View clinical trials related to Colon Cancer.
Filter by:The purpose of the study is to determine if it is possible to detect more pre-cancerous lesions in colon when using fluorescence technology.
Background: Drugs given to treat cancer (chemotherapy) can weaken the human immune system. But it can also become weaker because of aging. Interleukin (IL)-7, a molecule produced naturally in the body, can help improve the function of the immune system. Researchers want to study the effects of IL-7 on immune system function in two different groups of older people. One group will be people who have received vaccines before IL-7. The other group will be people who have received Vaccines after IL-7. Objectives: To evaluate the effect of IL-7 on the immune system responses to vaccines in older people following chemotherapy. Eligibility: People at least 60 years of age who have recently finished chemotherapy for breast, colon, or bladder cancer. Design: - People in the study will be screened with a physical examination, medical history, and blood tests. Other screening tests, such as tumor imaging, may also need to be performed. - Everyone will receive a series of five different vaccines commonly used to prevent diseases. We will compare the responses of people in Sequence 1 who will receive vaccines before IL-7 with the responses of people in Sequence 2 who received the same vaccines after IL-7. - The vaccines will be given randomly in two Arms at different times. - Arm 1: diphtheria and tetanus, polio, pneumonia (with two booster shots), hepatitis B (with two booster shots), and hepatitis A (with one booster shot), - Arm 2: hepatitis A (with one booster shot), hepatitis B (with two booster shots), pneumococcal (with two booster shots), diphtheria and tetanus, polio, pneumonia (with two booster shots) - There are 5 vaccines to be given to each subject, following one of two randomly assigned sequences of vaccine administration ( Sequence 1 or Sequence 2 ). - The first vaccine arm contains the two diphtheria protein containing vaccines (Td and PCV13) and polio. The second vaccine arm contains the Hepatitis A and Hepatitis B vaccines. Subjects will either get tetanus, diphtheria, polio, and pneumonia vaccines before IL-7 therapy ( Sequence 1 ) or hepatitis A and hepatitis B vaccines before IL-7 therapy ( Sequence 2 ). The response to vaccines will be evaluated 4 weeks after vaccination. This will be followed by IL-7 therapy, then administration of the other group of vaccines. Therefore, subjects on both arms will receive the same set of vaccines, just at different times with respect to IL-7 therapy.
The purpose of this study is to study the implementation of laparoscopy-assisted surgery for cure of colon cancer in daily surgical practice.
The purpose of this study is to test the safety of GI-4000 and see what effects (good and bad) it has against cancer over time. This study is also being done to measure the immune response to GI-4000. Study drug will be given in addition to a standard of care which is a standard therapy given to patients with your type of cancer (colon).
The proposed study aims to investigate how the administration of a drug known to reduce inflammation in humans, Celecoxib, will effect the peri-operative inflammatory response of a patient undergoing primary tumor resection surgery for colon cancer. The proposed project is an exploratory study, and will use data from blood samples and tumor samples to attempt to elucidate the immune and inflammatory response in colon cancer patients undergoing primary resection of their tumors.
Colorectal cancer is the third most common form of cancer found in the United States. To date surgical resection provides the best chance for cure. Unfortunately, despite "curative" surgery, tumor recurrences develop in 30-40% of patients from either unforeseen residual metastases or from viable tumor cells shed into the circulation before or at the time of surgery. There is evidence from both humans and mice suggesting that tumor growth is stimulated after surgery for a period of time. This study calls for the administration of a green tea extract and a milk thistle extract, two orally ingested supplements, during the week immediately before and weeks after your surgery. It is not the current standard of care to give anti-cancer drugs during the perioperative period. The basic idea behind this study is that it should be beneficial to inhibit cancer growth in the days leading up to and following surgery. Why is this the case? It makes sense to limit or inhibit tumor growth before surgery with drugs provided it can be done safely and does not interfere with the surgery. It is also logical to give anti-cancer drugs after surgery because, unfortunately, about 35 percent of colorectal cancer patients, after resection, have hidden tumor cells that remain in the body. There is also strong human evidence that tumor growth is stimulated during the first month after tumor resection as a result of the surgical injuries and the healing process. Therefore, there is good reason to give anti-cancer drugs as soon as possible after surgery in order to offset some of surgery's negative effects. Although both supplements have been given safely to a wide variety of patients with a number of different medical problems, the two supplements together have never been given to cancer patients during the weeks just before and following surgery. The researchers hypothesize that the administration of these two supplements together will be safe in the period surrounding colorectal cancer surgery.
