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Rectal Cancer clinical trials

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NCT ID: NCT06162650 Recruiting - Rectal Cancer Clinical Trials

Total Neoadjuvant Therapy in Rectal Cancer

Start date: November 16, 2023
Phase: Phase 2
Study type: Interventional

In this phase 2 study, the efficacy of total neoadjuvant therapy in Taiwanese patients with rectal cancer will be investigated. Patients with stage II or III middle/low rectal cancer will be prospective enrolled. The total neoadjuvant therapy with the short-course radiotherapy (5×5 Gy over a maximum of 8 days) followed by chemotherapy with mFOLFOX6 for 9 cycles will be administered. The primary endpoint is the complete response (CR) rate which will take into account the patients with clinical and pathological complete response.

NCT ID: NCT06149741 Recruiting - Rectal Cancer Clinical Trials

Defunctioning Left-sided Colostomy in Low Anterior Resection for Rectal Cancer

STOMALEFT
Start date: November 20, 2023
Phase: N/A
Study type: Interventional

This is prospective, multi centre study evaluating a novel type of defunctioning loop stoma after low anterior resection for rectal cancer. Patients will be operated with a complete splenic flexure mobilisation and total mesorectal excision. An anastomosis will be fashioned at the pelvic floor. This will leave a redundant colon which will be brought up and matured in the left iliac fossa. Patient bowel function and quality of life will be monitored at baseline and at one year postoperatively, when the stoma will typically have been reversed. Dehydration and kidney injury are expected to become infrequent in comparison with the main alternative loop ileostomy. About 20 patients will be included in this pilot study.

NCT ID: NCT06126406 Recruiting - Breast Cancer Clinical Trials

Clinical Study of CEA Targeting Chimeric Antigen Receptor T Lymphocytes(CAR-T) for CEA Positive Advanced Malignant Solid Tumors

Start date: November 6, 2023
Phase: Phase 1
Study type: Interventional

This study is a open-label, dose-escalating + dose-expansion clinical study, aiming to evaluate the safety and efficacy of CEA-targeted CART cell preparations, and to reliminarily observe the study drug in CEA-positive advanced malignant tumors. The pharmacokinetic characteristics of CART cell preparations for the treatment of patients with CEA-positive advanced malignancies were obtained and the recommended dose and infusion schedule.

NCT ID: NCT06096493 Recruiting - Rectal Cancer Clinical Trials

Prognostic Factors Affecting Recurrence and Disease-Free Survival After Surgical Resection for Cancer Rectum

Start date: May 1, 2023
Phase:
Study type: Observational

Tumor recurrence after curative surgical resection for rectal cancer is a serious complication that greatly affects the overall morbidity and the outcome. This study aims to identify the different prognostic factors affecting recurrence and disease-free survival after surgery.

NCT ID: NCT06056726 Recruiting - Rectal Cancer Clinical Trials

Evaluation of Surgical Complications and DFS in Obese Rectal Cancer Patients

Start date: February 18, 2021
Phase:
Study type: Observational

Obesity worsens treatment outcomes in rectal cancer patients: the local resective approach could in fact be more difficult in obese patients due to limited surgical visibility and it has also been reported that high visceral adiposity determines an increased risk of recurrence after chemoradiotherapy neoadjuvant. Bariatric surgery has proved to be the best choice for the treatment of morbid obesity and related comorbidities and in this context, the intragastric balloon (IGB) represents a strategy characterized by a low rate of complications and good results in terms of weight loss. Therefore, the need to be able to offer obese patients suffering from rectal cancer the possibility of a better recovery perspective, alongside radical oncological surgery and neoadjuvant treatments, also a bariatric surgery such as the positioning of an intragastric balloon.

