Evidence map›Paper›PMID 39801655›Full record

SynthesisFrontiers in oncology2024

Total neoadjuvant therapy based on short-course radiotherapy versus standard long-course chemoradiotherapy for locally advanced rectal cancer: a systematic review and meta-analysis of randomized controlled trials.

Wenji Pu, Wenqi Chen, Haiman Jing, Jishi Li, Yong Jiang, Shasha Li, Weijie Wen, Zhiyuan Xu, Jing Jin

Erratum issuedAbstract readSystematic Review
In one paragraph

Synthesis in Frontiers in oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 2 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
2citing 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

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

  1. Pooled it
  2. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors.

Wenji PuDepartment of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
Wenqi ChenDepartment of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
Haiman JingDepartment of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
Jishi LiDepartment of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
Yong JiangDepartment of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
Shasha LiDepartment of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
Weijie WenDepartment of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
Zhiyuan XuDepartment of Clinical Oncology, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China.
Jing JinDepartment of Radiotherapy, National Cancer Center/National Cancer Clinical Medical Research Center/Shenzhen Hospital, Cancer Hospital of Peking Union Medical College, Chinese Academy of Medical Sciences, Shenzhen, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: We conducted the meta-analysis to compare the therapeutic effects of total neoadjuvant therapy (TNT) based on short-course radiotherapy followed by consolidation chemotherapy (SCRT/CCT) and long-course chemoradiotherapy (LCCRT) for locally advanced rectal cancer (LARC) according to certain significant randomized controlled trials (RCTs). Methods: The researchers retrieved several databases, including PubMed, Embase, Web of Science, and the Cochrane Library, to collect all the relevant literature published since the establishment of the databases until July 30, 2024, and then screened to determine the qualified literature and extracted the relevant information. Finally, RevMan 5.4 software was utilized to conduct the meta-analysis for determining the 95% confidence interval (CI) and pooled risk ratio (RR). There were 9 study indicators, including the pathologic complete remission (pCR) rate, tumor downstaging rate, R0 resection rate, sphincter preservation rate, disease-free survival (DFS), overall survival (OS), acute ≥3 grade toxicity rate, surgery complication rate, and distant recurrence rate. When moderate, even severe, heterogeneity was found, a random-effect model was applied; otherwise, a fixed-effect model was used for the analysis. Results: A total of 6 eligible RCTs and 2259 participants were included in this meta-analysis. Compared with the standard LCCRT, TNT treatment on the basis of SCRT/CCT increased the pCR rate significantly [RR = 1.67, 95% CI (1.36, 2.04), P < 0.00001], especially in ≥ 4 cycles of the CCT arm [RR = 1.77, 95% CI: (1.41-2.23), p < 0.00001], and led to a similar tumor downstaging rate [RR = 0.99, 95% CI (0.85, 1.15), P = 0.92]. Moreover, survival outcomes, distant recurrence rate, and surgical indicators were comparable between the two groups. Conclusion: For LARC patients, the SCRT/CCT regimen not only has a higher pCR rate, equivalent OS, and comparable additional indicators versus standard LCCRT but also shortens the treatment time, costs less, and improves patients' adherence to the innovative anti-tumor therapy; hence, with the concept of acute toxicity control, it could be further widely and safely utilized, especially in resource-limited settings. Systematic review registration: https://www.crd.york.ac.uk/prospero/, identifier CRD42024600180.

Indexed as

consolidation chemotherapydisease free survivallocally advanced rectal cancerneoadjuvant chemoradiotherapyoverall survivalpathological complete responseshort-course radiotherapytotal neoadjuvant therapy

Identifiers

PMID39801655
PMCPMC11718365

What OpenQuestion holds

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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.