and rectal cancers.
More drugs are on the way. The current drug pipeline includes Genentech Inc.'s Avastin; Cell Therapeutics Inc.'s Xyotax for lung and ovarian cancer; and OSI Pharmaceuticals' Tarceva for lung and pancreatic cancer.