View clinical trials related to Colon Neoplasms.
Filter by:This study evaluates the ability of endoscopists to perform a complete optical diagnosis of colorectal polyps between 5 and 15 mm, and the impact of the only endoscopic diagnosis on the follow-up program for those patients. This is a prospective study in which we compare the diagnosis regarding size and histology made by the endoscopist versus de pathologic diagnosis.
The aim of this study is to evaluate the examination of the proximal colon with the retroflexion colonoscopic technique in terms of feasibility and its possible additive contribution in the detection of important lesions, namely polyps and cancers.
The primary purpose of the trial is to determine the preliminary efficacy of therapeutic ultrasound in the treatment of pain and sensory disturbance related to chemotherapy induced peripheral neuropathy.
The aim of this study is to evaluate Endocuff- assisted colonoscopy in terms of its possible additive contribution in the detection of important lesions, namely polyps and cancers, compared to standard colonoscopy, in a series of patients undergoing back-to-back screening or surveillance colonoscopies in a randomized fashion. Moreover, we aim to assess possible changes regarding post-polypectomy surveillance programs following Endocuff utilization.
The aim of this study is to evaluate FUSE-colonoscopy in terms of feasibility and its possible additive contribution in the detection of important lesions, namely polyps and cancers, compared to the standard "forward-viewing" approach, with and without the addition of the right-colon retroflexion technique, in a series of patients undergoing back-to-back screening or surveillance colonoscopies in a randomized fashion.
Background: - Cancer vaccines are being developed to help teach the body's immune system to attack and destroy cancer cells. A new vaccine being tested targets Brachyury protein. This protein is present in some tumor cells, and it can help tumor cells spread to other parts of the body. Researchers want to see whether the new Brachyury protein vaccine can help treat people with advanced carcinomas. Objectives: - To test the safety and effectiveness of a cancer vaccine that targets Brachyury protein in tumor cells. Eligibility: - Individuals at least 18 years of age who have advanced cancers that have not responded or are no longer responding to standard treatments. - Because the vaccine is made with yeast, people with yeast allergies will not be eligible. Design: - Participants will be screened with a medical history and physical exam. Imaging studies will be used to examine the cancer. Heart and thyroid function tests will be conducted. Blood and urine samples will also be collected. - Participants will receive vaccine injections every 2 weeks, for a total of seven visits. After seven visits, if the cancer has shrunk or stopped growing, participants will continue to have the vaccine about once a month. - Treatment will be monitored with frequent blood tests and imaging studies. Other tests will be given as directed by the study doctors. Some participants will have apheresis to collect additional blood cells for study. - Participants will continue to receive the vaccine as long the tumor does not start growing again and there are no serious side effects....
Bowel removal is indicated for various types of colon and rectal disease, including colon cancer, rectal cancer, diverticulitis, and inflammatory bowel disease among others. Following removal of the diseased segment of bowel your surgeon will reconnect the two healthy ends to reconstruct a continuous bowel tube. If the bowel leaks it can become an extremely dangerous situation. The cause of leakage has many causes and is not well understood, but appears to be at least in part due to not having enough blood going to the bowel. There is currently no way to evaluate the blood supply to the bowel. The purpose of this study is to utilize a special camera to evaluate the blood supply of the bowel. This new system is called the Spy-scope. This system may assist surgeons in reducing the occurrence of leaks
Background: - The experimental cancer treatment drug AZD6244 has been shown to block signals that tell cancer cells to grow. Cetuximab, a drug approved to treat cancer of the head, neck, colon, and rectum, also blocks signals that tell cancer cells to grow. Researchers are investigating the highest safe dose of AZD6244 to give with cetuximab, and will also investigate the effectiveness of this drug combination in individuals who have colorectal cancer that involves a particular protein known as the K-RAS protein. Cetuximab is not used to treat colorectal cancer with K-RAS tumors because it has not been shown to be effective, but researchers believe that adding AZD6244 to cetuximab may improve how well cetuximab works, even in people with K-RAS tumors. Objectives: - To evaluate the safety and effectiveness of AZD6244 in combination with cetuximab for solid tumors that have not responded to standard treatment. - To evaluate the safety and effectiveness of AZD6244 in combination with cetuximab for colorectal cancer that involves the K-RAS protein and has not responded to standard treatment. Eligibility: - Individuals at least 18 years of age who have been diagnosed with solid tumors that have not responded to standard treatment. - Individuals at least 18 years of age who have been diagnosed with colorectal cancer that has not responded to standard treatment. Design: - This protocol will involve two separate studies: an initial study to establish the highest safe and effective dose of AZD6244 and cetuximab in individuals with solid tumors, and an expansion study of AZD6244 and cetuximab in individuals with colorectal cancer involving the K-RAS protein. - Participants will be screened with a full medical history and physical examination, blood samples, imaging studies, and other tests as required by the researchers. - AZD6244 is a capsule to be swallowed once or twice a day, every day, with water on an empty stomach. Cetuximab will be given intravenously once a week, over 2 hours for the first dose and over an hour for every following dose. This combination of daily AZD6244 and weekly cetuximab will be repeated in 28-day cycles of treatment. Participants will keep a diary to record the time of taking AZD6244 each day, as well as any side effects. - Participants will have frequent blood tests and other exams during the first cycle of treatment, up to five visits to the National Institutes of Health (NIH) and other visits to their local doctor to in the first 28-day cycle. - During subsequent cycles, participants will have four visits to NIH and four visits to your local doctor for examinations, blood tests, and imaging studies. - Participants may continue to receive the AZD6244 with cetuximab for up to 6 cycles, until the tumor grows, unacceptable side effects development, or the participant or participant's doctor decides to stop participation. There will be a final study visit that repeats the procedures performed during the screening visit....