Articles tagged with Checkpoint Therapy
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The University of Texas MD Anderson Cancer Center has made significant advancements in cancer care through its collaborative efforts between clinicians and scientists. These breakthroughs include an immune-targeting vaccine that shows promise in intercepting cancer in patients with Lynch Syndrome, a novel immunotherapy that demonstrate...
Researchers discovered craters on the surface of melanoma cells that serve as immune hubs and facilitate local tumor killing. These structures, termed CRATERs, may serve as a more accurate marker of immunotherapy's success in treating solid tumors.
Researchers at UCSF have discovered a novel combination of immunotherapies that can reprogram the immune environment of colon cancer tumors in the liver. This therapy often eliminated tumors entirely in preclinical models, showing promise for treating patients with advanced colorectal cancer.
Research has shown that lymph nodes provide the right environment for stem-like T cells to survive, multiply, and produce killer cells. Preserving lymph nodes could strengthen immune responses and increase the effectiveness of immunotherapy. The study's findings have important implications for cancer therapy.
Research suggests that consuming high levels of sucralose can make cancer treatment less effective by disrupting the gut microbiome and altering T cell function. However, adding arginine or citrulline supplements to the diet may restore immunotherapy effectiveness in patients with melanoma and non-small cell lung cancer.
Researchers found that certain antibodies can reduce antitumor immune cells, highlighting the need to consider ADCC activity when designing or selecting ICI therapeutics. This study could help improve cancer treatment by engineering antibodies that avoid damaging essential immune cells.
Researchers have discovered an experimental mRNA vaccine that can boost tumor-fighting effects of immunotherapy, sparking a new approach to battling many types of treatment-resistant tumors. The study found that pairing the test vaccine with common anticancer drugs triggered a strong antitumor response.
A Phase II study found that 87% of patients with stage III melanoma remained alive and disease-free four years after treatment with nivolumab and relatlimab. Researchers identified unique biomarkers associated with better outcomes, including high TIGIT levels and low B7-H3 levels.
A phase 2 trial found that combining avelumab and cetuximab significantly extended median progression-free survival in patients with advanced cutaneous squamous cell carcinoma. The combination showed synergistic effects, suggesting a potential new standard of care for this patient population.
Researchers have successfully tested a CRISPR/Cas9 gene-editing technique to enhance the immune system's fight against advanced gastrointestinal (GI) cancers. The treatment showed encouraging signs of safety and potential effectiveness in patients with stage IV colorectal cancer, halting tumor growth and even achieving complete responses.
Researchers at KAIST discovered that DDX54 is the master regulator hindering immunotherapy's effectiveness in lung cancer. Supressing DDX54 enhances immune cell infiltration into tumors and improves immunotherapy efficacy.
A team of researchers from Chiba University has developed a novel radioactive drug that targets and treats metastatic melanoma. The treatment utilizes astatine-211 labeled peptide analog, which shows high accumulation in tumors, rapid clearance from non-target organs, and significant tumor suppression.
Researchers found that flagellin from the gut disrupts immune checkpoint treatment in ovarian cancer patients. Inhibiting this pathway may enhance clinical outcomes and save lives. The discovery could lead to novel therapies capable of targeting ovarian tumors.
A new AI-based model, SCORPIO, developed by Memorial Sloan Kettering Cancer Center and Mount Sinai, uses routine blood tests to predict immunotherapy response for various cancer types. The model outperforms current biomarkers in predicting outcomes, offering a more accessible and affordable solution for patient selection.
Researchers at Salk Institute establish a novel framework for the relationship between nutrition and cell identity. They found that a nutritional switch from acetate to citrate plays a key role in determining T cell fates, shifting them from active effector cells to exhausted cells.
New research from the University of Pittsburgh found that opioids can suppress the immune system and reduce the effectiveness of immunotherapy for head and neck cancer. However, peripherally restricted OPRM1 antagonists (PAMORAs) may block opioid-induced immunosuppression and improve response rates to immune checkpoint inhibitor therapy.
