ArticleBMC immunology2024
Long-term survival after local immunotherapy for malignant gliomas: a retrospective study with 20 years follow-up.
Article in BMC immunology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
What it found
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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.
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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.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- LAK to CIK continuum in glioma immunotherapy: a systematic review of efficacy and safety outcomes.Journal of translational medicine · 2026Pooled it
- Mechanisms of Therapeutic Resistance and Recent Advances in Glioblastoma Treatment.Immunology and cell biology · 2026Review
- Glioblastoma stem cells as carriers of tumour memory: a strategy for personalised immunotherapy using tumour-infiltrating lymphocytes.Frontiers in immunology · 2026Review
- The dynamic myeloid-enriched microenvironment of glioblastoma: a major challenge to immunotherapy efficacy.Frontiers in immunology · 2026Review
Corrections and comments
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Authors and funding
13 authors.
Funding
Abstract
purposeImmunotherapy is a promising treatment for cancers but should be optimized for malignant gliomas. Because of immune privilege feature of the brain, local administration of immunotherapy may be a promising strategy for malignant glioma treatment. Identification of patients who may benefit from local immunotherapy is essential.
methodsWe retrospectively reviewed the clinicopathological characteristics and outcomes of six malignant glioma patients who received local administration of autologous cytokine-induced killer (CIK) cells through Ommaya reservoirs implanted into the tumor resection cavity. Profiles of tumor genome, transcriptome and immune microenvironment were also investigated by genomic target sequencing, RNA sequencing, electrochemiluminescence assay and immunohistochemistry (IHC) staining.
resultsFour patients died from tumor progression and the overall survival ranged from 10.0 to 33.9 months. Remarkably, two patients, including one diagnosed as diffuse hemispheric glioma H3 G34-mutant (G34-DHG, WHO grade 4) and the other diagnosed as astrocytoma (IDH1 mutation, WHO grade 3) survived more than 20 years without evidence of recurrence. The distinctive clinical feature of the two long-term survivors was tumor gross total resection (GTR) before CIK therapy. NTRK1 mutation was uniquely present and 353 genes were differentially expressed in the long-term survivors compared with the short-term survivors. These differential expression genes were highly associated with immune function. Electrochemiluminescence assay and IHC staining revealed higher expressions of cytokines and lower infiltrations of tumor-associated macrophages in the tumors of the long-term survivors.
conclusionThese findings suggest that certain patients diagnosed as malignant gliomas, including G34-DHG (WHO grade 4), can acquire long-term survival after local immunotherapy. Tumor GTR before local immunotherapy and relatively weaker immunosuppressive tumor microenvironment are the favorable factors for long-term survival. Larger, controlled studies with standardized treatment protocols, including consistent use of GTR, are warranted to further evaluate the potential benefits of locally delivered immunotherapy.
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