Articles tagged with Cancer Immunotherapy
Researchers at UCLA Health Jonsson Comprehensive Cancer Center discovered that the protein IRF1 can both hinder and help the body's immune response to tumors, depending on which cells it is found in. The study suggests that targeting IRF1 could enhance cancer treatment effectiveness by boosting natural antitumor immunity.
The study compared FDG-PET/CT and CT for evaluating treatment response in unresectable malignant pleural mesothelioma patients. The results showed that both imaging modalities provided accurate findings for tumor response evaluation, with high concordance between the two methods.
Immunotherapy has emerged as a promising approach in treating metastatic colorectal cancer, especially for patients with dMMR/MSI-H tumors. The use of immune checkpoint inhibitors has shown favorable outcomes in clinical trials, including improved progression-free survival and disease control rates.
Researchers develop optogenetic system to precisely target cancer cells using light, inducing inflammatory cell death and triggering immune response. The approach aims to modulate the immune suppressive environment around cancer cells, helping T cells recognize and attack the disease.
Scientists have developed a new immunotherapy that can identify and fight cancer cells in patients with Merkel cell carcinoma. The treatment involves stimulating the immune system's T cells against specific elements of the virus involved in cancer formation.
Researchers develop a method that fuses AlphaFold's strengths with computer simulations based on physics laws to predict protein structures, enabling faster drug development. The approach filters down initial hypotheses to a more manageable set of structures, increasing the effectiveness of pharmaceuticals.
Researchers describe a new concept for an immune response against cancer and aging using senescent cell-derived vaccines. The vaccines aim to stimulate the immune system against cancer cells and slow down or reverse aging-related diseases.
Researchers at Howard University have identified a new therapeutic strategy to combat prostate cancer by depleting amino acids. This depletion induces oxidative stress and DNA damage in cancer cells, making them more susceptible to treatment with DNA repair-targeted and immune checkpoint blockade therapies.
Researchers found that adding an anti-inflammatory drug to immune checkpoint inhibitor therapy resulted in a high response rate of 67% among patients with stage 4 non-small cell lung cancer. The study suggests that reducing chronic inflammation may improve the effectiveness of immunotherapy.
Researchers identify key factors that determine when melanoma metastasizes, shedding light on optimal treatment strategies. Understanding tumor doubling time and risk assessment can help clinicians select high-risk patients who may benefit from adjuvant systemic therapy.
A new trial indicates that immunotherapy could successfully treat the most common form of colorectal cancer. The study, published in Nature Medicine, found that botensilimab and balstilimab caused tumours to shrink or remain stable in 61% of patients with microsatellite stable metastatic colorectal cancer.
A new study finds that periods of fasting can reprogram the immune system's natural killer cells to better fight cancer. The research suggests that fasting may help improve immune responses and make immunotherapy more effective by training NK cells to survive in the tumor environment and produce more cytokines.
Researchers found TIMP-1 enhances antitumor immunity through self-stimulation and activates immune cells. Increasing TIMP-1 expression could improve cancer immunotherapies in patients with deficient immune responses.
Researchers at Wyss Institute develop subcutaneous scaffolds to restimulate CAR-T cells, increasing therapeutic efficacy in mice with aggressive blood tumors. The biomaterials increase CAR-T cell numbers and steer differentiation into tumor-killing T cells.
A Vanderbilt University Medical Center-led research team discovered a connection between obesity and cancer, revealing that macrophages play an unexpected role in the complicated connection. Obesity increases macrophage frequency in tumors and induces PD-1 expression, which can contribute to both increased cancer risk and enhanced resp...
A recent study suggests that inhibiting epigenetic control enzymes in immune cells, specifically HDAC1, improves anti-tumor immunity and tumor surveillance. This finding could lead to new therapeutic strategies in cancer immunotherapy.
A novel combination of oncolytic virus and immune checkpoint inhibitor has shown remarkable efficacy in treating non-muscle invasive bladder cancer, with a complete response rate of 57.1% at 12 months. The therapy demonstrated durable responses, with a median duration of response not yet reached after a median follow-up of 26.5 months.
The Association for Molecular Pathology has published guidelines for tumor mutational burden (TMB) testing, aiming to standardize calculation and reporting of TMB as a predictive biomarker for immune checkpoint inhibitor therapies. These recommendations emphasize the importance of comprehensive methodological descriptions in publications.
A short course of immunotherapy prior to surgery was highly effective in treating colon cancer, with 95% of patients showing significant tumor reduction or complete elimination. The treatment also showed promising results in preventing cancer recurrence and metastasis over a two-year follow-up period.
Researchers found that tumor-associated macrophages respond to physical properties of fibrosis by synthesizing injury-associated collagens, resulting in metabolic changes that suppress CTL function. This provides an alternative explanation for why anti-tumor immunity is impaired in fibrotic solid tumors.
