Neural stem cell-delivered oncolytic virus via intracerebroventricular administration enhances glioblastoma therapy and immune modulation

Background
Glioblastoma (GBM) is a highly aggressive brain tumor with poor prognosis and limited treatment options. Oncolytic virus (OV) therapy holds promise but is hindered by immune neutralization and poor tumor infiltration. Neural stem cells (NSC…

Addition of oncolytic virotherapy to clinical isolated limb perfusion for melanoma and sarcoma activates antitumor immunity

Background
We previously showed that oncolytic virotherapy delivered by isolated limb perfusion (ILP), combined with immune checkpoint inhibition, prevents both local tumor progression and systemic metastases in an animal sarcoma model.

Methods
We de…

Novel oncolytic adenovirus-based PEPvIII vaccine displays a super antitumor effect in glioma models

Background
Currently, an epidermal growth factor receptor variant III (EGFRvIII)-specific peptide (PEPvIII) vaccine has not achieved satisfactory outcomes in several clinical trials for glioblastoma. This is probably due to the poor immunogenicity of …

Nanofilament immunotherapy induces potent antitumor vaccine responses

Background
Checkpoint inhibitors revolutionized cancer treatment by potentiating antitumor immune responses. However, many patients do not respond to these therapies, often due to the lack of a pre-existing immune response against cancer cells. Develo…

Interleukin-12 encoded by the oncolytic virus VSV-GP enhances therapeutic antitumor efficacy by inducing CD8+ T-cell responses with a long-lived effector cell phenotype

Background
Vesicular stomatitis virus (VSV) pseudotyped with the glycoprotein (GP) of the lymphocytic choriomeningitis virus (VSV-GP) represents a potent oncolytic virus (OV). Oncolytic virotherapy is an emerging anticancer approach that uses viruses …

Biomineralized engineered Lactococcus lactis-based in situ vaccination enhances antitumor immunity via sequential activation of chemo-immunotherapy

Background
Combining chemotherapy with immunotherapy is a promising strategy to enhance in situ immunity by increasing antigen exposure and inflammation in the tumor microenvironment (TME). However, the inconvenience of separate administration and the…

Universal off-the-shelf combination immunotherapy using oncolytic viruses to redirect T cell engagers to target solid tumors

Background
Bispecific T cell engager (BiTE), such as blinatumomab, has demonstrated significant clinical success in treating hematological malignancies like B cell acute lymphoblastic leukemia and non-Hodgkin’s lymphoma. However, the application of Bi…

Phase 1b/2 study evaluating safety, efficacy and immune effects of TLR9 agonist cavrotolimod with anti-PD-1 antibodies among patients with advanced solid tumors

Background
There is an unmet need for novel immunotherapies to overcome immune evasion in patients with advanced skin cancers resistant to programmed death (PD)-1 / PD-ligand 1 (PD-L1) blockade. Cavrotolimod is a novel spherical nucleic acid configura…

hCCL19-expressing recombinant Newcastle disease virus boosts CAR T cell infiltration and efficacy in solid tumor

Background
Chimeric antigen receptor (CAR) T cell therapy has revolutionized the treatment of hematological malignancies; however, it faces significant challenges in treating solid tumors, including limited immune infiltration into tumor tissues and i…

Specific inhibitor to KRASG12C induces tumor-specific immunity and synergizes with oncolytic virus for enhanced cancer immunotherapy

Background
Oncolytic virus (OV)-mediated immunotherapy has been shown limited efficacy. Small molecule inhibitors specific to the KRASG12C driver oncoprotein have recently been developed for cancer treatment. The combination of a potent OV with a KRAS…

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