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Gastric Cancer clinical trials

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NCT ID: NCT06313801 Recruiting - Gastric Cancer Clinical Trials

Comparing the Safety and Efficacy of First-line Polychemotherapy and Polychemotherapy in Combination With PIPAC Sessions

Start date: January 19, 2023
Phase: Phase 2
Study type: Interventional

After the initial diagnostic laparoscopy the Control group patients undergo 6 courses of polychemotherapy according to the FLOT scheme; the examination is carried out every 3 courses (after the 3rd and the 6th courses) with the control diagnostic laparoscopy after 6 courses of polychemotherapy. In the event of the complete regression of foci along the peritoneum and receiving Cy- in the peritoneal lavage, the dynamic observation or cytoreductive surgery is considered (optionally); in case of the incomplete response the dynamic observation is carried out until progression; in case of progression the 2nd line of chemotherapy or the optimal palliative care options depending on the clinical situation is considered. After the initial diagnostic laparoscopy the Study group patients undergo courses of polychemotherapy according to the scheme FLOT (the 1st, the 3rd, the 5th courses) and mFLOT (the 2nd , the 4th, the 6th courses) in the amount of 6 (six, 3+3); the examination is carried out every 3 courses (after the 3rd and the 6th courses) with dPIPAC sessions using docetaxel (thus excluding it from the system administration) in the 2nd , the 4th, the 6th courses of polychemotherapy. Control diagnostic laparoscopy is not performed in the group No 2, its function is performed by the revision at the PIPAC session of the 6th course of polychemotherapy, which corresponds to the time interval of the Control group. In the event of the complete regression of foci along the peritoneum and receiving Cy- in the peritoneal lavage, the dynamic observation or cytoreductive surgery is considered (optionally); in case of the incomplete response the dynamic observation is carried out until progression; in case of progression the 2nd line of chemotherapy or the optimal palliative care options depending on the clinical situation is considered.

NCT ID: NCT06313567 Recruiting - Gastric Cancer Clinical Trials

Metronomic Capecitabine in Stage III Gastric Cancer

Start date: March 10, 2024
Phase: Phase 3
Study type: Interventional

The purpose of this study is to find out whether treatment with metronomic capecitabine will improve the survival of gastric cancer patients with stage III who had received standard treatment.

NCT ID: NCT06310473 Not yet recruiting - Gastric Cancer Clinical Trials

Neoadjuvant Cadonilimab Plus Chemotherapy for Locally Advanced Esophagogastric Junction and Gastric Cancer Trial

Start date: March 2024
Phase: Phase 2
Study type: Interventional

For locally advanced esophagogastric junction and gastric cancer, neoadjuvant chemotherapy can downstage T and N stage,treated distant micrometastases early , and finally improve the long-term survival. Combination of perioperative PD-1 antibody and chemotherapy for locally advanced esophagogastric junction and gastric cancer could be a novel therapy to increase response rate and reduce recurrence rate.Cadonilimab, a tetravalent bispecific antibody targeting PD-1 and CTLA-4, is designed to retain the efficacy benefit of combination of PD-1 and CTLA-4 and improve on the safety profile of the combination therapy. The aim of this study is to evaluate the efficacy and safety of cadonilimab Plus Chemotherapy for Locally Advanced Esophagogastric Junction and Gastric Cancer.

NCT ID: NCT06308510 Not yet recruiting - Gastric Cancer Clinical Trials

Detection of Aneuploidy in Cell Free DNA to Improve the Sensitivity of Diagnostic Peritoneal Lavage in Gastric Cancer

Start date: July 2024
Phase:
Study type: Observational

Aneuploidy may be used as a more sensitive diagnostic tool to detect peritoneal metastasis compared to conventional cytology and imaging techniques. Our aim is to establish whether aneuploidy as detected in cfDNA (as a measure for ctDNA) in PLF of patients with GC may hold value as an additional staging and tumor evaluation method in GC patients.

NCT ID: NCT06306755 Not yet recruiting - Gastric Cancer Clinical Trials

Effectiveness of Risk-based Sequential Screening for Esophageal and Gastric Cancer

ERSS-EGC
Start date: March 2024
Phase: N/A
Study type: Interventional

To evaluate the feasibility, applicability, effectiveness, and health-economic value of the risk-based sequential screening modality for esophageal and gastric cancers, the investigators aim to initiate a community-based randomized controlled trial in Xun County, Henan Province, which is a high-risk region of upper gastrointestinal cancer (UGIC) in northern China. A total of 258 target villages from all the 11 communities (townships and streets) in Xun County will be randomly selected and assigned to the sequential screening group and the universal screening group at a ratio of 2:1 and the total sample size will be 21,000. In the sequential screening group, participants in the top 50% risk level (i.e., stratified as the high-risk subgroup) will be offered a standard upper gastrointestinal endoscopic screening. In contrast, all participants in the universal screening group will receive the endoscopic examination. The surveillance strategy for participants with screening-detected premalignant lesions in the sequential screening group will be tailored based on individualized risk assessment using endoscopic characteristics, pathological diagnosis, and biomarkers. Surveillance for participants in the universal screening group will adhere to current guidelines for UGIC screening and clinical treatment. Detection rates of upper gastrointestinal malignant lesions, early-stage malignant lesions and premalignant lesions, and health-economic indicators such as the unit cost per detected malignant lesions will be compared between the two groups.