NCT ID: NCT06051695 Recruiting - Cancer Clinical Trials

A Study to Evaluate the Safety and Efficacy of A2B694, a Logic-gated CAR T, in Subjects With Solid Tumors That Express MSLN and Have Lost HLA-A*02 Expression

EVEREST-2
Start date: April 3, 2024
Phase: Phase 1/Phase 2
Study type: Interventional

The goal of this study is to test A2B694, an autologous logic-gated Tmod™ CAR T-cell product in subjects with solid tumors including colorectal cancer (CRC), pancreatic cancer (PANC), non-small cell lung cancer (NSCLC), ovarian cancer (OVCA), mesothelioma (MESO), and other solid tumors that express MSLN and have lost HLA-A*02 expression. The main questions this study aims to answer are: Phase 1: What is the recommended dose of A2B694 that is safe for patients Phase 2: Does the recommended dose of A2B694 kill the solid tumor cells and protect the patient's healthy cells Participants will be required to perform study procedures and assessments, and will also receive the following study treatments: Enrollment and Apheresis in BASECAMP-1 (NCT04981119) Preconditioning Lymphodepletion (PCLD) Regimen A2B694 Tmod CAR T cells at the assigned dose

NCT ID: NCT06050447 Recruiting - Colorectal Cancer Clinical Trials

Factors Affecting the Results of Treatment of Patients With Colorectal Cancer

Start date: September 1, 2023
Phase:
Study type: Observational [Patient Registry]

The study attempts to quantify the relative risks for mortality, anastomotic leakage and other early and late postoperative complications, recurrence rate, cancer-specific survival, recurrence-free survival after colorectal surgery for patients with colorectal cancer depending on the localization of the tumor.

NCT ID: NCT06043999 Recruiting - Rectal Cancer Clinical Trials

Salvage Chemotherapy Versus Total Mesorectal Resection for Local Resection Rectal Cancer Patients

Start date: September 1, 2023
Phase: N/A
Study type: Interventional

Whether to perform radical TME or salvage chemoradiotherapy after local resection of intermediate-risk T1 rectal cancer is still controversial. A study based on the National Cancer Data Center showed that, because of the need for organ preservation, rescue chemoradiotherapy after local resection of rectal cancer was used in 10% of patients with T1N0 tumors and in 40% of patients with T2N0 tumors. However, the local recurrence caused by non-TME surgery is still the focus of concern for clinicians and patients. Previous retrospective studies have shown that there is no significant difference in overall survival and disease free survival between salvage CRT group and salvage TME group for patients with early rectal cancer after local resection. Pathological pT2 after local resection is the only independent risk factor for disease-free survival. However, limited to a single center and small sample size, the recurrence caused by salvage radiotherapy and chemotherapy should still be alert. Given these concerns, there is an urgent need to identify a better treatment regimen that can ensure reliable oncologic outcomes after local resection. Therefore, with TME as the control group and salvage chemoradiotherapy as the experimental group, we conducted a prospective, randomized, multicenter, non-inferiority clinical trial of the treatment effect of patients with intermediate-risk T1 and clinical stage N0M0 rectal cancer after local resection, to provide high-level evidence-based medical evidence for the final choice of these two salvage treatment methods.

NCT ID: NCT06006390 Recruiting - Breast Cancer Clinical Trials

CEA Targeting Chimeric Antigen Receptor T Lymphocytes (CAR-T) in the Treatment of CEA Positive Advanced Solid Tumors

Start date: September 7, 2023
Phase: Phase 1/Phase 2
Study type: Interventional

This study is a single-arm, open-label, dose-escalating + dose-expansion clinical study, aiming to evaluate the safety and efficacy of CEA-targeted CAR-T cell preparations, and to preliminarily observe the study drug in CEA-positive advanced malignant tumors. The pharmacokinetic characteristics of CAR-T cell preparations for the treatment of patients with CEA-positive advanced malignancies were obtained and the recommended dose and infusion schedule.

NCT ID: NCT06006260 Recruiting - Rectal Cancer Clinical Trials

Changes of Low Anterior Resection Syndrome and Balance Ability in Patients With Rectal Cancer.

Start date: November 20, 2023
Phase:
Study type: Observational [Patient Registry]

The purposes of this study are to explore the trajectory of symptom distress and balance ability in patients with rectal cancer.