Oncology

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INTRODUCTION: Hepatocellular carcinoma (HCC) is a leading cause of cancer death worldwide. Lack of biomarkers for follow-up after treatment is a clinical challenge. DNA methylation has been proposed to be a potential biomarker in HCC. However, there is still lacking of evidence of its clinical use. This study aims to evaluate the value of using plasma Adenomatous Polyposis Coli promoter methylation level (APC-MET) as a potential biomarker in HCC treatment. METHOD: A total of 96 patients with HCC at BCLC stage B underwent local tumor ablation treatment were prospectively included in this study...

BACKGROUND: There remains a lack of studies addressing the stromal background and fibrosis features and its prognostic value in liver cancer. qFibrosis can identify, quantify and visualize the fibrosis features from biopsy samples. In this study, we aim to demonstrate the prognostic value of histological features by using qFibrosis analysis in liver cancer patients. METHODS: Liver specimen from 201 patients with hepatocellular carcinoma underwent curative resection were imaged and assessed using qFibrosis system, and generated a total of 33 and 156 collagen parameters from tumor part and non-tumor liver tissue, respectively...

INTRODUCTION: The study explored the failure pattern and clinical outcomes in patients with ependymoma undergoing radiotherapy. METHODS: Between January 2004 and June 2022, we included 32 patients with ependymoma who underwent radiotherapy as part of the multimodality treatment at our institution. Of these, 27 (84.4%) underwent adjuvant radiotherapy, four received radiotherapy after local recurrence, and one received definitive CyberKnife radiotherapy (21 Gy in three fractions)...

INTRODUCTION: Nuclear envelope spectrin repeat protein (Nesprin) 1 encoded by SYNE1, crucially regulates the morphology and functions of the cell. Mutations in the SYNE1 gene are associated with various diseases; however, their significance in renal cell carcinoma (RCC) remains unknown. In this study, we have investigated the association of SYNE1/Nesprin1 with the progression and prognosis of clear cell RCC (ccRCC). METHODS: In silico analyses of publicly available datasets of patients with RCC were performed...

INTRODUCTION: Additional considerations are required for the benefit-risk assessment of new drugs or indications in the setting of (neo)adjuvant cancer treatment as compared to the metastatic/advanced setting, possibly leading to different decision patterns for the (neo)adjuvant versus the metastatic and advanced setting within a health authority but also among different health authorities. METHODS: We analyzed regulatory decisions at the Swiss Agency for Therapeutic Products Swissmedic (SMC) for all oncology indications (mostly metastatic indications) and indications in the (neo)adjuvant setting and compared these to decisions taken by the European Medicines Agency (EMA) and the United States Food and Drug Administration (FDA)...

INTRODUCTION: Myelodysplastic syndrome (MDS) is a heterogeneous disease characterized by cytopenia, marrow dysplasia and has a propensity to develop into acute myeloid leukemia (AML). The disease progression is majorly affected by genetic defects. However, about 40% - 50% of patients with MDS present with a normal karyotype and develop different courses of disease. Hence there remains a room to advance the biological understanding and to find molecular prognostic markers for cytogenetically normal (CN) MDS...

INTRODUCTION: The effectiveness of transarterial chemoembolization (TACE) in treating hepatocellular carcinoma (HCC) has been well established. The differential impacts of drug-eluting bead TACE (DEB-TACE) as opposed to conventional TACE (cTACE) on vascular changes, such as arterial-portal venous shunts (APS), have been recognized. However, their subsequent effects on treatment outcomes have not been fully explored. This study aims to identify risk factors associated with the occurrence of APS in HCC patients treated with DEB-TACE and to evaluate its impact on patient survival...

Introduction Breast cancer is the most common cancer and the leading cause of cancer death in women. Recent research indicates that human endogenous retroviruses (HERVs) may be linked to carcinogenesis, but the data remain controversial. Methods HERVs´ expression was evaluated to show the differences between breast cancer and control samples, and their associations with clinicopathological parameters. Gene expression of 12 HERVs, i.e. ERVE-4, ERVW-1, ERVFRD-1, ERVV-1, ERV3-1, ERVH48-1, ERVMER34-1, ERVK7, ERVK13-1, ERVK11-1, ERVK3-1 and HCP5 was analyzed by qPCR and/or TCGA datasets for breast cancer...

INTRODUCTION: Atezolizumab plus bevacizumab (AteBev) combination treatment is widely used as first-line systemic therapy for unresectable hepatocellular carcinoma (uHCC). We aimed to clarify therapeutic issues regarding serum cytokines and the immune reaction in patients with uHCC treated with AteBev. METHODS: We analyzed preserved serum from a previous prospective study on adult Japanese patients with chronic liver disease and uHCC who received AteBev treatment at our hospital...

