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Long-term efficacy of 90Y-DOTATATE in patients with nonresectable pancreatic and small bowel neuroendocrine neoplasms

Aim: To determine the efficacy of 90Y [DOTA0, D-Phe1, Tyr3]-octreotate (DOTATATE) in 67 patients with pancreatic and small bowel neuroendocrine tumors (NETs). Patients & methods: The primary efficacy end point was overall survival (OS) and secondary end points were progression-free survival (PFS) and tumor response. Results: Median PFS in pancreatic and small bowel NETs was 25 and 28 months, respectively, and median OS was 42 and 38.5 months, respectively. No intergroup differences in median OS (p = 0.945) or PFS (p = 0.174) were found, also after adjustment for tumor origin, secretory status and grade, and patient’s gender. Conclusion: 90Y-DOTATATE may have similar efficacy in pancreatic and small bowel NETs. Better WHO performance status at baseline seems to be associated with more favorable outcomes.

Click here to view the full article in Future Oncology.