A recent study found a correlation between higher anti-PD-1 autoantibody levels and lower survival rates in patients with advanced liver cancer, suggesting these autoantibodies as potential biomarkers for predicting treatment response. The discovery aims to improve treatment regimens for patients with liver cancer.
A study by IRB Barcelona researchers has identified five independent factors that determine patients' response and survival after receiving checkpoint inhibitors, a type of immunotherapy. These findings provide a framework for current and future biomarkers of immunotherapy response and could lead to more accurate patient classification.
Scientists used AI to identify genes that can convert brain cancer cells into immune cells, increasing survival chances by up to 75% in mouse models. The approach bypasses the blood-brain barrier, offering new hope for aggressive cancers.
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.
Stacyann Bailey studies how cancer treatment affects bones, hoping to prevent fractures and improve patient outcomes. Up to 50% of patients with metastatic bone disease develop fractures due to treatment, making her work crucial for their quality of life.
Researchers have developed an oncolytic virus that can 'warm up' cold tumors and improve immunotherapy outcomes. The virus was engineered to carry a gene encoding a TGF-β inhibitor, which greatly increased survival rates in mice with aggressive melanoma and other cancers.
Researchers find immunotherapy treatment anti-CTLA-4 leads to greater survival in mice with glioblastoma and discover new way cells kill cancer by triggering microglia, specialized immune cells in the brain. This breakthrough could lead to more effective treatments for human brain cancer.
Researchers discovered GDF-15 blocks LFA-1 dependent T cell recruitment into the tumor microenvironment, impairing immune responses to anti-PD-1 treatment. Visugromab improved T cell infiltration and increased tumor clearance with a synergistic effect
Researchers found that MMTV-NeuT/ATTAC mice treated with anti-PD-1 therapy developed increased tumor-associated macrophages, EMT, fibroblast proliferation, and enhanced extracellular matrix. These findings suggest potential therapeutic avenues to enhance PD-1 immune checkpoint sensitivity.
Extracellular vesicles from immune cells have been shown to activate the immune system in mice with skin cancer, rendering them sensitive to checkpoint inhibitor therapy. The treatment improved survival rates when used in combination with checkpoint inhibitors.
Researchers found that immune checkpoint blockade therapy may be beneficial for certain cases of severe COVID-19. In pre-clinical trials, treatment with a PD-1 inhibitor restored T cell functionality and reduced inflammation in mice infected by MHV-A59, another betacoronavirus.
Researchers analyzed 408 patients receiving immune checkpoint inhibitor therapy and found no increased risk of side effects from receiving both immunotherapy and the vaccine. The study supports NCCN's recommendations for COVID-19 vaccination in people with cancer, citing strong protection against severe COVID-19 for all variants.
Researchers at UMC Utrecht will investigate how intestinal microbiota impacts cancer immunotherapy and therapy side effects. The project aims to develop microbiota-targeted therapies to improve ICI treatment effectiveness and reduce severe inflammation.
Researchers at the University of Pittsburgh have discovered that even terminally exhausted T cells retain some capacity to function again. They identified approaches to overcome exhaustion by targeting co-stimulation pathways and reprogramming T cells to be resistant to hypoxia, a common tumor microenvironmental signal.
Researchers have identified a germline biomarker signature that can predict serious side effects in up to 3 in 10 patients undergoing anti-PD1/PDL1 therapy. The findings represent an important step toward personalizing checkpoint therapy, potentially improving patient outcomes and reducing harm.
A nationwide study published in JAMA Oncology found that immunotherapy use among trial-ineligible solid-tumor cancer patients increased significantly between 2014 and 2019, yet no survival benefit was observed. Researchers emphasize cautious use of immunotherapies for this population due to potential early harm.
Scientists at Sanford Burnham Prebys discovered that PRMT5 inhibitors can sensitize unresponsive melanoma to immune checkpoint therapy, enhancing antigen presentation and innate immunity. The study suggests that these inhibitors may also be effective in tumors of other types, providing a potential breakthrough for cancer treatment.