Comparison of 18F-DCFPyL and 68Ga-PSMA-11 for 177Lu-PSMA-617 therapy patient selection

被引：0

作者：

Yadav, Surekha ^{[1
]}

Kim, Sarasa T. ^{[1
]}

Tuchayi, Abuzar Moradi ^{[1
]}

Jiang, Fei ^{[2
]}

Morley, Amanda ^{[1
]}

Saelee, Rachelle ^{[1
]}

Wang, Yingbing ^{[1
]}

Juarez, Roxanna ^{[1
]}

Lawnh-Heath, Courtney ^{[1
]}

Koshkin, Vadim S. ^{[3
,4
]}

Hope, Thomas A. ^{[1
,4
,5
]}

机构：

[1] Univ Calif San Francisco, Dept Radiol & Biomed Imaging, San Francisco, CA 94115 USA

[2] Univ Calif San Francisco, Dept Epidemiol & Biostat, San Francisco, CA USA

[3] Univ Calif San Francisco, Dept Med, Div Hematol Oncol, San Francisco, CA USA

[4] Univ Calif San Francisco, Helen Diller Family Comprehens Canc Ctr, San Francisco, CA 94115 USA

[5] San Francisco Vet Affairs VA Med Ctr, Dept Radiol, San Francisco, CA 94121 USA

来源：

FRONTIERS IN ONCOLOGY | 2024年 / 14卷

关键词：

Ga-68-PSMA PET/CT; F-18-DCFPyL-PET/CT; Lu-177-PSMA; radioligand therapy (RLT); mCRPC; patient screening; RESISTANT PROSTATE-CANCER; CLINICAL-TRIALS; OPEN-LABEL; RECOMMENDATIONS; MULTICENTER; OUTCOMES; DESIGN;

D O I：

10.3389/fonc.2024.1382582

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Purpose: Ga-68-PSMA-11 is recommended for the selection of patients for treatment in the package insert for Lu-177-PSMA-617. We aimed to compare imaging properties and post-treatment outcomes from radioligand therapy (RLT) of patients selected with Ga-68-PSMA-11 and F-18-DCFPyL. Methods: We retrospectively evaluated 80 patients undergoing PSMA RLT, who had pretreatment imaging using either Ga-68-PSMA-11 or F-18-DCFPyL. For both groups, we compared the biodistribution and lesion uptake and the PSA response to treatment. Results: Both agents had comparable biodistribution. Patients initially imaged with F-18-DCFPyL had a higher PSA response (66% vs. 42%), and more patients had a PSA50 response (72% vs. 43%) compared to patients imaged with Ga-68-PSMA-11. Conclusion: F-18-DCFPyL and Ga-68-PSMA-11 had comparable biodistribution and lesion uptake. Patients imaged with F-18-DCFPyL demonstrated clinical benefit to PSMA RLT comparable to those imaged with Ga-68-PSMA-11, and either agent can be used for screening patients.

引用

页数：6

共 50 条

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