Evidence map›Paper›PMID 34659220›Full record

SynthesisFrontiers in immunology2021

Viral Status and Efficacy of Immunotherapy in Hepatocellular Carcinoma: A Systematic Review With Meta-Analysis.

Ziniu Ding, Zhaoru Dong, Zhiqiang Chen, Jianguo Hong, Lunjie Yan, Haichao Li, Shengyu Yao, Yuchuan Yan, Yafei Yang, Chuncheng Yang and 1 more

Open access · goldAbstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Frontiers in immunology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 1 pooled it
2.8field-weighted citation impact, top 7% 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

28 citing papers in PubMed, 1 synthesis or guideline pooled it, 41 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Review
  4. Review
  5. Review
  6. Article
  7. How Oncovirus Affects Drug Resistance in Cancer Cells.Recent patents on anti-cancer drug discovery · 2026
    Review
  8. Article
  9. Article
  10. Article
  11. Review
  12. Advances in Immunotherapy in Hepatocellular Carcinoma.International journal of molecular sciences · 2025
    Review
  13. Article
  14. Review
  15. Article
  16. Review
  17. Review
  18. Review
  19. Article
  20. 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

11 authors at 1 institution in 1 country.

Ziniu DingDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Zhaoru DongDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Zhiqiang ChenDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Jianguo HongDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Lunjie YanDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Haichao LiDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Shengyu YaoDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Yuchuan YanDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Yafei YangDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Chuncheng YangDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Tao LiDepartment of General Surgery, Qilu Hospital, Shandong University, Jinan, China.
Qilu Hospital of Shandong University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background and Aim: Immune checkpoint inhibitors (ICIs) have been widely used in hepatocellular carcinoma (HCC), while only a subset of patients experience clinical benefit. We aimed to investigate the effects of viral etiology on response to ICIs in HCC and depict the tumor immune microenvironment (TIME) of virally infected and uninfected HCC. Methods: A systematic search was conducted in PubMed, Web of Science, Embase, and the Cochrane central register of controlled trials up to August 2021. Clinical trials reporting the efficacy of ICIs in HCC were eligible. Baseline characteristics including first author, year of publication, National Clinical Trials (NCT) registry number, study region, sample sizes, interventions, line of treatment, and viral status were extracted. Meta-analysis was conducted to generate combined odds ratios (ORs) with 95% confidence intervals (CI) based on random or fixed effect model, depending on heterogeneity. Tumor immune microenvironment was depicted using ESTIMATE and CIBERSORT algorithm. Results: Eight studies involving 1,520 patients were included. Combined data suggested that there was no significant difference of objective response rate (ORR) between virally infected HCC and non-viral HCC patients [OR = 1.03 (95% CI, 0.77-1.37; I Conclusion: Viral etiology may not be considered as the selection criteria for patients receiving ICIs in HCC, and viral status has little impact on TIME remodeling during HCC tumorigenesis.

Indexed as

AnimalsCarcinoma, HepatocellularHepacivirusHepatitis CHumansImmune Checkpoint InhibitorsImmunotherapyLiver NeoplasmsTumor MicroenvironmentImmune Checkpoint Inhibitorshepatocellular carcinomaimmune checkpoint inhibitormeta-analysistumor microenvironmentviral status

Identifiers

PMID34659220
PMCPMC8511422
OpenAlexW3203091241

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.