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Toward better early-phase brain tumor clinical trials: a reappraisal of current methods and proposals for future strategies.

机译:寻求更好的早期脑肿瘤临床试验:对当前方法的重新评估以及对未来策略的建议。

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摘要

Although no optimal treatment is currently available for malignant brain tumors, as the molecular mechanisms underlying brain tumor development have been delineated, new chemotherapeutic agents that act directly on specific molecular targets have become available. Defining a specific molecular target raises the possibility that the molecular effects of a given agent can be analyzed in patients in a clinical trial. Specifically, whereas standard phase I and II clinical trials classically determine the safety and efficacy of agents by using indirect global end points, these new biological agents afford the opportunity to incorporate molecular end points into phase I and II clinical trials to determine whether the agent under investigation is actually doing what it was intended to do. This work presents avenues for improving current brain tumor clinical trial designs based on the molecular specificity of new agents and the unique features of brain tumors. Specifically, the authors recommend brain-applicable phase I and II clinical trial strategies that take advantage of the targeted nature of new agents to maximize information about their efficacy, toxicity, and molecular effects.
机译:尽管目前尚无针对恶性脑肿瘤的最佳治疗方法,但由于已经阐明了脑肿瘤发展的分子机制,因此已经有了直接作用于特定分子靶标的新型化学治疗剂。定义特定的分子靶标增加了在临床试验中可以分析患者体内给定药物分子效应的可能性。具体而言,尽管标准的I和II期临床试验通常通过使用间接全局终点来确定药物的安全性和有效性,但这些新的生物制剂为将分子终点纳入I和II期临床试验中提供了机会,以确定药物是否在调查实际上正在按计划进行。这项工作基于新药的分子特异性和脑肿瘤的独特特征,提出了改善当前脑肿瘤临床试验设计的途径。特别是,作者们推荐了可在脑中应用的I和II期临床试验策略,这些策略应利用新药的靶向特性,以最大化其功效,毒性和分子作用的信息。

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