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Corti F, Rossi RE, Cafaro P, Passarella G, Turla A, Pusceddu S, Coppa J, Oldani S, Guidi A, Longarini R, Cortinovis DL. Emerging Treatment Options for Neuroendocrine Neoplasms of Unknown Primary Origin: Current Evidence and Future Perspectives. Cancers (Basel) 2024; 16:2025. [PMID: 38893145 PMCID: PMC11171242 DOI: 10.3390/cancers16112025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 05/19/2024] [Accepted: 05/22/2024] [Indexed: 06/21/2024] Open
Abstract
Among neuroendocrine neoplasms (NENs), a non-negligible proportion (9-22%) is represented by sufferers of NENs of unknown primary origin (UPO), a poor prognostic group with largely unmet clinical needs. In the absence of standard therapeutic algorithms, current guidelines suggest that the treatment of UPO-NENs should be based on tumor clinical-pathological characteristics, disease burden, and patient conditions. Chemotherapy represents the backbone for the treatment of high-grade poorly differentiated UPO-NENs, usually providing deep but short-lasting responses. Conversely, the spectrum of available systemic therapy options for well-differentiated UPO-NENs may range from somatostatin analogs in indolent low-grade tumors, to peptide receptor radioligand therapy, tyrosine kinase inhibitors (TKIs), or chemotherapy for more aggressive tumors or in case of high disease burden. In recent years, molecular profiling has provided deep insights into the molecular landscape of UPO-NENs, with both diagnostic and therapeutic implications. Although preliminary, interesting activity data have been provided about upfront chemoimmunotherapy, the use of immune checkpoint inhibitors (ICIs), and the combination of ICIs plus TKIs in this setting. Here, we review the literature from the last 30 years to examine the available evidence about the treatment of UPO-NENs, with a particular focus on future perspectives, including the expanding scenario of targeted agents in this setting.
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Affiliation(s)
- Francesca Corti
- Medical Oncology Unit, Fondazione IRCCS San Gerardo dei Tintori, Via G.B. Pergolesi 33, 20900 Monza, Italy; (P.C.); (G.P.); (A.T.); (A.G.); (R.L.); (D.L.C.)
| | - Roberta Elisa Rossi
- Gastroenterology and Endoscopy Unit, IRCCS Humanitas Research Hospital, Via Manzoni 56, Rozzano, 20089 Milan, Italy;
| | - Pietro Cafaro
- Medical Oncology Unit, Fondazione IRCCS San Gerardo dei Tintori, Via G.B. Pergolesi 33, 20900 Monza, Italy; (P.C.); (G.P.); (A.T.); (A.G.); (R.L.); (D.L.C.)
| | - Gaia Passarella
- Medical Oncology Unit, Fondazione IRCCS San Gerardo dei Tintori, Via G.B. Pergolesi 33, 20900 Monza, Italy; (P.C.); (G.P.); (A.T.); (A.G.); (R.L.); (D.L.C.)
| | - Antonella Turla
- Medical Oncology Unit, Fondazione IRCCS San Gerardo dei Tintori, Via G.B. Pergolesi 33, 20900 Monza, Italy; (P.C.); (G.P.); (A.T.); (A.G.); (R.L.); (D.L.C.)
| | - Sara Pusceddu
- Gastro-Entero-Pancreatic and Neuroendocrine Unit 1, Department of Medical Oncology, ENETS Center of Excellence, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Venezian 1, 20133 Milan, Italy; (S.P.); (S.O.)
| | - Jorgelina Coppa
- Hepatology and Hepato-Pancreatic-Biliary Surgery and Liver Transplantation Unit, Fondazione IRCCS, Istituto Nazionale Tumori, Via Venezian 1, 20133 Milan, Italy;
| | - Simone Oldani
- Gastro-Entero-Pancreatic and Neuroendocrine Unit 1, Department of Medical Oncology, ENETS Center of Excellence, Fondazione IRCCS Istituto Nazionale dei Tumori, Via Venezian 1, 20133 Milan, Italy; (S.P.); (S.O.)
| | - Alessandro Guidi
- Medical Oncology Unit, Fondazione IRCCS San Gerardo dei Tintori, Via G.B. Pergolesi 33, 20900 Monza, Italy; (P.C.); (G.P.); (A.T.); (A.G.); (R.L.); (D.L.C.)
| | - Raffaella Longarini
- Medical Oncology Unit, Fondazione IRCCS San Gerardo dei Tintori, Via G.B. Pergolesi 33, 20900 Monza, Italy; (P.C.); (G.P.); (A.T.); (A.G.); (R.L.); (D.L.C.)
| | - Diego Luigi Cortinovis
- Medical Oncology Unit, Fondazione IRCCS San Gerardo dei Tintori, Via G.B. Pergolesi 33, 20900 Monza, Italy; (P.C.); (G.P.); (A.T.); (A.G.); (R.L.); (D.L.C.)
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Babu B, Subbiah Nagaraj S, Yadav S, Periasamy K. Neuroendocrine tumour of the lesser omentum. BMJ Case Rep 2023; 16:e258366. [PMID: 38123316 DOI: 10.1136/bcr-2023-258366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023] Open
Abstract
A man in his early 20s presented to us in the outpatient department with a history of diarrhoea for 4 months. Investigations revealed elevated serum chromogranin levels and an intensely avid lesion in the gastrohepatic ligament in Gallium DOTATATE positron emission tomography (PET). The tumour was excised laparoscopically, and no other lesions were seen. The patient improved clinically and had a normal serum chromogranin level postoperatively. He is currently much improved at the 1year follow-up. We did an extensive workup to look for a primary tumour. It was concluded that it was a de novo tumour arising from the lesser sac. The recommended investigations in case of neuroendocrine tumour (NET) with unknown primary include blood investigations to look for the functional status of the tumour, histopathological examination, including immunohistochemistry, and radiological imaging, which must include a Gallium DOTATATE PET. An isolated NET of the lesser sac has not been reported in the literature.
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Affiliation(s)
- Basil Babu
- Department of General Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Satish Subbiah Nagaraj
- Department of General Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Shaurya Yadav
- Department of General Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Kannan Periasamy
- Department of Radiotherapy, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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