使用液体目标PETtrace 800 循环仪生产-68 放射性药物的性能评估
Zarif Ashhar1, Muhammad Fakhrurazi Ahmad Fadzil1, Zaitulhusna Md Safee1
1Pharmacy Department, National Cancer Institute, Putrajaya, 62250, Malaysia.
概括
-68 (Ga) 放射性药品的液体目标生产是可行的. 优化照射时间大大提高了产量,每批可生产多达五名患者.
科学领域:
- 核医学是一种核医学.
- 放射性药物化学 放射性药物化学
- 循环天文仪生产生产
背景情况:
- 对-68 (Ga) 放射性药物的日益增长的需求需要高效的生产方法.
- 循环子越来越多地被用于通过固体和液体目标生产Ga.
- 流动性目标提供了一个替代方案,但传统上产生的活动比固体目标低.
研究的目的:
- 用液体目标系统评估68Ga放射性药物生产的性能.
- 为了评估[68Ga]GaCl3的轰炸结束和净化结束活动.
- 为了确定延长照射时间对68Ga放射性药物产量的影响.
主要方法:
- 使用循环仪中的液体目标系统生产[68Ga]GaCl3.
- 测量轰炸结束 (EOB) 和净化结束 (EOP) 活动.
- 在净化后对金属杂质的评估.
- 对[68Ga]Ga-PSMA-11和[68Ga]Ga-DOTA-TATE的合成产量的评估,辐射时间不同.
主要成果:
- 获得了4.48 GBq的EOB活性和2.51 GBq的EOP活性,用于具有可接受金属杂质水平的[68Ga]GaCl3.
- 延长照射时间显著增加了合成末期产量.
- [68Ga]Ga-PSMA-11的产量从1.33 GBq增加到1.95 GBq,而[68Ga]Ga-DOTA-TATE的产量从1.13 GBq增加到1.74 GBq.
- 生产能力证明可以支持每批多达5名患者.
结论:
- 液体向生产68Ga放射性药物是一种可行和可重复的方法.
- 优化照射时间对于最大限度地提高产量和满足临床需求至关重要.
- 该研究确定了基于液体目标的Ga生产面临的挑战,并提出了解决方案.
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