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CT evaluation after neoadjuvant FOLFIRINOX chemotherapy for borderline and locally advanced pancreatic adenocarcinoma.

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Title: CT evaluation after neoadjuvant FOLFIRINOX chemotherapy for borderline and locally advanced pancreatic adenocarcinoma.
Authors: Wagner, Mathilde1 mathilde.wagner@aphp.fr, Antunes, Celia2, Pietrasz, Daniel3, Cassinotto, Christophe4, Zappa, Magaly5, Sa Cunha, Antonio6, Lucidarme, Oliver1, Bachet, Jean-Baptiste7
Source: European Radiology. Jul2017, Vol. 27 Issue 7, p3104-3116. 13p. 2 Black and White Photographs, 3 Diagrams, 4 Charts, 1 Graph.
Subjects: Pancreatic cancer diagnosis, Adjuvant treatment of cancer, Pancreatic cancer treatment, Adenocarcinoma, Cancer treatment, Fluorouracil, Computed tomography, Cancer chemotherapy
Abstract: Aim: To assess anatomic changes on computed tomography (CT) after neoadjuvant FOLFIRINOX (5-fluorouracil/leucovorin/irinotecan/oxaliplatin) chemotherapy for secondary resected borderline resectable (BR) and locally advanced (LA) pancreatic adenocarcinoma and their accuracy to predict resectability and pathological response.Methods: Thirty-six patients with secondary resected BR/LA pancreatic adenocarcinoma after neoadjuvant FOLFIRINOX chemotherapy (± chemoradiotherapy) were retrospectively included. Two radiologists reviewed baseline and pre-surgical CTs in consensus. NCCN (National Comprehensive Cancer Network) classification, largest axis, product of the three axes (P3A), and arterial/venous involvement were studied and compared to pathological response and resection status and to disease-free survival (DFS).Results: Thirty-one patients had R0 resection, including only six exhibiting a downstaging according to the NCCN classification. After treatment, the largest axis and P3A decreased (P < 0.0001). The pre-surgical largest axis and P3A were smaller in case of R0 resection (P = 0.019/P = 0.021). The largest axis/P3A variations were higher in case of complete pathological response (P = 0.011/P = 0.016). A decrease of the arterial/venous involvement was not able to predict R0 or ypT0N0 (P > 0.05). Progression of the vascular involvement was seen in two (5 %) patients and led to a shorter DFS.Conclusion: In BR/LA pancreatic adenocarcinoma after the neoadjuvant FOLFIRINOX regimen (± chemoradiotherapy), significant tumour size decreases were observed on CT. However, CT staging was not predictive of resectability and pathological response.Key Points: • Significant tumour size decreases were observed on CT after FOLFIRINOX (± chemoradiotherapy). • CT is not able to predict R0 resection accurately after FOLFIRINOX (± chemoradiotherapy). • CT is not able to predict complete response accurately after FOLFIRINOX (± chemoradiotherapy). • Even with a stable NCCN classification, BR/LA pancreatic adenocarcinoma could have R0 resection. [ABSTRACT FROM AUTHOR]
Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: CT evaluation after neoadjuvant FOLFIRINOX chemotherapy for borderline and locally advanced pancreatic adenocarcinoma.
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  Data: &lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Wagner%2C+Mathilde%22&quot;&gt;Wagner, Mathilde&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;i&gt; mathilde.wagner@aphp.fr&lt;/i&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Antunes%2C+Celia%22&quot;&gt;Antunes, Celia&lt;/searchLink&gt;&lt;relatesTo&gt;2&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Pietrasz%2C+Daniel%22&quot;&gt;Pietrasz, Daniel&lt;/searchLink&gt;&lt;relatesTo&gt;3&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Cassinotto%2C+Christophe%22&quot;&gt;Cassinotto, Christophe&lt;/searchLink&gt;&lt;relatesTo&gt;4&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Zappa%2C+Magaly%22&quot;&gt;Zappa, Magaly&lt;/searchLink&gt;&lt;relatesTo&gt;5&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Sa+Cunha%2C+Antonio%22&quot;&gt;Sa Cunha, Antonio&lt;/searchLink&gt;&lt;relatesTo&gt;6&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Lucidarme%2C+Oliver%22&quot;&gt;Lucidarme, Oliver&lt;/searchLink&gt;&lt;relatesTo&gt;1&lt;/relatesTo&gt;&lt;br /&gt;&lt;searchLink fieldCode=&quot;AR&quot; term=&quot;%22Bachet%2C+Jean-Baptiste%22&quot;&gt;Bachet, Jean-Baptiste&lt;/searchLink&gt;&lt;relatesTo&gt;7&lt;/relatesTo&gt;
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  Data: &lt;searchLink fieldCode=&quot;JN&quot; term=&quot;%22European+Radiology%22&quot;&gt;European Radiology&lt;/searchLink&gt;. Jul2017, Vol. 27 Issue 7, p3104-3116. 13p. 2 Black and White Photographs, 3 Diagrams, 4 Charts, 1 Graph.
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  Data: &lt;bold&gt;Aim: &lt;/bold&gt;To assess anatomic changes on computed tomography (CT) after neoadjuvant FOLFIRINOX (5-fluorouracil/leucovorin/irinotecan/oxaliplatin) chemotherapy for secondary resected borderline resectable (BR) and locally advanced (LA) pancreatic adenocarcinoma and their accuracy to predict resectability and pathological response.&lt;bold&gt;Methods: &lt;/bold&gt;Thirty-six patients with secondary resected BR/LA pancreatic adenocarcinoma after neoadjuvant FOLFIRINOX chemotherapy (&#177; chemoradiotherapy) were retrospectively included. Two radiologists reviewed baseline and pre-surgical CTs in consensus. NCCN (National Comprehensive Cancer Network) classification, largest axis, product of the three axes (P3A), and arterial/venous involvement were studied and compared to pathological response and resection status and to disease-free survival (DFS).&lt;bold&gt;Results: &lt;/bold&gt;Thirty-one patients had R0 resection, including only six exhibiting a downstaging according to the NCCN classification. After treatment, the largest axis and P3A decreased (P &lt; 0.0001). The pre-surgical largest axis and P3A were smaller in case of R0 resection (P = 0.019/P = 0.021). The largest axis/P3A variations were higher in case of complete pathological response (P = 0.011/P = 0.016). A decrease of the arterial/venous involvement was not able to predict R0 or ypT0N0 (P &gt; 0.05). Progression of the vascular involvement was seen in two (5&#160;%) patients and led to a shorter DFS.&lt;bold&gt;Conclusion: &lt;/bold&gt;In BR/LA pancreatic adenocarcinoma after the neoadjuvant FOLFIRINOX regimen (&#177; chemoradiotherapy), significant tumour size decreases were observed on CT. However, CT staging was not predictive of resectability and pathological response.&lt;bold&gt;Key Points: &lt;/bold&gt;• Significant tumour size decreases were observed on CT after FOLFIRINOX (&#177; chemoradiotherapy). • CT is not able to predict R0 resection accurately after FOLFIRINOX (&#177; chemoradiotherapy). • CT is not able to predict complete response accurately after FOLFIRINOX (&#177; chemoradiotherapy). • Even with a stable NCCN classification, BR/LA pancreatic adenocarcinoma could have R0 resection. [ABSTRACT FROM AUTHOR]
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  Data: &lt;i&gt;Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder&#39;s express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.&lt;/i&gt; (Copyright applies to all Abstracts.)
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        Value: 10.1007/s00330-016-4632-8
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      – SubjectFull: Adjuvant treatment of cancer
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