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Management of Asymptomatic Sporadic Nonfunctioning Pancreatic Neuroendocrine Neoplasms (ASPEN) ≤2 cm: Study Protocol for a Prospective Observational Study

dc.contributor.authorPartelli, S
dc.contributor.authorRamage, J
dc.contributor.authorMassironi, S
dc.contributor.authorZerbi, A
dc.contributor.authorKim, H
dc.contributor.authorNiccoli, P
dc.contributor.authorPanzuto, F
dc.contributor.authorLandoni, L
dc.contributor.authorTomazic, A
dc.contributor.authorIbrahim, T
dc.contributor.authorKaltsas, G
dc.contributor.authorBertani, E
dc.contributor.authorSauvanet, A
dc.contributor.authorSegelov, E
dc.contributor.authorCaplin, M
dc.contributor.authorCoppa, J
dc.contributor.authorArmstrong, T
dc.contributor.authorWeickert, M
dc.contributor.authorButturini, G
dc.contributor.authorStaettner, S
dc.contributor.authorBoesch, F
dc.contributor.authorCives, M
dc.contributor.authorMoulton, CA
dc.contributor.authorHe, J
dc.contributor.authorSelberherr, A
dc.contributor.authorTwito, O
dc.contributor.authorCastaldi, A
dc.contributor.authorAngelis, C
dc.contributor.authorGaujoux, S
dc.contributor.authorAlmeamar, H
dc.contributor.authorFrilling, A
dc.contributor.authorVigia, E
dc.contributor.authorWilson, C
dc.contributor.authorMuffatti, F
dc.contributor.authorSrirajaskanthan, R
dc.contributor.authorInvernizzi, P
dc.contributor.authorLania, A
dc.contributor.authorKwon, W
dc.contributor.authorEwald, J
dc.contributor.authorRinzivillo, M
dc.contributor.authorNessi, C
dc.contributor.authorSmid, L
dc.contributor.authorGardini, A
dc.contributor.authorTsoli, M
dc.contributor.authorPicardi, E
dc.contributor.authorHentic, O
dc.contributor.authorCroagh, D
dc.contributor.authorToumpanakis, C
dc.contributor.authorCitterio, D
dc.contributor.authorRamsey, E
dc.contributor.authorMosterman, B
dc.contributor.authorRegi, P
dc.contributor.authorGasteiger, S
dc.contributor.authorRossi, R
dc.contributor.authorSmiroldo, V
dc.contributor.authorJang, JY
dc.contributor.authorFalconi, M
dc.date.accessioned2022-01-21T15:48:41Z
dc.date.available2022-01-21T15:48:41Z
dc.date.issued2020
dc.description.abstractIntroduction: The optimal treatment for small, asymptomatic, nonfunctioning pancreatic neuroendocrine neoplasms (NF-PanNEN) is still controversial. European Neuroendocrine Tumor Society (ENETS) guidelines recommend a watchful strategy for asymptomatic NF-PanNEN <2 cm of diameter. Several retrospective series demonstrated that a non-operative management is safe and feasible, but no prospective studies are available. Aim of the ASPEN study is to evaluate the optimal management of asymptomatic NF-PanNEN ≤2 cm comparing active surveillance and surgery. Methods: ASPEN is a prospective international observational multicentric cohort study supported by ENETS. The study is registered in ClinicalTrials.gov with the identification code NCT03084770. Based on the incidence of NF-PanNEN the number of expected patients to be enrolled in the ASPEN study is 1,000 during the study period (2017-2022). Primary endpoint is disease/progression-free survival, defined as the time from study enrolment to the first evidence of progression (active surveillance group) or recurrence of disease (surgery group) or death from disease. Inclusion criteria are: age >18 years, the presence of asymptomatic sporadic NF-PanNEN ≤2 cm proven by a positive fine-needle aspiration (FNA) or by the presence of a measurable nodule on high-quality imaging techniques that is positive at 68Gallium DOTATOC-PET scan. Conclusion: The ASPEN study is designed to investigate if an active surveillance of asymptomatic NF-PanNEN ≤2 cm is safe as compared to surgical approach.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFront Med (Lausanne). 2020 Dec 23;7:598438.pt_PT
dc.identifier.doi10.3389/fmed.2020.598438.pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.17/3963
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherFrontiers Media SApt_PT
dc.subjectHCC CHBPTpt_PT
dc.subjectASPEN Studypt_PT
dc.subjectNF-PanNEN_2 cmpt_PT
dc.subjectFollow-Uppt_PT
dc.subjectManagementpt_PT
dc.subjectSurgerypt_PT
dc.subjectSmall Nonfunctioning Pancreatic Neuroendocrine Neoplasmpt_PT
dc.subjectSurveillancept_PT
dc.titleManagement of Asymptomatic Sporadic Nonfunctioning Pancreatic Neuroendocrine Neoplasms (ASPEN) ≤2 cm: Study Protocol for a Prospective Observational Studypt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPage598438pt_PT
oaire.citation.titleFrontiers in Medicinept_PT
oaire.citation.volume7pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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