Researchers demonstrate the utility of analysing circulating tumor DNA (ctDNA) through a high-sensitivity liquid biopsy platform, allowing for early prediction of treatment response and prognosis. The study shows that detecting low levels of ctDNA can predict longer progression-free survival and overall survival.
A study from Michigan Medicine reveals a connection between neutrophil activation and severe cytokine release syndrome (CRS), a potentially life-threatening reaction to CAR T-Cell therapy. Researchers identified biomarkers of NETosis, a process in which neutrophils create webs that may contribute to CRS.
The NADINA trial found that 59% of patients responded well to neoadjuvant immunotherapy before surgery, allowing them to forgo adjuvant treatment. This treatment approach also showed rapid effects, with 95% of patients remaining tumor-free after just six weeks.
A new 'armored' form of CAR T cell therapy, developed by University of Pennsylvania researchers, has shown significant responses in patients whose cancers don't respond to current CAR T cell therapies. The three-day manufacturing process also shortens treatment time for aggressive, fast-growing cancers.
Scientists at Gladstone Institutes used CRISPR interference to map the layered mechanisms controlling expression of key immune genes. The study provides valuable insights into immune balance, autoimmunity, and cancer immunotherapies, shedding light on genetic variants linked to disease risk and potential treatments.
A new type of immunotherapy has been developed to treat bone cancer osteosarcoma, with promising preclinical results in mice. The treatment uses gamma-delta T cells, which are less well-known immune cells that can be engineered to target tumours.
Researchers found that optimizing individual time-of-day delivery can significantly enhance the efficacy of immune checkpoint blockades in solid tumors. Proper regulation of circadian rhythms is necessary to suppress inflammation and support peak immune function.
Researchers at the University of Houston have identified a subset of T cells called CD8-fit that show high motility and serial killing capabilities in patients with clinical responses. These cells were discovered using a patented approach called TIMING, which evaluates cell behavior and movement to identify potential cancer-killing cells.
Researchers found that extending treatments to every six weeks instead of every three weeks would require 15,000 fewer infusions and reduce greenhouse gas emissions by 200 tons per year. This change could improve patient quality of life and result in cost savings for the healthcare system.
A new strain of vaccinia virus has been developed to induce immunogenic cell death in tumor cells, increasing immunogenicity and reducing toxicity. The virus shows high efficiency in activating immune responses against various types of cancer, including melanoma, colon, and kidney cancer.
A study by UCLA Health Jonsson Comprehensive Cancer Center researchers found that combining experimental immunotherapy drugs with chemotherapy significantly improves progression-free survival and overall survival for patients with metastatic colorectal cancer. The median progression-free survival was 6.2 months compared to 2.1 months f...
Researchers have identified collagen features as valuable biomarkers for evaluating melanoma immunotherapy response. Single-fiber characteristics were found to be more sensitive to treatment-induced changes than bulk collagen features, offering insights into collagen remodeling over time.
Researchers from Penn Medicine's Abramson Cancer Center and Perelman School of Medicine will present results from clinical trials for esophageal cancer, CAR T cell therapy, and ovarian cancer. The meeting will feature more than 200 sessions on AI in cancer care.
A recent study uses AI to analyze body composition in patients with lung cancer treated with immunotherapy, finding that changes in muscle mass and fat quality are important indicators of outcomes. The research provides a more nuanced understanding of the relationship between body composition and response to immunotherapy.
A novel therapy has been developed to reprogram macrophage immune cells, shifting their balance toward antitumor activity. The treatment, JHU083, blocks the use of glutamine in tumors, reducing growth and triggering cell death. It also boosts immune-activating macrophages, recruiting tumor-killing T-cells and natural killer cells.
Researchers found that a specific strain of gut bacteria enhances the effects of cancer immunotherapy, leading to tumor shrinkage. The discovery could lead to next-generation probiotics that synergize with immunotherapy to improve cancer care.
A Cleveland Clinic-led team of scientists discovered that protein VISTA can directly turn off tumor-fighting T-cells during immunotherapy and resist treatment. The interaction between VISTA and a newly discovered inhibitory receptor LRIG1 suppresses T cell replication, survival, and function.
Researchers found that ARID1A mutation renders tumors sensitive to immunotherapy by triggering an antiviral immune response. This could lead to improved patient outcomes and the development of targeted therapies.
Researchers discuss therapeutic opportunities for hypermutated urothelial carcinomas that are resistant to immunotherapy, including the potential of targeted therapies. High TMB is associated with defects in mismatch repair proteins and can lead to increased sensitivity to cancer treatments.
Dr. Jedd Wolchok joins the Vilcek Foundation board with a wealth of experience in immunotherapy and oncology, having previously served as a juror for the foundation's Creative Promise prizes. His appointment comes after establishing himself as a leader in his field through groundbreaking research and clinical trials.
