Evidence map›Paper›PMID 40568960›Full record

Trial reporteLife2025

Gamma Knife stereotactic radiotherapy combined with tislelizumab as later-line therapy in pMMR/MSS/MSI-L metastatic colorectal cancer: a phase II trial analysis.

Yiran Zhang, Hanyang Guan, Shijin Liu, Haoquan Li, Zili Bian, Jiashuai He, Zhan Zhao, Shenghui Qiu, Tianmu Mo, Xiangwei Zhang and 6 more

Abstract readClinical Trial, Phase II
In one paragraph

Trial report in eLife, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. 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

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

16 authors.

Yiran Zhang *Department of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Hanyang Guan *Department of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.ORCID https://orcid.org/0009-0002-8853-6151
Shijin Liu *Department of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Haoquan LiDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Zili BianDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Jiashuai HeDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Zhan ZhaoDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Shenghui QiuDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Tianmu MoDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Xiangwei ZhangDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Zuyang ChenDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Hui DingDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Xiaoxu ZhaoDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Liang WangDepartment of Oncology, The First Affiliated Hospital of Jinan University, Guangzhou, China.
Yunlong PanDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.ORCID https://orcid.org/0000-0002-7434-6560
Jinghua PanDepartment of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, China.ORCID https://orcid.org/0000-0003-3741-3397

Funding

Clinical Frontier Technology Program of the First Affiliated Hospital of Jinan University No. JNU1AF-CFTP-2022-a01223National Natural Science Foundation of China 82204436Natural Science Foundation of Guangdong Province 2022a1515011695Natural Science Foundation of Guangdong Province 2024A1515030010Science and Technology Projects of Guangzhou 2024A03J0825
6 · The paper itself

Abstract

Background: An immunosuppressive tumor microenvironment limits the efficacy of immunotherapy, thus patients with MSS and pMMR mCRC often face great challenges. Methods: In this phase II trial, patients received Gamma Knife SBRT combined with Tislelizumab. Biomarker analysis was performed pre- and post-treatment. Results: From November 2022 to July 2024, 1of 20 patients achieved CR, 13 of 20 patients achieved PR, 6 achieved SD. mPFS was 10.7 months (95% CI, 6.4-15.0). With no grade 4 events noted, common adverse events included nausea (65%), anemia (55%), and fatigue (45%). RNA sequencing indicated enhanced immune infiltration in PR patients. For patients with pMMR/MSS/MSI-L mCRC who had not responded to first and second-line therapies, the combo of Gamma Knife SBRT and tislelizumab showed high efficacy and reasonable safety. Significant post-radiotherapy improvements in the tumor's immunosuppressive microenvironment, including lower fibrosis, normalizing of tumor vasculature, and activation of the PD-1/PD-L1 checkpoint pathway were revealed by biomarker analysis. Conclusions: These results imply that patients with pMMR/MSS/MSI-L mCRC who were unresponsive to the first and second-line chemotherapy, Gamma Knife SBRT with tislelizumab provides a safe and powerful later-line treatment alternative. Funding: This research was supported by the Clinical Frontier Technology Program of the First Affiliated Hospital of Jinan University (No. JNU1AF-CFTP-2022-a01223), the National Natural Science Foundation of China (82204436), Natural Science Foundation of Guangdong Province (2024A1515030010, 2022A1515011695), Science and Technology Projects in Guangzhou (2024A03J0825). Clinical trial number: ChiCTR2200066117.

Indexed as

Antibodies, Monoclonal, HumanizedColorectal NeoplasmsRadiosurgeryAdultAgedCombined Modality TherapyFemaleHumansMaleMiddle AgedTreatment OutcomeTumor MicroenvironmentAntibodies, Monoclonal, Humanizedtislelizumabcancer biologyhumanimmune checkpoint inhibitorsmedicinemetastatic colorectal cancermismatch repair-proficientPD-L1stereotactic body radiation therapytislelizumab

Identifiers

PMID40568960
PMCPMC12201948

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.