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Published on: February 2, 2024
Everolimus as first line therapy for pancreatic neuroendocrine tumours: current knowledge and future perspectives
Marco Gallo1, Pasqualino Malandrino2, Giuseppe Fanciulli3
1Oncological Endocrinology Unit, Department of Medical Sciences, University of Turin, AOU Città della Salute e della Scienza di Torino, Via Genova 3, 10126, Turin, Italy. mgallo4@cittadellasalute.to.it.
Purpose:
Everolimus has been shown to be effective for advanced pancreatic neuroendocrine tumours (pNETs), but its positioning in the therapeutic algorithm for pNETs is matter of debate.
Methods:
With the aim to shed light on this point, we performed an up-to-date critical review taking into account the results of both retrospective and prospective published studies, and the recommendations of international guidelines. In addition, we performed an extensive search on the Clinical Trial Registries databases worldwide, to gather information on the ongoing clinical trials related to this specific topic.
Results:
We identified eight retrospective published studies, two prospective published studies, and five registered clinical trials. Moreover, we analyzed the content of four widespread international guidelines.
Conclusions:
Our critical review confirms the lack of high-quality data to recommend everolimus as the first line therapy for pNETs. The ongoing clinical trials reported in this review will hopefully help clinicians, in the near future, to better evaluate the role of everolimus as the first line therapy for pNETs. However, at the moment, there is already enough evidence to recommend everolimus as the first line therapy for patients with symptomatic malignant unresectable insulin-secreting pNETs, to control the endocrine syndrome regardless of tumour growth.
Insights
Everolimus shows promise for advanced pancreatic neuroendocrine tumors (pNETs), but its first-line therapy role requires more high-quality data. Current evidence supports its use for symptomatic, unresectable insulin-secreting pNETs to manage endocrine syndromes.
Area of Science:
- Oncology
- Endocrinology
- Pharmacology
Background:
- Pancreatic neuroendocrine tumors (pNETs) are rare neoplasms.
- Everolimus is an mTOR inhibitor with demonstrated efficacy in advanced pNETs.
- The optimal therapeutic positioning of everolimus in pNETs remains under investigation.
Purpose of the Study:
- To critically review the current evidence for everolimus in advanced pNETs.
- To evaluate the role of everolimus as a first-line therapy for pNETs.
- To identify ongoing clinical trials investigating everolimus in pNETs.
Main Methods:
- Systematic literature review of retrospective and prospective studies.
- Analysis of international treatment guidelines for pNETs.
- Comprehensive search of global clinical trial registries.
Main Results:
- Eight retrospective and two prospective studies were identified.
- Five ongoing clinical trials and four international guidelines were analyzed.
- Limited high-quality data exists for first-line everolimus therapy in general pNETs.
Conclusions:
- High-quality evidence is lacking to support everolimus as a universal first-line therapy for pNETs.
- Ongoing trials are expected to clarify its future role.
- Everolimus is recommended as a first-line therapy for symptomatic, unresectable, insulin-secreting pNETs to manage hormonal symptoms.
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