Ryansmith0388
72 (95% CI 3.48, 6.40;
< 0.00001) compared with those without irAEs. Subgroup analyses suggested that the prognostic role of irAEs was associated with cancer types and region, but not irAEs types. The landmark analysis of OS revealed that there is a non-proportional (early) effect of irAEs on OS in ICI-treated cancer patients (landmark >12 weeks, HR
= 1.08; 95% CI 0.89, 1.30;
= 0.46).
Our findings suggest that the occurrence of irAEs could be a prognostic factor for cancer patients who were treated with ICIs.
Our findings suggest that the occurrence of irAEs could be a prognostic factor for cancer patients who were treated with ICIs.
Early failure of cancer treatment generally indicates a poor prognosis. Here, we aim to develop and validate a pre-treatment nomogram to predict early metachronous metastasis (EMM) in nasopharyngeal carcinoma (NPC).
From 2009 to 2015, a total of 9461 patients with NPC (training cohort
= 7096; validation cohort
= 2365) were identified from an institutional big-data research platform. EMM was defined as time to metastasis within 2 years after treatment. Early metachronous distant metastasis-free survival (EM-DMFS) was the primary endpoint. A nomogram was established with the significant prognostic factors for EM-DMFS determined by multivariate Cox regression analyses in the training cohort. The Harrell Concordance Index (C-index), area under the receiver operator characteristic curve (AUC), and calibration curves were applied to evaluate this model.
EMM account for 73.5% of the total metachronous metastasis rate and is associated with poor long-term survival in NPC. The final nomogram, which included six clinical variables, achieved satisfactory discriminative performance and significantly outperformed the traditional tumor-node-metastasis (TNM) classification for predicting EM-DMFS C-index 0.721
0.638,
< 0.001; AUC 0.730
0.644,
< 0.001. click here The calibration curves showed excellent agreement between the predicted and actual EM-DMFS. The nomogram can stratify patients into three risk groups with distinct EM-DMFS (2-year DMFS 96.8%
90.1%
80.3%,
< 0.001). A validation cohort supported the results. The three identified risk groups are correlated with the efficacy of different treatment regimens.
Our established nomogram can reliably predict EMM in patients with NPC and might aid in formulating risk-adapted treatment decisions and personalized patient follow-up strategies.
Our established nomogram can reliably predict EMM in patients with NPC and might aid in formulating risk-adapted treatment decisions and personalized patient follow-up strategies.Researchers are actively seeking novel targeted therapies for the brain tumour glioblastoma (GBM) as the mean survival is less than 15 months. Here we discuss the proposal that the calcitonin receptor (CT Receptor), expressed in 76-86% of patient biopsies, is expressed by both malignant glioma cells and putative glioma stem cells (GSCs), and therefore represents a potential therapeutic target. Forty-two per cent (42%) of high-grade glioma (HGG; representative of GSCs) cell lines express CT Receptor protein. CT Receptors are widely expressed throughout the life cycle of organisms and in some instances promote apoptosis. Which of the common isoforms of the CT Receptor are predominantly expressed is currently unknown, but a functional response to cell stress of the insert-positive isoform is hypothesised. A model for resistant malignancies is one in which chemotherapy plays a direct role in activating quiescent stem cells for replacement of the tumour tissue hierarchy. The putative role that the CT Receptor plays in maintenance of quiescent cancer stem cells is discussed in view of the activation of the Notch-CT Receptor-collagen V axis in quiescent muscle (satellite) stem cells. The pharmacological CT response profiles of four of the HGG cell lines were reported. Both CT responders and non-responders were sensitive to an immunotoxin based on an anti-CT Receptor antibody. The CALCR mRNA exhibits alternative splicing commonly associated with cancer cells, which could result in the atypical pharmacology exhibited by CT non-responders and an explanation of tumour suppression. Due to the inherent instability of CALCR mRNA, analysis of CT Receptor protein in patient samples will lead to improved data for the expression of CT Receptor in GBM and other cancers, and an understanding of the role and activity of the splice variants. This knowledge will aid the effective targeting of this receptor for treatment of GBM.
Intratumor heterogeneity (ITH) has been shown to be inversely associated with immune infiltration in several cancers including clear cell renal cell carcinoma (ccRCC), but it remains unclear whether ITH is associated with response to immunotherapy (e.g. PD-1 blockade) in ccRCC.
We quantified ITH using mutant-allele tumor heterogeneity, investigated the association of ITH with immune parameters in patients with ccRCC (
= 336) as well as those with papillary RCC (pRCC,
= 280) from The Cancer Genome Atlas, and validations were conducted in patients with ccRCC from an independent cohort (
= 152). The relationship between ITH and response to anti-PD-1 immunotherapy was explored in patients with metastatic ccRCC from a clinical trial of anti-PD-1 therapy (
= 35), and validated in three equal-size simulated data sets (
= 60) generated by random sampling with replacement based on this clinical trial cohort.
In ccRCC, low ITH was associated with better survival, more reductions in tumor burden, and clo genomic metrics has been found to correlate with response to immune checkpoint inhibitors.
The research objective was to systematically review evidence on neurotrophic tyrosine receptor kinase (
) gene fusion frequency in solid tumors.
Using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, a systematic literature review (SLR) was conducted of studies published from January 1987 to 2 January 2020. Selected studies were appraised for use in meta-analysis, with frequency reported as a point estimate with confidence intervals, to estimate
gene fusion tumor incidence and prevalence.
The SLR identified 222 studies from North America (
= 122), Europe (
= 33), Asia (
= 41), Brazil (
= 5), Australia (
= 2), and multi-continental (
= 19) reporting
gene fusion frequencies across 101 histologies. Studies were prospective (
= 43) and retrospective (
= 179). Testing methods involved DNA (
= 93), RNA (
= 72), combined DNA/RNA (
= 48), protein [immunohistochemistry (IHC),
= 5], and unreported (
= 5). Sample sizes ranged from 1 to 66,871.