Consensus document on the progression and treatment response criteria in gastroenteropancreatic neuroendocrine tumors
- PMID: 29766455
- PMCID: PMC6223716
- DOI: 10.1007/s12094-018-1881-9
Consensus document on the progression and treatment response criteria in gastroenteropancreatic neuroendocrine tumors
Abstract
Purpose: Gastroenteropancreatic neuroendocrine tumors are a heterogeneous group of low incidence neoplasms characterized by a low proliferative activity and slow growth. Their response to targeted therapies is heterogeneous and often does not lead to tumor shrinkage. Thus, evaluation of the therapeutic response should differ from other kind of tumors.
Methods: To answer relevant questions about which techniques are best in the assessment of progression or treatment response a RAND/UCLA-based consensus process was implemented. Relevant clinical questions were listed followed by a systematic search of the literature. The expert panel answered all questions with recommendations, combining available evidence and expert opinion. Recommendations were validated through a questionnaire and a participatory meeting.
Results: Expert recommendations regarding imaging tools for tumor assessment and evaluation of progression were agreed upon. Available imaging techniques were reviewed and recommendations for best patient monitoring practice and the best way to evaluate treatment response were formulated.
Keywords: Diagnostic imaging; Molecular imaging; Neuroendocrine tumors; Nuclear medicine; Radionuclide imaging.
Conflict of interest statement
Conflict of interest
Javier Aller has received speaker honorarium and as an advisory board and consensus member from Novartis. Enrique Grande has received speaker honorarium from Novartis. Isabel Sevilla has received speaker honorarium and as advisory board member from Novartis. Jaume Capdevila has received funding for a research grant and as advisory board member from Novartis. The rest of the authors declare that they have no conflict of interest.
Ethical approval
The study has been performed in accordance with the ethical standards of the Declaration of Helsinki and its later amendments. This article does not contain any data derived from studies with human participants or animals performed by any of the authors.
Informed consent
As this work is based on studies previously published, informed consent was not needed.
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