The purpose of this study is to test a new drug called MK-2206 for metastatic colorectal cancer. This drug is being tested in a subgroup of patients with colorectal cancer whose tumors have changes in certain genes that may make them more likely to respond to this new medication. As tumors develop, the cells within the tumor acquire mutations within genes, allowing them to grow more effectively. We will be testing your tumor for mutations involving two genes - KRAS and PIK3CA. Patients whose tumors have a normal copy of the KRAS gene and a mutation within the PIK3CA gene will be eligible to participate in this study. This study is a phase 2 study. The goal of a phase 2 study is to find out what effects, good and/or bad, a new treatment has against a certain type of cancer.
A research study of liver perfusion (how blood flows to the liver over time). We hope to learn whether perfusion characteristics of liver masses may be predictive of response to treatment and whether liver perfusion characteristics can be used to follow response to treatment.
The study consists of two parts: Drug Interaction (Pharmacokinetic) Phase and Pharmacodynamic Phase The primary study objective for the Drug Interaction Study is to determine the pharmacokinetic interactions between RAD001 and JI-101. The primary study objective for the Pharmacodynamic Study is progression-free survival at 2 moths, evaluated separately in each of the three cohorts. These will include a determination of tumor response using Response Evaluation Criteria in Solid Tumors (RECIST) Criteria and an assessment of ephrinB4 expression in blood samples. Secondary objectives are to determine safety and tolerability of JI-101. The investigational products are everolimus (42-O-(2-hydroxyethyl) rapamycin) and JI-101 (1-[1-(2-amino-pyridin-4-ylmethyl)-1H-indol-4-yl]-3-(5-bromo-2 methoxy-phenyl)-urea) Eligible patients meeting all study entry criteria will be enrolled in the study. For the Drug Interaction study, patients with solid tumors will receive a single dose (10 mg) of Everolimus by mouth on Day 1 and Day 8 and JI-101 capsules (200 mg) by mouth on Day 8 and Day 15. For the Pharmacodynamic Study, all patients will receive JI-101 capsules by mouth (200 mg BID) for 28 day treatment cycles.
Cetuximab, erlotinib, and panitumumab are all recently FDA approved epidermal growth factor receptor (EGFR) inhibitors that treat a wide variety of tumor types, such as colon, lung, and head and neck. Blockade of the EGFR results in inhibition of multiple downstream pathways, leading to slowed tumor growth. In addition, these inhibitors may enhance anti-tumor immune responses through uncharacterized mechanisms. While producing significant responses in many settings, EGFR inhibitors also result in significant skin toxicity (rash) in a high percentage of patients. Multiple studies have correlated the presence and severity of rash with clinical response. Unfortunately, severe rash can often lead to dose delays, reductions, or even discontinuation of EGFR inhibitors, thus limiting their efficacy. The mechanism of both the rash and its correlation with tumor response is poorly understood. Skin biopsies display a robust leukocyte infiltrate, but a systematic analysis of the type of infiltrating leukocytes, activation state, or homing receptor expression has not been performed. Chemokines and chemokine receptors control leukocyte trafficking to the skin and other tissue sites, and defined receptor profiles for skin-, gut-, and lung-homing leukocytes are well established. In this study, the investigators propose to evaluate the homing phenotype of leukocytes from peripheral blood and skin biopsies of patients receiving EGFR inhibitors. The investigators will use RNA microarrays to evaluate the expression of chemokines and other key genes regulated in skin during treatment. The investigators will utilize in vitro methods to investigate effects of EGFR inhibitors on imprinting of T cell tissue-specific homing receptors. The investigators will examine correlations among the pathologic data, clinical findings, and tumor response. If validated, peripheral blood evaluation could potentially be used as a predictive indicator for patients receiving EGFR inhibitors. This study may also identify novel targets for limiting skin toxicity while receiving EGFR inhibitors, thus allowing maximal dosing and clinical response from these agents.