Articles tagged with Cancer Immunotherapy
Researchers have discovered that cancer patients who don't respond to immunotherapy often lack CD5+ dendritic cells, which are essential for effective T cell activity. Boosting these cells may help more patients benefit from immunotherapy.
Researchers developed a computational tool called BipotentR that identifies targets to block immune activation while stimulating metabolism. The tool predicted patients' outcomes after immunotherapy and identified ESRRA as the top regulator.
Researchers at Uppsala University developed a prognostic method using a combination of immune cells to provide clearer disease prognoses and predict which patients will respond best to immunotherapy. The method was shown to be associated with patient fate in several types of cancer.
Researchers developed a novel pH-activated nanocytokine system using IL-12, which enhances immunity and eradicates tumors in murine models. The nanocytokine controls inflammation through spatiotemporal regulation, blocking counteractive immune responses and reducing toxicity.
The study validated the clinical utility of Strata Oncology's proprietary pan-solid tumor predictive biomarker, Immunotherapy Response Score (IRS), which predicts response to checkpoint inhibitor therapy. IRS captures tumor biology and microenvironment by combining tumor mutation burden with quantitative expression of PD-L1, PD-1, ADAM...
Researchers at Karolinska Institutet have developed a new type of CAR T-cell therapy that effectively attacks and destroys ovarian cancer cells, significantly prolonging the lives of mice with the disease. The treatment has shown promising results in reducing tumor size and curing several mice.
Researchers at Massachusetts General Hospital found that losartan can reduce the expression of inflammatory enzymes responsible for immunotherapy-related edema. The study suggests that losartan may allow patients to continue receiving immune checkpoint inhibitors without developing adverse effects in the brain.
A research team from HKUMed identified chronic Type I Interferon signalling as a driver of CD8+ T cell exhaustion and therapy resistance. The study highlights the harmful effect of IFN-I on tumour-killing CD8+ T cells, providing new insights into immunotherapy improvement.
The world's first international clinical guidelines have been created to prevent and treat heart complications in children undergoing cancer treatment. The guidelines cover cardiovascular disease assessment, screening, and follow-up for pediatric patients receiving various cancer treatments.
Researchers identified a subset of mutations within tumor mutation burden that remain persistent and visible to the immune system, increasing likelihood of response to immunotherapy. This finding enables clinicians to more accurately select patients for clinical trials or predict clinical outcomes with immune checkpoint blockade.
Moffitt researchers found that administering oral L-fucose increases TILs, reduces tumor growth, and enhances immunotherapy efficacy in animal models. Higher L-fucose levels in melanomas are associated with less aggressive disease and better responses to therapy.
A combination of two novel immunotherapy drugs has shown promising clinical activity in treating patients with refractory metastatic colorectal cancer. The study found that 23% of patients had a tumor reduction, and the disease control rate was 76%. The treatment was well-tolerated, but adverse events were common.
Researchers found that regorafenib, a dual PDGFR α/β inhibitor, modifies the cancer microenvironment and enhances the efficacy of anti-PD-1 immunotherapy in advanced gastric cancers. This combination therapy boosts tumor infiltrating immune cells and reduces tumor fibroblasts.
Researchers found that certain gene signaling pathways, such as interferon γ and beta-catenin, can lead to tumor hyperprogression after immunotherapy. Targeting these pathways may prevent hyperprogression in preclinical models.
Researchers discovered that 15-deoxy-prostamide-J2 induces ER stress-mediated apoptosis selectively in tumor cells, reducing melanoma growth. The molecule activates PERK, IP3R, and the mitochondrial permeability transition pore, leading to cell death.
Researchers at Mass General Hospital identified a gene target, TANK-binding kinase 1 (TBK1), that enhances the effectiveness of cancer immunotherapy. Silencing TBK1 sensitizes tumor cells to immune attack, overcoming resistance to treatment.
Researchers discovered that pre-surgery immunotherapy significantly improved patient outcomes for locally advanced colorectal cancer. The treatment showed substantial longer survival benefits, including low recurrence rates, in patients with mismatch repair-deficient or microsatellite instability-high (dMMR/MSI-H) CRC.
A new study found that COVID-19 primarily affected patients with a moderate to critical course, often with comorbidities, whereas many had mild courses despite metastatic melanoma and systemic therapy, recommending continued treatment whenever possible.
Scientists have found a way to break down the resistance of mice with neuroendocrine pancreatic cancer to checkpoint blockade immunotherapy. A new drug combination, PD1-IL2v and anti-PD-L1, enhances anti-tumor immunity by stimulating specific T cells and reprogramming macrophages, leading to increased survival rates in tumor-bearing mice.
Researchers identified key metabolic pathways in tumor-associated macrophages that contribute to cancer development and progression. Targeting these pathways may provide a new perspective for immunotherapy-based cancer treatments.
