History
See also: History of cancer chemotherapyThe history of doxorubicin can be traced back to the 1950s, when an Italian research company, Farmitalia Research Laboratories, began an organized effort to find anticancer compounds from soil-based microbes. A soil sample was isolated from the area surrounding the Castel del Monte, a 13th century castle. A new strain of Streptomyces peucetius, which produced a red pigment, was isolated, and an antibiotic was produced from this bacterium that was found to have good activity against murine tumors. Since a group of French researchers discovered the same compound at about the same time, the two teams named the compound daunorubicin, combining the name Dauni, a pre-Roman tribe that occupied the area of Italy where the compound was isolated, with the French word for ruby, rubis, describing the color. Clinical trials began in the 1960s, and the drug saw success in treating acute leukemia and lymphoma. However, by 1967, it was recognized that daunorubicin could produce fatal cardiac toxicity.
Researchers at Farmitalia soon discovered that changes in biological activity could be made by minor changes in the structure of the compound. A strain of Streptomyces was mutated using N-nitroso-N-methyl urethane, and this new strain produced a different, red-colored antibiotic. They named this new compound Adriamycin, after the Adriatic Sea, and the name was later changed to doxorubicin to conform to the established naming convention. Doxorubicin showed better activity than daunorubicin against murine tumors, and especially solid tumors. It also showed a higher therapeutic index, yet the cardiotoxicity remained.
Doxorubicin and daunorubicin together can be thought of as prototype compounds for the anthracyclines. Subsequent research by many investigators throughout the world has led to many other anthracycline antibiotics, or analogs, and it is now estimated that there are over 2,000 known analogs of doxorubicin. By 1991, 553 of them had been evaluated in the screening program at the National Cancer Institute (NCI).
Read more about this topic: Doxorubicin
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