Evidence map›Paper›PMID 27532020›Full record

ArticleJournal for immunotherapy of cancer2016

A hypofractionated radiation regimen avoids the lymphopenia associated with neoadjuvant chemoradiation therapy of borderline resectable and locally advanced pancreatic adenocarcinoma.

Todd Crocenzi, Benjamin Cottam, Pippa Newell, Ronald F Wolf, Paul D Hansen, Chet Hammill, Matthew C Solhjem, Yue-Yun To, Amy Greathouse, Garth Tormoen and 5 more

2 registry-linked trialsOpen access · goldAbstract read
In one paragraph

Article in Journal for immunotherapy of cancer, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 2 registered trials, which are not on this map. Cited by 64 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
64citing papers in PubMed, 2 pooled it
5.0field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT01342224 phase1completednot on this map

Exploratory Trial of Immunochemoradiotherapy for Locally Advanced Pancreatic Adenocarcinoma

TypeinterventionalSponsorProvidence Health & ServicesRan2011 to 2018Enrolled11ConditionsLocally Advanced Pancreatic AdenocarcinomaArmstadalafil and vaccination
NCT01903083 phase1completednot on this map

Phase I Trial of Chemoimmunotherapy and Hypofractionated Radiation Therapy for Borderline Resectable and Locally Advanced Pancreatic Adenocarcinoma.

TypeinterventionalSponsorProvidence Health & ServicesRan2013 to 2017Enrolled10ConditionsLocally Advanced Malignant NeoplasmArmsTadalafil, Gemcitabine, Radiation, Pancreaticoduodenectomy
3 · Its place in the literature

Who cites it

64 citing papers in PubMed, 2 syntheses or guidelines pooled it, 106 citations in OpenAlex.

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  15. Translational Frontiers and Clinical Opportunities of Immunologically Fitted Radiotherapy.Clinical cancer research : an official journal of the American Association for Cancer Research · 2024
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4 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

15 authors at 4 institutions in 1 country.

Todd CrocenziEarle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Benjamin CottamEarle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Pippa NewellEarle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA ; The Oregon Clinic, Portland, OR 97213 USA ; Providence Hepatobiliary and Pancreatic Cancer Program, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Ronald F WolfThe Oregon Clinic, Portland, OR 97213 USA ; Providence Hepatobiliary and Pancreatic Cancer Program, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Paul D HansenThe Oregon Clinic, Portland, OR 97213 USA ; Providence Hepatobiliary and Pancreatic Cancer Program, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Chet HammillThe Oregon Clinic, Portland, OR 97213 USA ; Providence Hepatobiliary and Pancreatic Cancer Program, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Matthew C SolhjemThe Oregon Clinic, Portland, OR 97213 USA.
Yue-Yun ToEarle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Amy GreathouseEarle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Garth TormoenOregon Health and Sciences University, Sam Jackson Parkway, Portland, OR USA.
Zeljka JutricProvidence Hepatobiliary and Pancreatic Cancer Program, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Kristina YoungEarle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA ; The Oregon Clinic, Portland, OR 97213 USA.
Keith S BahjatEarle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Michael J GoughEarle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA.
Marka R CrittendenEarle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR 97213 USA ; The Oregon Clinic, Portland, OR 97213 USA.
Providence Portland Medical Center · USOregon Clinic · USProvidence College · USOregon Health & Science University · US

Funding

High dose radiation therapy to direct immune responses to pancreatic cancerR01CA182311 · NCI · PROVIDENCE PORTLAND MEDICAL CENTER · PI GOUGH, MICHAEL JAMES · 2014 to 2023
$3.6M
NCI NIH HHS R01 CA182311
6 · The paper itself

Abstract

backgroundPreclinical studies have shown synergy between radiation therapy and immunotherapy. However, in almost all preclinical models, radiation is delivered in single doses or short courses of high doses (hypofractionated radiation). By contrast in most clinical settings, radiation is delivered as standard small daily fractions of 1.8-2 Gy to achieve total doses of 50-54 Gy (fractionated radiation). We do not yet know the optimal dose and scheduling of radiation for combination with chemotherapy and immunotherapy.

methodsTo address this, we analyzed the effect of neoadjuvant standard fractionated and hypofractionated chemoradiation on immune cells in patients with locally advanced and borderline resectable pancreatic adenocarcinoma.

resultsWe found that standard fractionated chemoradiation resulted in a significant and extended loss of lymphocytes that was not explained by a lack of homeostatic cytokines or response to cytokines. By contrast, treatment with hypofractionated radiation therapy avoided the loss of lymphocytes associated with conventional fractionation.

conclusionHypofractionated neoadjuvant chemoradiation is associated with reduced systemic loss of T cells.

trial registrationClinicalTrials.gov NCT01342224, April 21, 2011; NCT01903083, July 2, 2013.

Indexed as

ChemotherapyFractionationGemcitabineHomeostatic repopulationIL-15IL-7ImmunotherapyLymphocytesLymphodepletionRadiation

Identifiers

PMID27532020
PMCPMC4986363
OpenAlexW2497169534

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.