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90Y Radioembolization in the Treatment of Neuroendocrine Neoplasms: Results of an International Multicenter Retrospective Study

Benedikt M Schaarschmidt, Moritz Wildgruber, Roman Kloeckner, James Nie, Verena Steinle, Arthur J A T Braat, Fabian Lohoefer, Hyun S Kim, Harald Lahner, Manuel Weber, Jens Theysohn

Abstract

In neuroendocrine neoplasms (NENs), the presence of distant metastases has a severe impact on survival leading to a relevant decrease in the 5-y survival rate. Here, 90Y radioembolization (90Y RE) might be an important treatment option; however, data to support clinical benefits for 90Y RE are scarce. Therefore, the purpose of this study was to analyze the use of 90Y RE in NEN patients with hepatic metastases in an international, multicenter retrospective analysis and assess the potential role of 90Y RE in a multimodal treatment concept. Methods: In total, 297 angiographic evaluations in NEN patients before 90Y RE were analyzed. Baseline characteristics and parameters derived from imaging evaluation and 90Y RE were analyzed. Tumor response was assessed using RECIST 1.1, and survival data were collected. Mean overall survival (OS) between different groups was compared using Kaplan-Meier curves and the log rank test. A P value of less than 0.05 indicated statistical significance. Results: After 90Y RE, the disease control rate according to RECIST 1.1 was 83.5% after 3 mo and 50.9% after 12 mo. OS in the entire population was 38.9 ± 33.0 mo. High tumor grade (P < 0.006) and high tumor burden (P = 0.001) were both associated with a significant decrease in OS. The presence of extrahepatic metastases (P = 0.335) and the type of metastatic vascularization pattern (P = 0.460) had no influence on OS. Patients who received 90Y RE as second-line therapy had a slightly longer but not statistically significant OS than patients who had 90Y RE in a salvage setting (44.8 vs. 30.6 mo, P = 0.078). Hepatic and global progression-free survival after 90Y RE was significantly decreased in heavily pretreated patients, compared with patients with second-line therapy (P = 0.011 and P = 0.010, respectively). Conclusion:90Y RE could be an important alternative to peptide receptor radionuclide therapy as second-line treatment in patients with progressive liver-dominant disease pretreated with somatostatin analogs.

OriginalspracheEnglisch
ZeitschriftJournal of Nuclear Medicine
Jahrgang63
Ausgabenummer5
Seiten (von - bis)679-685
Seitenumfang7
ISSN0161-5505
DOIs
PublikationsstatusVeröffentlicht - 05.2022

Fördermittel

Benedikt M. Schaarschmidt has received a research grant from PharmaCept. Moritz Wildgruber reports personal fees from Sirtex Medical, outside the submitted work, Roman Kloeckner reports personal fees from Boston Scientific, Bristol-Myers Squibb, Guerbet, SIRTEX, Roche, BTG, Ipsen, Siemens, and MSD-Merck Sharp & Dohme, outside the submitted work, Arthur Braat reports other fees from Terumo and Boston Scientific, outside the submitted work. Manuel Weber is on the speakers bureau for Boston Scientific. Jens Theysohn reports personal fees from BTG, outside the submitted work. No other potential conflict of interest relevant to this article was reported. Benedikt M. Schaarschmidt has received a research grant from PharmaCept. Moritz Wildgruber reports personal fees from Sirtex Medical, outside the submitted work, Roman Kloeckner reports personal fees from Boston Scientific, Bristol-Myers Squibb, Guer-bet, SIRTEX, Roche, BTG, Ipsen, Siemens, and MSD–Merck Sharp & Dohme, outside the submitted work, Arthur Braat reports other fees from Terumo and Boston Scientific, outside the submitted work. Manuel Weber is on the speakers bureau for Boston Scientific. Jens Theysohn reports personal fees from BTG, outside the submitted work. No other potential conflict of interest relevant to this article was reported.

TrägerTrägernummer
MSD-Merck
PharmaCept
Roche BioScience
BTG
Siemens CT
Ipsen

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    Strategische Forschungsbereiche und Zentren

    • Forschungsschwerpunkt: Biomedizintechnik
    • Profilbereich: Lübeck Integrated Oncology Network (LION)

    DFG-Fachsystematik

    • 2.22-30 Radiologie
    • 2.22-14 Hämatologie, Onkologie
    • 2.22-33 Nuklearmedizin, Strahlentherapie, Strahlenbiologie

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