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  • Title: Chemoprotective and radioprotective effects of amifostine: an update of clinical trials.
    Author: Capizzi RL, Oster W.
    Journal: Int J Hematol; 2000 Dec; 72(4):425-35. PubMed ID: 11197208.
    Abstract:
    Amifostine (Ethyol), the first broad-spectrum cytoprotectant approved in many countries for clinical use, is an analog of cysteamine and was originally developed by the U.S. Walter Reed Army Institute of Research in the 1950s as a radioprotective agent. Studies have shown that amifostine selectively protects normal tissues of various organs from the effects of radiation and multiple cytotoxic chemotherapeutic drugs. Amifostine has demonstrated broad-spectrum cytoprotection against myelotoxicity, nephrotoxicity, xerostomia, and mucositis associated with various chemotherapy and radiation modalities. Amifostine has been evaluated in large comparative clinical trials in patients with advanced ovarian cancer, rectal cancer, and head and neck cancer, and in many phase 2 trials in patients with various neoplastic diseases. These trials have shown that amifostine delivers protection from the cytotoxic effects of cisplatin, cyclophosphamide, and radiation on various organs. Pretreatment with amifostine has also improved salivary gland tolerance of high-dose radioiodine treatment. Recent unique observations include improvement in cytopenia in patients with myelodysplastic syndrome. This review summarizes preclinical and clinical data on amifostine and includes trials that evaluated the drug's chemoprotective and radioprotective effects and other potential uses in clinical oncology.
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