医学
膀胱切除术
膀胱癌
肿瘤科
临床试验
地铁列车时刻表
重症监护医学
内科学
癌症
计算机科学
操作系统
标识
DOI:10.1177/03915603241252909
摘要
Although BCG use as an anticancer drug was nearly abandoned due to the poor results in most tumors, in 1976 Morales reported a relevant reduction in recurrence with intravesical BCG in few patients affected by NMIBC. Since then BCG was globally accepted as an empirical and effective therapy in treating Tis and preventing recurrence of intermediate and high risk NMIBC. Forty-eight years after Morales’ report, although some open questions remain object of debate, we have been able to find answers to many doubts improving BCG activity and toxicity. We better select patients undergoing BCG and many trials have indicated the best dosage and schedule. Moreover, we are able to better identify the patient unresponsive to BCG who might benefit of a timely radical cystectomy. We are also aware of the difficulties and toxicities that can be encountered with BCG use in every-day clinical practice. Research is ongoing to obtain genetically modified BCG to increase its efficacy and reduce toxicity. Moreover, the combination of BCG with other immunotherapeutic drugs given intravesically or systemically, first immune checkpoint inhibitors, is under study to obtain a response in patients unresponsive or intolerant to BCG. Almost 50 years after Morales publication, intravesical BCG remains an inalienable tool against NMIBC
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