期刊论文详细信息
American Journal of Nuclear Medicine and Molecular Imaging
Survival after somatostatin based radiopeptide therapy with 90Y-DOTATOC vs. 90Y-DOTATOC plus 177Lu-DOTATOC in metastasized gastrinoma
Helmut R Maecke1  Rebecca A Dumont1  Matthias Briel1  Daniela Seiler1  Christoph Rochlitz1  Philippe Brunner1  Nicolas Marincek1  Jan Müller-Brand1  Piotr Radojewski1  Martin A Walter1 
关键词: Yttrium;    lutetium;    somatostatin;    survival;    gastrinoma;   
DOI  :  
学科分类:过敏症与临床免疫学
来源: e-Century Publishing Corporation
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【 摘 要 】

We aimed to explore the effects of 90Y-DOTATOC and 90Y-DOTATOC plus 177Lu-DOTATOC on survival of patients with metastasized gastrinoma. Patients with progressive metastasized gastrinoma were treated with repeated cycles of 90Y-DOTATOC or with cycles alternating between 90Y-DOTATOC and 177Lu-DOTATOC until tumor progression or permanent toxicity. Multivariable Cox regression analyses were used to study predictors of survival. A total of 36 patients were enrolled; 30 patients received 90Y-DOTATOC (median activity per patient 11.8GBq; range: 6.1-62.2GBq) and 6 patients received 90Y-DOTATOC plus 177Lu-DOTATOC (median activity per patient: 14.8GBq; range: 7.4-14.8GBq). Response was found in 26 patients (72.2%), including morphological (n=12, 33.3%), biochemical (n=14, 38.9%) and/or clinical response (n=6, 16.2%). A total of 21 patients (58.3%) experienced hematotoxicity grade 1/2, while 1 patient (2.8%) experienced hematotoxicity grade 3; no grade 4 hematotoxicity occurred. Furthermore, 2 patients (5.6%) developed grade 4 renal toxicity; no grade 5 renal toxicity occurred. Responders had a significantly longer median survival from time of enrollment than non-responders (45.1 months, range: 37.1-53.1 months vs. 12.6 months, range: 11.0-14.2, hazard ratio: 0.12 (0.027-0.52), p=0.005). Additionally, there was a trend towards longer median survival with 90Y-DOTATOC plus 177Lu-DOTATOC as compared to 90Y-DOTATOC alone (60.2 months, range: 19.8-100.6 months vs. 27.0 months, range: 4.0-50.0, hazard ratio: 0.21 (0.01-3.98), p=0.16). Response to 90Y-DOTATOC and 90Y-DOTATOC plus 177Lu-DOTATOC therapy is associated with a longer survival in patients with metastasized gastrinoma. Both treatment regimens are promising tools for management of progressive gastrinoma.

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