[Introduction] Anti-p53 antibody (p53Ab) is useful for monitoring colorectal cancer (CRC) recurrence. We retrospectively analyzed the clinical impact of p53Ab ratio (p53R) before and after surgery to predict recurrence in patients with CRC. [Methods] In total, 1,223 patients with stage I-III CRC who underwent curative surgery between January 2005 and December 2019 were enrolled in this retrospective study. In patients with elevated p53Ab levels, p53R was calculated by measuring p53Ab levels within one month preoperatively and three months postoperatively...

Background Gastric cancer (GC) remains a significant global public health problem, despite the decreasing trends in GC mortality rates in the last five decades. Our study aimed to examine the pattern of GC mortality in Montenegro between 1990 and 2018 and to contribute to the future designing a national long-term strategy for the control and prevention of GC. Methods Gastric cancer mortality data in Montenegro from 1990 to 2018 were collected. Mortality rates were age-standardized to the World Standard Population for estimating both the overall and gender-specific trends...

INTRODUCTION: Information regarding HER2-low tumors in metastatic gastric cancer is sparse. Our aim here was to determine the frequency of low HER2 expression in metastatic gastric cancer and to compare the clinicopathological characteristics, survival, and treatment response of HER2-low patients with HER2-zero patients. METHODS: All the data were collected retrospectively from computerized system of the hospital. We categorized the patients according to clinicopathological features, treatment responses, and survival in terms of HER2-low tumors and HER2-zero tumors...

Introduction Recurrence after microwave ablation (MWA) has not been extensively studied. We aimed to investigate the patterns, treatments, and survival of patients with hepatocellular carcinoma (HCC) who experienced early and late recurrence after MWA. Methods This retrospective study included patients with HCC recurrence after MWA as the initial treatment from January 2008 to December 2021. Recurrence patterns, treatments, and outcomes between patients with early and late HCC recurrence were compared. Prognostic factors of post-recurrence survival (PRS) were identified by multivariable Cox regression analyses...

BACKGROUND: Lymphoma, encompassing common non-Hodgkin lymphoma (NHL) and less common Hodgkin lymphoma (HL), represents significant hematological malignancies. Advancements in treatment modalities have reshaped survival rates, particularly in NHL. This complexity results in varying outcomes, some requiring extended observation periods and multiple chemotherapy treatments. OBJECTIVE: The primary objective is to explore and compare the overall survival (OS) of HL and NHL at 1, 3, and 5-year follow-ups among adult lymphoma patients in Qatar during January 2013 - December 2017...

INTRODUCTION: Combination therapy of anti-programmed cell death 1 (PD-1)/programmed cell death ligand 1 (PD-L1) antibodies and platinum-based chemotherapy has been widely used as a first-line treatment for patients with unresectable advanced non-small cell lung cancer (NSCLC) in clinical settings; however, prognostic biomarkers associated with survival outcomes have not been sufficiently investigated. METHODS: We enrolled 147 previously untreated patients with advanced NSCLC who were treated with a combination therapy of anti-PD-1/-PD-L1 antibodies and platinum-based chemotherapy at eight institutions in Nagano Prefecture between December 2018 and April 2023...

INTRODUCTION: Recent studies have suggested enhanced therapeutic effects of subsequent chemotherapy after immune checkpoint inhibitor (ICI) treatment, highlighting the importance of subsequent treatment selection. Nanoparticle albumin-bound paclitaxel (nab-PTX) is commonly used in subsequent chemotherapies; however, its efficacy as a subsequent treatment after ICI treatment has not been reported. METHODS: We retrospectively evaluated the efficacy and safety of nab-PTX using two prospective studies that we previously reported...

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BACKGROUND: Lenvatinib and sorafenib are key therapeutic agents for hepatocellular carcinoma. However, there are no useful biomarkers for selecting molecular-targeted agents (MTAs). Skeletal muscle volume is associated with the clinical outcomes in these patients. We investigated the effects of lenvatinib and sorafenib on the skeletal muscles of patients with HCC. METHODS: We evaluated the impact of skeletal muscle changes over a 3-month period for each MTA (n = 117; lenvatinib/sorafenib, 45/72)...

Introduction Malignant brain tumors are malignancies which are known for their low survival rates. Despite advancements in treatments in the last decade, the disparities in malignant brain cancer mortality among the US population remain unclear. Methods We analyzed death certificate data from the U.S. CDC WONDER from 1999 to 2020 to determine the longitudinal trends of malignant brain tumor mortality. Malignant brain tumor (ICD-10 C71.0-71.9) was listed as the underlying cause of death. Age-adjusted mortality rates (AAMRs) per 100,000 individuals were calculated by standardizing the AAMR to the year 2000 U...