Neoadjuvant chemotherapy and radiotherapy outcomes in borderline‐resectable and locally‐advanced pancreatic cancer patients

Abstract Background There is no agreed upon standard of care for borderline‐resectable pancreatic cancer (BRPC) or locally‐advanced pancreatic cancer (LAPC) patients regarding the benefit of chemotherapy or radiation alone or in combination. Patients and Methods We completed a retrospective cohort a...

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Main Authors: Gregory P. Botta, Tridu R. Huynh, Samantha R. Spierling‐Bagsic, Alexander Agelidis, Randolph Schaffer, Ray Lin, Darren Sigal
Format: Article
Language:English
Published: Wiley 2023-04-01
Series:Cancer Medicine
Subjects:
Online Access:https://doi.org/10.1002/cam4.5523
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author Gregory P. Botta
Tridu R. Huynh
Samantha R. Spierling‐Bagsic
Alexander Agelidis
Randolph Schaffer
Ray Lin
Darren Sigal
author_facet Gregory P. Botta
Tridu R. Huynh
Samantha R. Spierling‐Bagsic
Alexander Agelidis
Randolph Schaffer
Ray Lin
Darren Sigal
author_sort Gregory P. Botta
collection DOAJ
description Abstract Background There is no agreed upon standard of care for borderline‐resectable pancreatic cancer (BRPC) or locally‐advanced pancreatic cancer (LAPC) patients regarding the benefit of chemotherapy or radiation alone or in combination. Patients and Methods We completed a retrospective cohort analysis of BRPC and LAPC patients at a cancer center with expertise in multi‐disciplinary pancreatic ductal adenocarcinoma (PDAC) treatment over a 5‐year period from 03/01/2014 to 03/01/2019 (cut‐off date). The total evaluable newly diagnosed, treatment naïve, BRPC, and LAPC patients with adequate organ function and ability to obtain treatment after multidisciplinary review was 52 patients. After analysis, patients were evaluated for rates of resection, extent of resection (R0 or R1), median progression‐free survival (mPFS), and median overall survival (mOS). Results Patients were treated with chemotherapy alone (gemcitabine and nab‐paclitaxel = 77% (20/26); FOLFIRINOX = 19% (5/26); single agent gemcitabine 3.8% (1/26)), or chemotherapy followed by chemoradiation (gemcitabine +5 Gy × 5 weeks), or chemoradiation alone prior to re‐staging and potential resection. Of the 29% (15/52) of patients who went on to surgical resection, 73% (11/15) achieved R0 resection. An R0 resection was achieved in 35% (9/26) of patients treated with chemotherapy alone, 7.6% (1/13) in a patient treated with chemotherapy followed by radiation, and 7.6% (1/13) with concurrent chemoradiotherapy alone. Chemotherapy alone achieved a mPFS of 16.4 months (p  < 0.0025) and mOS of 26.2 months (p  < 0.0001), chemotherapy followed by chemoradiation was 13.0 months and 14.9 months respectively, while concurrent chemoradiotherapy was 6.9 months and 7.3 months. Conclusions and Relevance BRPC and LAPC patients capable of surgery after only receiving neoadjuvant treatment with chemotherapy had higher rates of R0 resection with prolonged median PFS and OS compared with any patient needing combination chemotherapy with radiotherapy.
