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长效注射剂中的部分AUC:理由,挑战,可变性,有用性和临床相关性
Georgia Tsakiridou1, Maria-Faidra-Galini Angelerou1, Panagiotis Efentakis1
1Pharmathen SA, 31 Spartis Str., 14452 Metamorfosi Attica, Greece.
Pharmaceutics
|January 25, 2025
概括
部分AUC (pAUC) 有助于对长效注射剂 (LAI) 的生物等价性测试,但选择切断点是具有挑战性的. 本研究回顾了案例研究,以评估通用LAI开发的pAUC.
科学领域:
- 药理动力学和药物开发
- 生物等价性研究 生物等价性研究
- 配方科学科学 配方科学
背景情况:
- 生物等价性评估通常依赖于曲线下的面积 (AUC) 和最大度 (Cmax).
- 部分AUC (pAUC) 是为了捕捉与AUC和Cmax单独不明显的配方差异而提出的.
- 在定义适当的pAUC切断点方面存在挑战,特别是在复杂的药物产品中.
研究的目的:
- 评估使用部分AUCs (pAUCs) 在仿制长效注射 (LAI) 产品的生物等价性研究中的实用性和挑战.
- 分析pAUC估计对在剂量间隔内识别配方差异的影响.
- 检查FDA和EMA关于LAI开发中的pAUC应用的监管观点.
主要方法:
- 综述了六个涉及一般 LAI 产品开发的案例研究.
- 对药理动力学 (PK) 数据的分析,包括AUC,Cmax和pAUC.
- 根据美国食品和药物管理局 (FDA) 和欧洲药品管理局 (EMA) 的监管指南进行评估.
主要成果:
- pAUC可以提供超越传统AUC和Cmax的生物等价性的额外洞察力,特别是对于LAI.
- 确定临床相关和统计学上可靠的pAUC切线点仍然是一个重大挑战.
- 在pAUC估计的变化可能会受到 LAI 的切割点和复杂的 PK 配置文件的选择的影响.
结论:
- 部分AUC (pAUC) 显示出作为评估仿制长效注射剂 (LAI) 生物等价性的补充指标的潜力.
- 选择适当的pAUC截止点至关重要,需要仔细考虑产品特定的PK/PD关系和监管期望.
- 需要进一步的研究和共识,以标准化LAI生物等价性评估的pAUC方法.
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