Research from Michigan Medicine reveals that high levels of ammonia in colon tumors can lead to reduced T cell growth and immunotherapy resistance. A study published in Cell Metabolism found that using an FDA-approved drug to lower ammonia levels made tumors more sensitive to treatment.
Researchers found that plasma GH levels are a potential biomarker for predicting treatment outcomes in patients with advanced HCC treated with Atezo/Bev. The study showed significantly superior overall survival and non-significant trend in favor of GH-low patients compared to GH-high patients.
Researchers at the University of Pittsburgh discovered that exhausted cancer-fighting T cells can become immunosuppressive when working in low-oxygen tumor environments. Targeting these conditions can reinvigorate these cells, improving response to immune-based cancer therapies.
A study published in Cancer Research found that the stress response in T cells can hinder cancer immunotherapy. The researchers discovered that targeting key proteins involved in this stress response could help develop more potent cancer immunotherapies.
A new multidrug treatment combining pembrolizumab and all-trans retinoic acid has proven effective in treating stage IV melanoma, with an overall response rate of 71% and a one-year overall survival rate of 80%. The study's results are promising for patients who have failed traditional immunotherapy.
Researchers at Tulane University discovered that breast cancer cells use complex immune-modulatory programs to evade immune clearance, leading to treatment resistance. They identified 16 immune checkpoint genes and found that chemotherapy triggers a program of immune checkpoints that shield cancer cells from different lines of attack.
Scientists at UCSF have engineered T cells to produce a potent anti-cancer cytokine that only activates in tumor cells, eliminating melanoma and pancreatic cancer in mice. The treatment uses IL-2, which supercharges T cells to kill cancer cells while protecting against infection, offering a promising new strategy for fighting hard-to-t...
Researchers at Baylor College of Medicine found that treating patients with resectable malignant pleural mesothelioma with immunotherapy ahead of surgery resulted in significant changes to the tumor microenvironment and increased overall survival. The study's findings provide a groundwork for neoadjuvant immunotherapy in mesothelioma.
Researchers investigate how lung cancers evade the immune system to develop more effective immunotherapy treatments. The study aims to uncover a new way lung cancers disguise themselves from the immune system, potentially leading to improved treatment outcomes.
Researchers describe results using cladribine-based combination epigenetic and immunotherapy in MCL, achieving an increased overall survival greater than 40 months with durable remissions without relapse for longer than 5 years. The approach is promising in the treatment of MCL and potentially other previously treatment-refractory canc...
The E1910 trial found that adding blinatumomab to standard front-line consolidation chemotherapy improved overall survival and kept most patients in remission. The treatment, which targets malignant B cells, demonstrated its effectiveness in patients with a good prognosis after an initial round of chemotherapy.
Researchers have demonstrated successful re-treatment with CAR T cell therapy for patients whose cancers relapsed after previous treatment. The novel fourth-generation CAR T therapy, huCART19-IL18, showed safe and potent antitumor efficacy in a Phase I clinical trial.
Researchers have identified three new subtypes of glioblastoma, a type of brain cancer, based on the presence of specific non-cancer cells. These subtypes may help identify targeted therapies, such as immunotherapies, for improved patient outcomes.
A Mount Sinai study found that certain inflammatory markers can predict which patients are more likely to respond to COVID-19 immunotherapies. The researchers identified a subtype of COVID-19 patients with hyperinflammation who could benefit from pacritinib, an anti-cancer drug.
Researchers review myeloid-derived suppressor cells' phenotypes, mechanisms of immunosuppression, and roles in cancer treatment. Studies on non-malignant diseases, such as autoimmune disorders and obesity, are lacking, highlighting the need for further investigation.
Researchers at CU Anschutz Medical Campus have identified a less invasive way to treat HPV-unrelated head and neck squamous cell carcinomas by combining radiation with immunotherapy. The approach resulted in remarkable success rates, including 75% of patients experiencing major pathological responses or complete responses.
Researchers at University of Chicago Medical Center have identified biomarker predicting response to combined RT and ICB treatment in mNSCLC. High tumor aneuploidy associated with improved survival when RT is added to ICB, while low aneuploidy shows no survival benefit.
Researchers at University of Pittsburgh have designed novel nanoparticles that co-deliver a chemotherapy drug and a novel immunotherapy, shrinking tumors in mouse models of colon and pancreatic cancer. The therapy silences a gene involved in immunosuppression by blocking Xkr8 protein distribution on the cell membrane.
A single drug compound attacks prostate cancer on several fronts by triggering immune cells to attack, helping them penetrate the tumor, and cutting off its ability to use testosterone as fuel. The study found that the drug activates anti-cancer T cells in a novel way and increases their ability to penetrate tumors.
