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자료유형
학술저널
저자정보
류현지 (서울대학교) 서민석 (서울대학교병원) 강건욱 (서울대학교) 이대원 (서울대학교) 한세원 (서울대학교병원) 천기정 (서울대학교)
저널정보
대한암학회 Cancer Research and Treatment Cancer Research and Treatment 제55권 제1호
발행연도
2023.1
수록면
334 - 343 (10page)
DOI
10.4143/crt.2021.1022

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Purpose To provide a wider choice of treatment opportunities for patients with neuroendocrine tumor (NET) in Korea, we have conducted a phase 1, open-label, single-arm, dose-escalation study of SNU-KB-01, a no-carrier added (NCA) <sup>177</sup>Lu-labeled DOTATATE.Materials and Methods Seven patients with inoperable, progressive, metastatic, or locally advanced, somatostatin receptor-positive NET with Ki67 index ≤ 20% were enrolled according to the rolling six design. The study consisted of two cohorts to receive 4 cycles of SNU-KB-01 every 8 weeks for the first dose of 5.55 GBq (n=3) and 7.40 GBq (n=4). We assessed the incidence of dose-limiting toxicity (DLT) and adverse event, absorbed dose of kidneys and bone marrow, and objective tumor response.Results Seven patients completed 4 cycles (21.3-30.1 GBq total dose) of SNU-KB-01. The mean absorbed doses to kidneys and bone marrow were 0.500 mGy/MBq and 0.053 mGy/MBq, respectively, and the total body effective dose was 0.115 mSv/MBq. No DLT was observed and the maximum tolerated dose was 7.40 GBq/cycle. Grade 3 thrombocytopenia occurred in one patient, but no other grade 3 or 4 major hematologic or renal toxicity was observed. The best objective response to SNU-KB-01 was partial response. Overall response rate was 42.9% and disease control rate was 85.7%.Conclusion Treatment with 4 cycles of SNU-KB-01 was well tolerated and resulted in control of disease in most of the patients. Our results indicate SNU-KB-01, an NCA <sup>177</sup>Lu-labeled DOTATATE, as a potentially safe and efficacious treatment option for NET patients in Korea.

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