期刊
ESMO OPEN
卷 5, 期 2, 页码 -出版社
ELSEVIER
DOI: 10.1136/esmoopen-2019-000650
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资金
- Spanish Society of Medical Oncology Translational Fellowship Grant
- American Society of Clinical Oncology Conquer Cancer Foundation Young Investigator Award
Background Ga-68-DOTA0-Tyr3-octreotide (Ga-68-DOTATOC) positron emission tomography-CT (PET-CT) has superior diagnostic performance compared to the licensed tracer OctreoScan single photon emission CT-CT in patients with gastroenteropancreatic neuroendocrine tumours (GEP-NETs). A new preparation of Ga-68-DOTATOC using a new 'ready-to-use' Ga-68-DOTATOC formulation for injection has been developed (Ga-68-DOTATOC (SomaKIT TOC)). Objectives This study aimed to assess the safety and tolerability of Ga-68-DOTATOC (SomaKIT TOC) and evaluate the feasibility and robustness of implementing it in a NET clinical imaging service. Methods A first-in-human phase I/II multicentre, open-label study of a single dose of Ga-68-DOTATOC (SomaKIT TOC) 2 MBq/kg +/- 10% (range 100-200 MBq) in patients with biopsy-proven grade 1-2 GEP-NETs. PET-CT was performed post injection. Patients were followed up for 28 days. We next implemented this new synthesis methodology in a clinical service assessed over 11 months. Results Twenty consenting patients were recruited; 14 males, 6 females; mean (SD) age 58 years (12); NET grade 1 (70%), grade 2 (30%); and 75% with stage IV disease. Twelve patients experienced at least one adverse event (AE) during the study with no grade 3-4 toxicities. Only four AEs were classified as possibly (headache (n=1; 4%), nausea (1; 4%)) or probably (dysgeusia (1; 4%), paraesthesia (1; 4%)) related to the study preparation. One hundred thirteen vials of Ga-68-DOTATOC (SomaKIT TOC) were synthesised with the 'kit' over a period of 11 months for clinical utility. Only 2/113 vials (1.77%) were rejected. Conclusions The new ready-to-use preparation of Ga-68-DOTATOC (SomaKIT TOC) for injection was safe and well tolerated. This has led to the world's first (EMA) licensed Ga-68-DOTATOC (SomaKIT TOC) radiopharmaceutical for the utility of PET imaging in patients with NETs. This preparation can be robustly implemented into routine clinical practice.
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