The ESMO Asia Congress 2022 will focus on the latest scientific and clinical advances in oncology, with a special emphasis on the Asia-Pacific region. Media representatives can register for coverage through the official media registration form.
A new study reveals that the protein fragile X mental retardation protein (FMRP) plays a crucial role in helping tumors evade immune destruction, leading to treatment resistance. FMRP regulates a network of genes and cells in the tumor microenvironment, contributing to its ability to hide from immune cells.
Researchers developed an algorithm using amino acid sequences of proteins called T cell receptors to predict patient response to treatment, providing insights into the biology behind an effective response. The algorithm, DeepTCR, identified patterns that are predictive of patient response as accurately as known biomarkers.
A comprehensive genomic analysis of over 200 patients with metastatic urothelial carcinomas identified potential treatment options for nearly 70% of patients. The study found that integrating clinical and molecular features could predict response to immunotherapies, offering hope for personalized treatment approaches.
Researchers from Vanderbilt University Medical Center have identified the cardiac antigen α-myosin as the mechanism for immunotherapy-related myocarditis, a rare but deadly complication affecting less than 1% of patients. The discovery sets the framework to identify biomarkers and develop strategies to tolerate immunotherapy in at-risk...
A new nanotechnology platform has successfully converted solid tumor cells into immune-activating targets, making them more receptive to immunotherapy. The approach uses a bispecific nanoconjugate to attach an immune-activating molecule to the surface of cancer cells, triggering an immune response.
A five-year review of focused ultrasound treatment for essential tremor found that patients experienced significant reductions in tremor symptoms, with benefits lasting long-term and no reported progressive or delayed complications. The study represents the largest long-term assessment yet conducted on the procedure.
Researchers developed a new taxonomy of bowel cancer using gene interaction networks, grouping tumors into six distinct clinical and molecular subtypes. This classification system could aid in precision medicine by tailoring treatments to individual patients.
Researchers used DNA barcoding to track breast cancer cells over time, finding that some cells can suppress killer T-cells and reduce MHC1 expression to evade the immune system. This study suggests epigenetic mechanisms may play a role in cancer cell adaptation and provides potential targets for therapies.
Researchers at Boston University have developed a novel platform that improves the production of T cells and Natural Killer cells from human induced Pluripotent Stem Cells (iPSCs) using Notch stimulation. This breakthrough has potential clinical applications in oncology, autoimmune diseases, and immunodeficiencies.
A new study led by University of Cincinnati researcher Trisha Wise-Draper found that immunotherapy treatments may worsen COVID-19 disease in patients with baseline immunosuppression. However, patients who received COVID-19 vaccinations had less severe COVID-19 outcomes.
Researchers discover exceptional individual with 12 tumors, shedding light on early detection methods and immune system response. Single-cell analysis technology shows promise in identifying cells with tumor potential before symptoms appear.
A comparison of two cancer drugs reveals that life cycle management strategy is crucial for a drug's commercial success. The research found that product sales are closely linked to the number of approved indications and inter-organizational alliances.
A study reveals that interleukin 34 (IL-34) modulates the balance between two myeloid-derived suppressor cell populations, leading to immunosuppression and chemoresistance in triple-negative breast cancer. Neutralizing IL-34 with a drug reduces tumor growth and susceptibility to chemotherapy.
Researchers at Cleveland Clinic are exploring the role of inflammatory cytokines in cancer treatment, with a focus on developing personalized therapies. The five-year grant will help identify potential windows for therapy and optimize treatment strategies for individual cancers.
Advanced nanoparticles carrying a bacterially derived compound target the STING pathway, disrupting blood vessels and stimulating an immune response. This approach suppresses tumor growth and metastasis in several types of cancers.
A Phase II study found that the combination of relatlimab and nivolumab was safe and completely cleared all viable tumor in 57% of patients with stage III melanoma before surgery. The overall pathologic response rate was 70%, with no grade 3 or 4 immune-related adverse events reported.
A new study reveals that urolithin A from pomegranates can rejuvenate T cells by recycling and renewing mitochondria, enhancing their ability to fight tumors. The researchers plan to investigate the application of urolithin A in clinical trials for colorectal cancer.
A phase II clinical trial has demonstrated the effectiveness of nivolumab, an immune checkpoint inhibitor, in treating advanced cutaneous squamous cell carcinoma. The study found a significant response rate of 58.3% among patients who received nivolumab, supporting its use as a standard therapy for this disease.
Researchers identified urolithin A as a compound that improves function of immune cells against cancer. The study found that urolithin A induces mitophagy in T cells, recycling and renewing mitochondria to enhance tumor-fighting capabilities.
A new approach combines an immunotherapy agent with a molecular delivery system that targets tumor acidity, successfully eradicating colorectal tumors in mice. The researchers believe this method may increase the effectiveness of STING agonist therapy for cancer patients.