Researchers developed a predictive model, TRTpred, to identify the most potent cancer killing immune cells using artificial intelligence. The model achieved 90% accuracy in identifying tumor-reactive T cells and can be applied to personalized cancer treatments.
A study published in Science reveals two patterns of tumor-infiltrating B cell responses: germinal center-like and extra-follicular. The former is associated with anti-tumor immunity, while the latter is linked to an immunosuppressive tumor microenvironment. Researchers propose targeting atypical memory B cells for cancer immunotherapy.
Researchers from Wyss Institute and Harvard University developed a biomaterial vaccine that enhances and sustains lymph node expansion, leading to more effective anti-tumor responses. The vaccine formulation, based on microscale mesoporous silica rods, reprograms antigen-presenting cells to orchestrate complex immune responses.
Researchers at the University of Chicago show that a drug molecule targeting RNA modifications associated with neuroblastoma suppresses tumor growth in mice. High levels of METTL3 expression were linked to significantly lower survival rates in patients, suggesting it drives tumor growth.
Researchers at DKFZ and UMM found that NK cells can impair the effect of cancer therapies using immune checkpoint inhibitors by controlling activated T cells. They identified B7H6 as a recognition molecule for NK cell attacks, which could limit excessive activation and expansion of T cells.
Researchers developed an in-situ cancer vaccine that targets mutated proteins on cancer cells and triggers immunity. The vaccine was combined with chemotherapy, increasing survival rates in AML patients.
Researchers at the University of Wisconsin-Madison have developed a novel approach to treating pancreatic cancer using nano-drugs delivered via bacteria. The treatment bypasses the dense collagen barrier surrounding tumors, allowing for more effective delivery of immunotherapies.
Researchers found a strong association between favorable survival outcomes and high populations of tissue-resident memory T cells in melanoma patients. The study identified 11 distinct gene signatures that correlate with T cell abundance and patient survival, suggesting a crucial role for T cells in immunomodulation.
Researchers discovered that the anatomical location of pancreatic tumors impacts treatment outcomes, suggesting a tumor-location-based model for improving patient care. The findings may lead to more specific treatment plans and better immunotherapy effectiveness.
A new anticoagulant with on-demand reversible activity has been developed by a team from UNIGE and the University of Sydney. This breakthrough offers a more reliable and easier-to-use option for surgical procedures, reducing the risk of serious bleeding associated with current treatments.
Researchers at Aarhus University have identified a way to regulate cholesterol levels to improve immunotherapies for cancer and other illnesses. By manipulating STING protein activity, they aim to bolster the body's natural defences against disease.
Researchers at the University of Notre Dame found that adding a pre-ketone supplement to an immunotherapy treatment significantly reduced prostate cancer in laboratory settings. The combination therapy made tumors sensitive to immunotherapy, leading to 23% tumor cure rates and dramatic shrinking.
Researchers at TUM have uncovered a mechanism by which tumor cells prevent the formation of immune responses, including cytotoxic T cells. This discovery provides rationales for new cancer immunotherapies and could enhance existing treatments.
The FDA has approved the use of N-803, an immunotherapy drug, in combination with BCG for treating patients with non-muscle invasive bladder cancer who did not respond to conventional treatment. The approval is based on a trial led by UCLA's Dr. Karim Chamie, which showed improved outcomes and longer overall survival rates.
Researchers discovered that liver cells secrete SAA proteins, which hinder T cell infiltration and attack tumors. Deleting SAA proteins increased survival times and likelihood of cures in mice with pancreatic tumors.
A new study developed two machine learning models to quantify CD8+ cell positivity and classify the immunophenotype of cancer specimens in patients with non-small cell lung cancer. The models hold promise for identifying patients who may benefit from immunotherapy.
Researchers at the University of Pittsburgh have discovered how to overcome resistance to conventional immunotherapies in metastatic uveal melanoma. They developed a clinical tool called Uveal Melanoma Immunogenic Score (UMIS) to predict patient response and improve treatment outcomes.
Tetracycline antibiotics have been found to enhance the antitumor activity of T lymphocytes by targeting galactin-1, an immunosuppressive protein produced by cancer cells. This breakthrough discovery may lead to the development of new drugs that target different immune pathways and benefit patients with cancer.
Researchers at Insilico Medicine have developed a novel PTPN2/N1 inhibitor with improved oral absorption and robust antitumor efficacy using the company's generative AI engine. The new compound demonstrates enhanced biological activities compared to existing inhibitors, offering new treatment possibilities for cancer patients.
A pilot study by UCLA Health investigators suggests that treating patients with immunotherapy and chemotherapy before surgery may improve long-term outcomes for those with borderline resectable pancreatic cancer. The study found a higher rate of successful tumor removal and increased overall survival when compared to historical controls.