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ea0098c27 | Clinical – Nuclear Medicine/Interventional Radiology/Imaging | NANETS2023

ETCTN 10388: A first in human Phase I Trial of Triapine and Lutetium Lu 177 DOTATATE in Well-Differentiated Somatostatin Receptor-Positive Gastroenteropancreatic Neuroendocrine Tumors (GEP-NETs)

Chauhan Aman , Arnold Susanne , Kolesar Jill , Carson William , Weiss Heidi , Yan Donglin , El Khouli Riham , Khurana Aman , Beumer Jan , Soares Heloisa , Mulcahy Mary , Halfdanarson Thorvardur , Li Daneng , Jacene Heather , Ivy Percy , Kohn Elise , Wright John , Rubinstein Larry , Kunos Charles , Anthony Lowell , Konda Bhavana

Background: Radiation is a potent inducer of DNA double-strand breaks, and ribonucleotide reductase (RNR) is the rate-limiting enzyme in the synthesis and repair of DNA, making RNR-targeted therapy a rationale therapeutic strategy for radiosensitization. ETCTN 10388 (NCT04234568) evaluated safety and efficacy of the combination of lutetium 177 DOTATATE, a beta-emitting radionuclide in combination with triapine, a ribonucleotide reductase (RNR) inhibitor. <p class="abstext"...

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ea0098c28 | Clinical – Nuclear Medicine/Interventional Radiology/Imaging | NANETS2023

ETCTN 10450: A phase I trial of peposertib and lutetium 177 DOTATATE in well-differentiated somatostatin receptor-positive gastroenteropancreatic neuroendocrine tumors (GEP-NETs).

Chauhan Aman , Kolesar Jill , Yan Donglin , Li Daneng , Khurana Aman , Edgar Carson William , Arnold Susanne M. , Gore Steven , Rubinstein Larry , Kohn Elise C. , Percy Ivy S. , Xiao Ying , Dewaraja Yuni , Soares Heloisa P. , Hendrik Beumer Jan , Konda Bhavana , Sukrithan Vineeth , Brian Anthony Lowell

Background: Radiolabeled somatostatin analogs provide a means of delivering targeted radiation with a high therapeutic index to NETs that express somatostatin receptors (SSTRs). We hypothesize that the addition of an effective radiation sensitizer could help improve the antitumor activity of Lutathera. Radiation is a potent inducer of DNA damage. The primary repair mechanism of radiation-induced double-stranded breaks (DSBs) is the nonhomologous end-joining (NHEJ) pathway, in ...

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Endocrine Abstracts

ETCTN 10388: A first in human Phase I Trial of Triapine and Lutetium Lu 177 DOTATATE in Well-Differentiated Somatostatin Receptor-Positive Gastroenteropancreatic Neuroendocrine Tumors (GEP-NETs)

ETCTN 10450: A phase I trial of peposertib and lutetium 177 DOTATATE in well-differentiated somatostatin receptor-positive gastroenteropancreatic neuroendocrine tumors (GEP-NETs).

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