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Concomitant antihistamine administration is associated with improved survival outcomes in patients with locally advanced or metastatic urothelial carcinoma treated with atezolizumab. Analysis of individual participant data from IMvigor210 and IMvigor211.
Urol Oncol
January 2025
Department of Urology, University of Texas, MD Anderson Cancer Center, Houston, TX; Department of Urology, University of Cincinnati, Cincinnati, Ohio. Electronic address:
Objectives: Survival outcomes of patients with metastatic urothelial carcinoma (mUC) are still suboptimal and strategies to enhance response to immune-oncology (IO) compounds are under scrutiny. In preclinical studies, it has been demonstrated that antihistamines may reverse macrophage immunosuppression, reactivate T cell cytotoxicity, and enhance the immunotherapy response. We aimed to evaluate the role of concomitant antihistamines administration on oncological outcomes among patients with mUC.
View Article and Find Full Text PDFContemporary prostate cancer radiation therapy trials may underestimate the risk of biochemical recurrence.
J Sex Med
December 2024
Sexual & Reproductive Medicine Program, Urology Service, Memorial Sloan Kettering Cancer Center, New York, NY 10065, United States.
Background: Radiotherapy is often given with androgen deprivation therapy for prostate cancer which causes a reduction in testosterone levels, which when below castrate levels, can cause the prostate specific antigen (PSA) levels to be artificially low.
Aim: To determine if high-level radiotherapy clinical trials are underestimating biochemical recurrence (BCR) rates due to inadequate measurement of testosterone levels.
Methods: The study plans for clinical trials performed by the Radiation Therapy Oncology Group (RTOG [now NRG]) on clinicaltrials.
CD28 shapes T cell receptor signaling by regulating Lck dynamics and ZAP70 activation.
Front Immunol
January 2025
Laboratory of Cellular and Molecular Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States.
Introduction: T cell activation requires T cell receptor (TCR) engagement by its specific ligand. This interaction initiates a series of proximal events including tyrosine phosphorylation of the CD3 and TCRζ chains, recruitment, and activation of the protein tyrosine kinases Lck and ZAP70, followed by recruitment of adapter and signaling proteins. CD28 co-stimulation is also required to generate a functional immune response.
View Article and Find Full Text PDFCirculating immune biomarkers correlating with response in patients with metastatic renal cell carcinoma on immunotherapy.
JCI Insight
January 2025
Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, United States of America.
As multiple front-line immune checkpoint inhibitor (ICI)-based combinations are approved for metastatic renal cell carcinoma, biomarkers predicting for ICI responses are needed past clinical prognostication scores and transcriptome gene expression profiling. Circulating markers represent opportunities to assess baseline and dynamic changes in immune cell frequency and cytokine levels while on treatment. We conducted an exploratory prospective correlative study of 33 patients with metastatic clear cell renal cell carcinoma undergoing treatment with ICIs and correlated changes in circulating immune cell subsets and cytokines with clinical responses to treatment.
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