View clinical trials related to Rectal Neoplasms.
Filter by:Rectal cancer is a common pathology which is treated by a multimodal approach. Those tumours in the rectum that are locally advanced are treated with neoadjuvant chemoradiotherapy before an operation. This aims to reduce the size of the tumour and increase the change of a complete resection. The degree of shrinkage of a rectal cancer to pre-operative treatment is influenced by the immune system. In some other cancers there is evidence that the bacteria living in our mouth & in the large bowel influence the way the body responds a cancer. In this study patients with rectal cancer requiring radiotherapy before surgery will be asked to give samples of saliva & bowel motions before chemoradiotherapy & again before surgery. These samples will have the type and number of bacteria analysed, as well as levels of key metabolic products of these bacteria. The results will be compared with the response, as assessed by the pathologist using standard criteria, of the rectal to the radiotherapy.
Total mesorectal excision has greatly reduced the local recurrence rate of rectal cancer after colorectal surgery. Transanal total mesorectal excision(TaTME) is potentially a suitable option for patients with middle and low rectal cancer. Robotic systems are expected to develop the advantages of TaTME to overcome the limitations of laparoscopic surgery. This study aimed to investigate the safety and feasibility of robotic assisted transanal total mesorectal excision in patients with rectal cancer.
Many of the patients operated with sphincter preservation will present an alteration of bowel function and defecation. This dysfunction is variable in its symptoms and severity, and manifests itself in the form of urgency, incontinence and fragmentation of faeces, with repeated, incomplete or difficult evacuations. The set of these symptoms constitutes what is known as anterior resection syndrome (ARS), which can negatively influence the quality of life of the operated patients and constitutes the main objective of the study to be investigated. From this study, the investigators want to evaluate the efficacy of stimulation of the efferent loop prior to the closure of the ileostomy along with rehabilitation of the pelvic floor after the closure of the ileostomy, in the quality of life of patients who underwent anterior resection of the rectum. A non-pharmacological randomized clinical trial will be conducted, comparing a control group (usual clinical practice), with respect to the experimental group where stimulation of the efferent loop will be performed prior to the closure of the ostomy along with pelvic floor rehabilitation after the closure of the latter. The main dependent variable will be the quality of life evaluated according to the QLQ CR-29 questionnaire, and secondary dependent variables will be evaluated postoperative paralytic ileus and the previous resection syndrome using the LARS scale.
To compare the open approach and the laparoscopic-assisted approach of dissection of lateral lymph nodes in low advanced rectal cancer patients with clinically suspected nodal metastases in terms of safety, technical feasibility, and patient's oncological outcomes.
The present study aimed to review the characteristics and outcome of early-onset rectal cancer in a subset of Egyptian patients aged 40 years or less. Since the previous studies assessed this point of research in CRC overall, the investigators opted to focus upon rectal cancer alone since it may represent a separate category, distinct from colon cancer, in this age group with regards to presentation, tumor behavior, and outcome.
To understand and analyse the global impact of COVID-19 on outpatient services, inpatient care, elective surgery, and perioperative colorectal cancer care, a DElayed COloRectal cancer surgery (DECOR-19) survey was conducted in collaboration with numerous international colorectal societies with the objective of obtaining several learning points from the impact of the COVID-19 outbreak on our colorectal cancer patients which will assist us in the ongoing management of our colorectal cancer patients and to provide us safe oncological pathways for future outbreaks.
Following colorectal surgery, many patients face a combination of physical and emotional problems for a long period of time. Symptoms such as pain, fatigue, and disturbed bowel and sexual function, as well as problems in social and role functioning, inevitably affect the patients' well-being. Therefore, evaluation of the self-reported quality of life (QoL) is becoming increasingly important in clinical trials. The investigators aimed to compare long term health related life quality (HRQoL) results of laparoscopic approach with open approach in patients with sphincter preserving resections for rectal cancer at a single-center.
Background: An exact lymph node staging is essential in the treatment of rectal cancer. Objective: The aim of this study was to assess the effect of indigo carmine injection on the number of retrieved and positive lymph nodes after transanal total mesorectal excision (taTME). Design: This is a retrospective, non-randomised study. Settings: This study was conducted at a tertiary hospital by a multidisciplinary team. Patients: Between 2013 and 2019, patients undergoing transanal total mesorectal excision were analysed. Patients with indigo carmine injection (intervention group) were compared to those without (control group). Interventions: Transanal total mesorectal excision was performed with or without ex vivo intra-arterial indigo carmine injection. Main Outcome Measures: The number of retrieved and positive lymph nodes was the primary outcome measure.
Due to colorectal cancer is the fourth most common malignancy in the world. Some patients had present locally advance stage and need to preoperative concurrent chemoradiation (CCRT) before radical surgery. But predictor for pathologic complete response (pCR) after preoperative CCRT remain unclear. Objectives: To identify possible factor for predict of pCR of rectal cancer after preoperative CCRT.
TASOX can be safely and efficaciously delivered after short course radiation, resulting in significant pathologic downstaging, allowing for an R0 pelvic resection, and providing local control in appropriately selected stage II/III rectal cancer patients treated with contemporary TME-based surgery.