一种特别有潜力的抗癌抗生素是格尔德霉素及其名为17aag的修饰后衍生物。
One particularly promising anti-cancer antibiotic is geldanamycin and a modified form of this drug known as 17aag.
尽管在临床前试验中抗生素格尔德霉素表现出很强的作为抗癌药物的潜力，但是因为其毒性，这种药物没有能成为具有良好临床试验前景的候选药物。
Although there was much preclinical interest in the antibiotic geldanamycin as an anti-cancer drug, it turned out to be a poor candidate for clinical trials because of its toxicity.
尽管在临床前试验中抗生素格尔德霉素表现出很强的作为抗癌药物的潜力，但是因为其毒性，这种药物没有能成为具有良好临床试验前景的候选药物。
Although there was much preclinical interest in the antibiotic geldanamycin as an anti-cancer drug, it turned out to be a poor candidate for clinical trials because of its toxicity.
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