NCT ID: NCT06305169 Not yet recruiting - Gastric Cancer Clinical Trials

Measuring the Negative Predictive Value and Specificity of Serum Biomarkers in Gastric Cancer

Start date: April 1, 2024
Phase:
Study type: Observational

Atrophic gastritis where the cells of the stomach lining change is the single most important precursor condition for gastric cancer. Helicobacter pylori a bacteria which causes infection in the stomach is the most important causative agent of inflammation of the stomach, and subsequent atrophic gastritis. The difficulty with diagnosing patients with gastric cancer is that a lot of patients will suffer from heartburn and pain around the stomach, but very few of those will have gastric cancer. This makes it difficult for GPs to know who to refer for further testing as the current cancer referral criteria are very broad. To reduce the need for invasive diagnostic methods such as endoscopy where a flexible tube with camera is inserted into the gullet and stomach via the mouth, a commercially available blood test (GastroPanel ®) designed to measure the levels of certain key stomach hormones to detect atrophic gastritis has been developed. It is extremely rare for gastric cancer to develop without there first being gastric atrophy. A real word study is needed assess the performance of this blood test in a group of patients referred via an urgent cancer pathway for endoscopy in the UK. Scoring systems have been created to help us triage referrals to endoscopy in those with difficulty swallowing, but no similar score is available for those presenting with other upper abdominal symptoms. By using this blood test as well as collecting patient information we hope to create an improved referral criteria for those needing investigation for gastric cancer.

NCT ID: NCT06301464 Active, not recruiting - Gastric Cancer Clinical Trials

Pepsinogen II and Helicobacter Pylori Test in Gastric Cancer

Start date: March 1, 2003
Phase:
Study type: Observational [Patient Registry]

The aim of this study to validate the role of pepsinogens in gastric cancer screening.

NCT ID: NCT06300879 Recruiting - Gastric Cancer Clinical Trials

A Prospective Study on Esophagogastrostomy by an Innovative Surgical Technique

Start date: January 1, 2024
Phase: N/A
Study type: Interventional

This is a single-center, open-label, Phase Ib/II study aiming to assess the perioperative safety and postoperative outcomes of a novel surgical technique in treating primary adenocarcinoma located in the upper 1/3 of the stomach or gastroesophageal junction (Siewert II or III). The study will enroll 30 patients who will undergo totally laparoscopic proximal gastrectomy with esophagogastrostomy by fissure technique. Clinical data will be collected to evaluate perioperative safety. Patients will be followed for at least 3 months, during which endoscopy will be performed to analyze occurrences and reasons for anastomotic-related complications. Additionally, the quality of life after surgery will be evaluated by QLQ-C30 and QLQ-STO22.

NCT ID: NCT06298916 Not yet recruiting - Colorectal Cancer Clinical Trials

64Cu-LNTH-1363S in Patients With Sarcoma or Gastrointestinal Tract Cancer

PHANTOM
Start date: May 2024
Phase: Phase 1/Phase 2
Study type: Interventional

This is a multicenter, open-label, prospective Phase 1/2a study to assess safety and tolerability, establish dosimetry and to identify an optimal imaging dose (radioactivity and mass dose) and imaging time window of 64Cu-LNTH-1363S (64Cu Radiolabeled FAPi PET/CT Imaging Agent) and to compare its imaging biodistribution with FAP expression by immunohistochemistry (IHC) in patients with sarcomas or GIT cancers. The study will be conducted in 2 parts (Part 1 and Part 2).

NCT ID: NCT06296706 Not yet recruiting - Gastric Cancer Clinical Trials

A Clinical Study of Docetaxel for Injection (Albumin-bound) in Patients With Gastric Cancer

Start date: March 1, 2024
Phase: Phase 3
Study type: Interventional

This trial is a multicenter, randomized, controlled phase ะจ clinical study of comparison of Docetaxel for Injection (Albumin-bound) and Taxotere in locally advanced or metastatic gastric adenocarcinoma or gastroesophageal junction adenocarcinoma with previous first-line treatment failure.