View clinical trials related to Gastric Cancer Stage.
Filter by:Gastric cancer continues to have a poor prognosis primarily due to the inability to detect it in its early stages. This study will develop and validate a blood assay to facilitate the non-invasive detection of gastric cancer.
We initially selected a total of 1128 patients with primary gastric cancer who presented at Shandong Provincial Hospital between January 2018 and October 2022, and retrospectively collected their clinical and pathological data. And retrospectively analyzed preoperative baseline characteristics, preoperative laboratory tests, and postoperative pathological results for these patients
Accurate preoperative staging of gastric cancer is of major importance for guiding therapeutic decision-making, preventing both under- and over-treatment. The purpose of this study is to investigate the diagnostic performance of the Multi-parametric magnetic resonance imaging (mpMRI) and dual-energy computed tomography (DECT) in gastric cancer.
With the introducing of neoadjuvant therapy, it becomes ever more important to evaluate the preoperative TNM (cTNM) stage accurately facilitating preoperative treatment as well as the adjuvant therapy. At present, the recommendation of neoadjuvant chemotherapy varies among guidelines especially between eastern and western countries. According to the updated Japanese gastric cancer treatment guidelines (ver.5), neoadjuvant chemotherapy is the recommended standard procedure for patients with cT2-4 stages. However, the acknowledgement of preoperative therapy accompanied by the higher risk of overtreatment. As mentioned in JCOG1302-A, the overall precision rate in cT staging is 38.8%. Patients diagnosed with pI stages postoperatively account for 6.5% in cT3-4N+ treatment indicating more likely to avoiding the overtreatment comparing to patients with other cT stages. Inspired by JCOG1302-A, this multicentre study prospectively collect data in preoperative TNM staging assessment using CT(computed tomography, CT) scan and the postoperative TNM (pTNM) staging according to histopathologically examination. By analyzing the accordance between the cTNM and pTNM, this study aims to evaluate the current accuracy of the cTNM staging in china, verifying the proportion of pI stages less than 5% in cIII stage diagnosis patients, learning the overtreating rate in neoadjuvant chemotherapy in China and furthermore, to discover the scope of beneficiaries for neoadjuvant chemotherapy.
It is very significant that assessing staging in gastric cancer patients before surgery, furthermore, determining the optimize surgical strategy ,predict the the efficacy of neoadjuvant therapy for patients. For patients who are ineffective in neoadjuvant therapy, surgery will be more meaningful. It has been reported that the application of CT(computed tomography,CT) and MR(magnetic resonance,MR) in staging of gastric cancer, but not in predicting clinical response to neoadjuvant therapy for gastric cancer. Only a few studies focused on T staging using conventional MRI in gastric cancer, however , relatively new sequences in the chest deserve widely used. To develop a pre-treatment evaluation methods for TN staging in patient with gastric cancer by utilization of the new imaging methods (T2-TSE-BLADE,T2 maps, StarVIBE, iShim-DWI and high resolution CT). By analysing the relationship between TN staging and imaging features to find the imaging characteristics for TN staging, and to find the indicators of new technology and reference values for facilitate pre-treatment diagnosis of TN staging, optimize surgical strategy , predict the the efficacy of adjunctive therapy , and OS and define the range of lymph node for radiotherapy , as making personal treatment planning for gastric cancer .