Evidence map›Paper›PMID 27661028›Full record

ArticleMedicine2016

Long-term results of intraoperative electron beam radiation therapy for nonmetastatic locally advanced pancreatic cancer: Retrospective cohort study, 7-year experience with 247 patients at the National Cancer Center in China.

Yingtai Chen, Xu Che, Jianwei Zhang, Huang Huang, Dongbing Zhao, Yantao Tian, Yexiong Li, Qinfu Feng, Zhihui Zhang, Qinglong Jiang and 8 more

Open access · goldAbstract readEvaluation Study
In one paragraph

Article in Medicine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
0.8field-weighted citation impact, top 24% 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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed, 20 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Intraoperative Radiation for Pancreatic Cancer.Seminars in radiation oncology · 2025
    Review
  4. The impact of metastatic sites on survival Rates and predictors of extended survival in patients with metastatic pancreatic cancer.Pancreatology : official journal of the International Association of Pancreatology (IAP) ... [et al.] · 2024
    Article
  5. Article
  6. Article
  7. Article
  8. [Intraoperative radiotherapy-Indications and options in visceral surgery].Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen · 2020
    Review
  9. Observational
  10. Review
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

18 authors at 2 institutions in 2 countries.

Yingtai ChenCancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, China National Cancer Center, Beijing, China School of Public Health, Yale University, New Haven, CT.
Xu Che
Jianwei Zhang
Huang Huang
Dongbing Zhao
Yantao Tian
Yexiong Li
Qinfu Feng
Zhihui Zhang
Qinglong Jiang
Shuisheng Zhang
Xiaolong Tang
Xianghui Huang
Yunmian Chu
Jianghu Zhang
Yuemin Sun
Yawei Zhang
Chengfeng Wang
Chinese Academy of Medical Sciences & Peking Union Medical College · CNYale University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To assess prognostic benefits of intraoperative electron beam radiation therapy (IOERT) in patients with nonmetastatic locally advanced pancreatic cancer (LAPC) and evaluate optimal adjuvant treatment after IOERT.A retrospective cohort study using prospectively collected data was conducted at the Cancer Hospital of the Chinese Academy of Medical Sciences, China National Cancer Center.Two hundred forty-seven consecutive patients with nonmetastatic LAPC who underwent IOERT between January 2008 and May 2015 were identified and included in the study. Overall survival (OS) was calculated from the day of IOERT. Prognostic factors were examined using Cox proportional hazards models. The 1-, 2-, and 3-year actuarial survival rates were 40%, 14%, and 7.2%, respectively, with a median OS of 9.0 months. On multivariate analysis, an IOERT applicator diameter < 6 cm (hazards ratio [HR], 0.67; 95% confidence interval [CI], 0.47-0.97), no intraoperative interstitial sustained-release 5-fluorouracil chemotherapy (HR, 0.46; 95% CI, 0.32-0.66), and receipt of postoperative chemoradiotherapy followed by chemotherapy (HR, 0.11; 95% CI, 0.04-0.25) were significantly associated with improved OS. Pain relief after IOERT was achieved in 111 of the 117 patients, with complete remission in 74 and partial remission in 37. Postoperative complications rate and mortality were 14.0% and 0.4%, respectively. Nonmetastatic LAPC patients with smaller size tumors could achieve positive long-term survival outcomes with a treatment strategy incorporating IOERT and postoperative adjuvant treatment.Chemoradiotherapy followed by chemotherapy might be a recommended adjuvant treatment strategy for well-selected cases. Intraoperative interstitial sustained-release 5-fluorouracil chemotherapy should not be recommended for patients with nonmetastatic LAPC.

Indexed as

AdultAgedAged, 80 and overChinaCombined Modality TherapyElectronsFemaleHumansIntraoperative CareMaleMiddle AgedPancreatic NeoplasmsPrognosisProportional Hazards ModelsProspective StudiesRadiotherapy

Identifiers

PMID27661028
PMCPMC5044898
OpenAlexW2522768714

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

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.