Evidence map›Paper›PMID 32891131›Full record

ArticleBMC cancer2020

Worse treatment response to neoadjuvant chemoradiotherapy in young patients with locally advanced rectal cancer.

Yiyi Zhang, Liangliang Yan, Yong Wu, Meifang Xu, Xing Liu, Guoxian Guan

Abstract read
In one paragraph

Article in BMC cancer, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

26 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Delphi Initiative for Early-Onset Colorectal Cancer (DIRECt) International Management Guidelines.Clinical gastroenterology and hepatology : the official clinical practice journal of the American Gastroenterological Association · 2023
    Guideline
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  6. Total neoadjuvant therapy in early-onset rectal cancer: A multicentre prospective cohort study.Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland · 2025
    Article
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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

6 authors.

Yiyi ZhangDepartment of Colorectal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China.
Liangliang YanDepartment of Cardiac Surgery, Fujian Medical University Union Hospital, Fuzhou, China.
Yong WuDepartment of Colorectal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China.
Meifang XuDepartment of Pathology, Fujian Medical University Union Hospital, Fuzhou, China.
Xing LiuDepartment of Colorectal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China. fjmufylx@163.com.
Guoxian GuanDepartment of Colorectal Surgery, The First Affiliated Hospital of Fujian Medical University, Fuzhou, China. fjxhggx@163.com.

Funding

Fujian Provincial Department of Science and Technology 2015-1297Fujian Provincial Department of Science and Technology 2019J01161Fujian Provincial Department of Science and Technology JS11006Startup Fund for Scientific Research, Fujian Medical University 2018QH2027;2018S0130
6 · The paper itself

Abstract

backgroundTo evaluate the impact of age on the efficacy of neoadjuvant chemoradiotherapy (NCRT) in patients with locally advanced rectal cancer (LARC).

methodLARC patients undergoing NCRT and radical surgery from 2011 to 2018 were divided into young (< 40 years) and old (≥40 years) groups. Multivariate analyses were performed to identify predictive factors for pathological complete response (pCR). Predictive nomograms and decision curve analysis were used to compare the models including/excluding age groups. Immunohistochemical analysis was performed to detect CD133 expression in LARC patients.

resultA total of 901 LARC patients were analyzed. The young group was associated with poorly differentiated tumors, more metastatic lymph nodes, higher perineural invasion, and a lower tumor regression grade (P = 0.008; P < 0.001; P < 0.001; P = 0.003). Logistic regression analysis demonstrated that age < 40 years (HR = 2.190, P = 0.044), tumor size (HR = 0.538, P < 0.001), pre-NCRT cN stage (HR = 0.570, P = 0.036), and post-NCRT CEA level (HR = 0.877, P = 0.001) were significantly associated with pCR. Predictive nomograms and decision curve analysis demonstrated that the predictive ability of models including the age group was superior to that of models excluding the age group. Higher CD133 expression was more common in young LARC patients.

conclusionYoung patients with LARC were associated with lower pCR rates following NCRT. The ability of the predictive model was greater when based on the age group. Young LARC patients were associated with a higher CD133+ tumor stem cell burden, which contributed to the lower pCR rates.

Indexed as

AC133 AntigenAdenocarcinomaAdultAgedAge FactorsChemoradiotherapyCombined Modality TherapyDisease-Free SurvivalFemaleHumansImmunohistochemistryKaplan-Meier EstimateMaleMiddle AgedNeoadjuvant TherapyNomogramsAC133 AntigenPROM1 protein, humanAgeCD133LARCpCRPrognosis

Identifiers

PMID32891131
PMCPMC7487927

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Registered trials

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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.