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spelling doaj.art-3a3335f35a174dbb87f210673552c2472023-04-27T10:12:43ZengWileyCancer Medicine2045-76342023-04-011277713772310.1002/cam4.5523Neoadjuvant chemotherapy and radiotherapy outcomes in borderline‐resectable and locally‐advanced pancreatic cancer patientsGregory P. Botta0Tridu R. Huynh1Samantha R. Spierling‐Bagsic2Alexander Agelidis3Randolph Schaffer4Ray Lin5Darren Sigal6Division of Hematology/Oncology, Department of Medicine, Moores Cancer Center University of California San Diego La Jolla California USADivision of Hematology/Oncology, Department of Medicine, Moores Cancer Center University of California San Diego La Jolla California USAScripps Whittier Diabetes Institute Scripps Health San Diego California USAScripps Research Translational Institute La Jolla California USADivision of Hepatopancreatobiliary Surgery Scripps MD Anderson Cancer Center La Jolla California USADivision of Radiation Oncology Scripps MD Anderson Cancer Center La Jolla California USADivision of Medical Oncology Scripps MD Anderson Cancer Center La Jolla California USAAbstract Background There is no agreed upon standard of care for borderline‐resectable pancreatic cancer (BRPC) or locally‐advanced pancreatic cancer (LAPC) patients regarding the benefit of chemotherapy or radiation alone or in combination. Patients and Methods We completed a retrospective cohort analysis of BRPC and LAPC patients at a cancer center with expertise in multi‐disciplinary pancreatic ductal adenocarcinoma (PDAC) treatment over a 5‐year period from 03/01/2014 to 03/01/2019 (cut‐off date). The total evaluable newly diagnosed, treatment naïve, BRPC, and LAPC patients with adequate organ function and ability to obtain treatment after multidisciplinary review was 52 patients. After analysis, patients were evaluated for rates of resection, extent of resection (R0 or R1), median progression‐free survival (mPFS), and median overall survival (mOS). Results Patients were treated with chemotherapy alone (gemcitabine and nab‐paclitaxel = 77% (20/26); FOLFIRINOX = 19% (5/26); single agent gemcitabine 3.8% (1/26)), or chemotherapy followed by chemoradiation (gemcitabine +5 Gy × 5 weeks), or chemoradiation alone prior to re‐staging and potential resection. Of the 29% (15/52) of patients who went on to surgical resection, 73% (11/15) achieved R0 resection. An R0 resection was achieved in 35% (9/26) of patients treated with chemotherapy alone, 7.6% (1/13) in a patient treated with chemotherapy followed by radiation, and 7.6% (1/13) with concurrent chemoradiotherapy alone. Chemotherapy alone achieved a mPFS of 16.4 months (p  < 0.0025) and mOS of 26.2 months (p  < 0.0001), chemotherapy followed by chemoradiation was 13.0 months and 14.9 months respectively, while concurrent chemoradiotherapy was 6.9 months and 7.3 months. Conclusions and Relevance BRPC and LAPC patients capable of surgery after only receiving neoadjuvant treatment with chemotherapy had higher rates of R0 resection with prolonged median PFS and OS compared with any patient needing combination chemotherapy with radiotherapy.https://doi.org/10.1002/cam4.5523chemotherapypancreatic cancerradiationresection
spellingShingle Gregory P. Botta
Tridu R. Huynh
Samantha R. Spierling‐Bagsic
Alexander Agelidis
Randolph Schaffer
Ray Lin
Darren Sigal
Neoadjuvant chemotherapy and radiotherapy outcomes in borderline‐resectable and locally‐advanced pancreatic cancer patients
Cancer Medicine
chemotherapy
pancreatic cancer
radiation
resection
title Neoadjuvant chemotherapy and radiotherapy outcomes in borderline‐resectable and locally‐advanced pancreatic cancer patients
title_full Neoadjuvant chemotherapy and radiotherapy outcomes in borderline‐resectable and locally‐advanced pancreatic cancer patients
title_fullStr Neoadjuvant chemotherapy and radiotherapy outcomes in borderline‐resectable and locally‐advanced pancreatic cancer patients
title_full_unstemmed Neoadjuvant chemotherapy and radiotherapy outcomes in borderline‐resectable and locally‐advanced pancreatic cancer patients
title_short Neoadjuvant chemotherapy and radiotherapy outcomes in borderline‐resectable and locally‐advanced pancreatic cancer patients
title_sort neoadjuvant chemotherapy and radiotherapy outcomes in borderline resectable and locally advanced pancreatic cancer patients
topic chemotherapy
pancreatic cancer
radiation
resection
url https://doi.org/10.1002/cam4.5523
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