View clinical trials related to Esophageal Neoplasms.
Filter by:Prospective multicenter longitudinal (observational) study recruiting from tertiary centers for the surgical management of esophageal cancer; Virginia Mason Medical Center (Seattle, USA) and St Mary's Hospital (Imperial College, London, UK). This is intended to be a pilot study.
This study is a retrospective study of clinical specimens. The study subjects were patients with esophageal cancer who received immunotherapy. Tumor tissue specimens surgically removed from patients before treatment will be collected primarily. In situ immunohistochemistry and multicolor immunofluorescence will be performed. We hypothesize that there are differences in lipid metabolism-related proteins in tumor tissues and immune cells in the preexisting tumor microenvironment in patients with esophageal cancer prior to immunotherapy, and that there is a link between such differences and the efficacy of immunotherapy.
Endoscopic submucosal dissection (ESD) is a minimally invasive alternative to esophagectomy for early esophageal squamous cell carcinoma (EESCC), The data of EESCC patients who received ESD or esophagectomy were retrospectively analyzed,The aim of this study was to compare the efficacy and safety of ESD and esophagectomy in EESCC,Risk factors affecting the prognosis of patients with early esophageal squamous cell carcinoma were analyzed.
The study focused on patients with T2-4NxM0 resectable esophageal carcinoma. Neoadjuvant treatment involved administering anlotinib (10 mg orally, once a day, 2 weeks on and 1 week off) for anti-angiogenesis and sintilimab (200 mg) and chemotherapyfor three cycles. Surgical treatment was performed 4-6 weeks after the last chemotherapy cycle was completed. The primary endpoints assessed were pathological complete response (pCR) rate and safety.
Integrated PET/MRI has the advantage to assess the metabolism, diffusion, and perfusion parameters of the tumor simultaneously. Recently, PET/MRI has been investigated in several cancers with promising results. In this study, we prospectively investigate the role of multiparametric PET/MRI in evaluating the outcome of patients with esophageal cancer treated by neoadjuvant chemoradiotherapy and surgery.
PET/MRI has the advantage to assess the metabolism, diffusion, and perfusion parameters of the tumor simultaneously and has been investigated in some cancers with promising results. In this study, we prospectively investigate the role of PET/MRI in evaluating the outcome of patients with esophageal cancer treated by definitive chemoradiotherapy.
In this case-only study, the investigators try to define a novel staging parameter, the Primary Tumor Burden Score (PTBS).
The goal of this observational study is to learn about in describe participant population. The main questions it aims to answer are: - What are the risk factors of postoperative pulmonary infection in patients with esophageal cancer？ - Whether we could establish a clinical prediction model to provide basis for early clinical intervention or not? Participants will describe the main tasks participants will be asked to do, treatments they'll be given and use bullets if it is more than 2 items. If there is a comparison group: Researchers will compare insert groups to see if insert effects.
This is a population-based case-control study in all 5 Nordic countries from 1994 onwards. All cases with an esophageal or gastric tumor will be compared with 10 times as many population controls, frequency-matched by age, sex, and calendar year, country. This design offers excellent statistical power, length and completeness of follow-up, quality of data on exposures, outcomes and confounders, and control for confounding. The project will include a specific study entitled "Long-term medication with proton pump inhibitors and risk of gastric cancer", which is summarized here: Research question: Medication with proton pump inhibitors (PPI) (e.g., omeprazole and esomeprazole) is one of the most common long-term therapies globally, prompted by its high anti-acidic efficacy and good short-term safety profile. Gastric cancer is the 3rd leading cause of cancer-related mortality globally, responsible for 770,000 deaths each year. There are clear biological mechanisms linking long-term PPI-use with an increased risk of gastric cancer. However, existing research has not been able to provide a definite answer to whether long-term PPI-use is associated with an increased risk of gastric cancer. The reasons are that the literature is hampered by too short follow-up time to assess cancer development, and also insufficient statistical power, lack of population-based design and confounding. With the availability of nationwide complete medication registries in the Nordic countries, the firsts two starting already in 1994 (Denmark and Finland), we can now, by adding registry data from all Nordic countries together, conduct the first study providing a robust and valid answer to this research question. Overarching aim This project aims to clarify if (and if so to what extent) long-term PPI-therapy influences the risk of developing gastric adenocarcinoma. For validation reasons, we will also examine how long-term use of histamine-2-receptor blockers (H2RB) influences the risk of developing gastric adenocarcinoma. These analyses will validate that the findings are specific for PPIs. H2RB are used for the same indications as PPIs, but with a different biological mechanism. Hypothesis We plan to test the hypothesis that long-term use of PPI (but not H2RB) increases the risk of gastric adenocarcinoma. Prerequisites This will be the first project with all prerequisites to provide conclusive answers to the hypotheses above, i.e.: - Long follow-up (up to 28 years) - Complete follow-up (by virtue of the nationwide complete Nordic registries) - Population-based design (which rules out biased selection of cases or controls) - Superior statistical power (all five Nordic countries participate with nationwide data) - High-quality data on exposures, outcomes and confounders (thanks to well-maintained and complete nationwide Nordic health data registries) - Control for confounding factors (available for all participants, both cases and controls)
The goal of this observational study is to test the clinical efficacy of "KCNA3 and OTOP2 gene methylation combined detection kit (fluorescence PCR method)"in esophageal cancer and high-grade esophageal neoplasia auxiliary diagnosis.The main questions it aims to answer are: 1. How consistent are the test results of the kit with the clinical reference diagnostic criteria? 2. Sanger sequencing can visually show whether each sample contains methylation sites, so in this clinical trial, the kit results were compared with Sanger sequencing results to analyze the reagent's accuracy in detecting KCNA3 and OTOP2 gene methylation. Each participant is required to provide no less than 10 ml of blood to complete the kit test.