在转移性乳腺癌的[177Lu]Lu-FAPI-2286组合疗法后的异质反应
Ghasemali Divband1, Masoume Chehrara2, Nastaran Khodakarim3
1Jam Nuclear Medicine Center, Jam Hospital.
Clinical nuclear medicine
|January 12, 2026
概括
这项研究探讨了在转移性乳腺癌中向纤维细胞激活蛋白 (FAPI) 的放射性核酸治疗. 虽然最初显示了减少瘤吸收和症状缓解的承诺,但该疗法证明了与疾病复发的异质反应.
科学领域:
- 在瘤学瘤学.
- 核医学是一种核医学.
- 放射性药物疗法是一种放射性药物疗法.
背景情况:
- 转移性侵袭性导管癌往往会对像抗HER2治疗这样的标准疗法产生抗性.
- 纤维细胞激活蛋白 (FAPI) 在各种癌症中经常过度表达,使其成为潜在的治疗点.
研究的目的:
- 评估[177Lu]Lu-FAPI-2286放射性核酸治疗与抗体药物联合化疗在转移性侵入性导管癌患者的疗效和安全性.
- 为了评估治疗后FAPI表达和瘤负担的变化.
主要方法:
- 一名患有转移性侵入性导管癌的患者,不耐抗HER2治疗,接受了[177Lu]Lu-FAPI-2286放射性核酸治疗和化疗.
- 进行了基线[68Ga]Ga-FAPI-2286 PET/CT,以确认FAPI的表达.
- 在5个治疗周期后进行了随访成像和临床评估.
主要成果:
- 最初的成像显示,皮肤病变中的FAPI吸收显著减少,骨病变的解脱,并减少了多层的加厚.
- 患者经历了临床改善,包括缓解疼痛和淋巴的解决.
- 然而,在淋巴结中出现了新的转移性病变,表明异质的治疗反应和疾病复发.
结论:
- [177Lu]Lu-FAPI-2286放射性核素治疗与化疗相结合,通过减少瘤负担和改善症状,显示出在治疗转移性乳腺癌方面的潜力.
- 新转移的出现凸显了进一步研究克服治疗耐药性和解决晚期癌症中异质FAPI表达的需要.
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