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#4132 ACTION-1: A randomised phase Ib/3 trial of RYZ101 compared with standard of care in somatostatin receptor positive, well-differentiated gastroenteropancreatic neuroendocrine tumors with progression following 177Lu somatostatin analogue therapy

Introduction: Well-differentiated gastroenteropancreatic neuroendocrine tumors (GEP-NETs) are characterized by high-density expression of somatostatin receptors (SSTRs). RYZ101 (225Ac-DOTATATE) is a highly potent alpha-emitting radiopharmaceutical therapy (RPT) being developed for SSTR+ solid tumors. ACTION-1 is a 2-part, global, randomized, controlled, open-label, Phase 1b/3 trial of RYZ101. Part 1 (Phase 1b), an uncontrolled dose de-escalation study, is complete with no dose-limiting toxicities.

Conference:

Presenting Author: Singh S

Authors: Singh S, Tesselaar M, Strosberg J, Jacene H, Halperin D,

Keywords: RYZ101, Gastroenteropancreatic neuroendocrine tumor, Somatostatin receptor, Radiopharmaceutical therapy,