View clinical trials related to Colorectal Cancer.
Filter by:The primary objective of this study is to collect de-identified, clinically-characterized stool and whole blood specimens for use in developing and evaluating the performance of new biomarker assays for detection of colorectal cancer (CRC).
Clinical studies have shown that IV administration of anesthetics, lidocaine and ketamine with their anti-inflammatory properties, modulates the acute immune response associated with surgical tissue injury, and in this manner they are able to reduce postoperative pain. Lidocaine has anti-inflammatory effects on polymorphonuclear granulocytes, IL-6 and IL-8 cytokines, complement component C3a and IL-1ra in serum. Ketamine produces its anti-inflammatory effects by reducing CRP and IL-6 in serum and by inhibiting NF-kB, which regulates gene transcription responsible for the production of proinflammatory factors. Perioperative combinend IV administration of lidocaine and ketamine could have a more favorable anti-inflammatory effect compared to anesthetic given alone or with placebo. To investigate the effects of lidocaine and ketamine in patients undergoing abdominal surgery on: acute immune response following the level of proinflammatory factors in serum (CRP, IL-6, IL-8); postoperative pain management; recovery of bowel function; administration of opioids; reduction of total treatment costs; length of hospital stay (LOHS) A double-blind, placebo-controlled study will include 100 patients undergoing open colorectal surgery. Patients will be randomly assigned to one of four groups: lidocaine, ketamine, lidocaine-ketamine, and placebo. Lidocaine will be administered at a dose of 1.5 mg/kg prior to surgical incision followed by an infusion at a rate of 1.5-2 mg/kg/hr until the end of surgery. Ketamine will be administered at a dose of 0.5 mg/kg in a bolus prior to surgical incision followed by an infusion at a rate of 0.1-0.2 mg/kg/hr until the end of surgery. Bolus and continuous placebo infusion (0.9% NaCl) will be equally administered at the same dose as the aforementioned anesthetics until the end of the surgery. Proinflammatory markers in serum (CRP, IL-6, IL-8) will be measured before induction of anesthesia, then 12 hours and 36 hours following the completion of surgery. The intensity of pain will be measured using the VAS score 2 hours and 4 hours following surgery and every 12 hours the following days. The investigators will measure also the consumption of opioids during and after surgery, the length of stay in the ICU, where pain control and analgesics use will be measured, as well as recovery of bowel function.
This study is designed to examine the impact of telephone-based colorectal cancer risk assessment on colorectal screening attitudes and behavior among previously unscreened adults ages 50 to 75.
This is an open-label, non-controlled study conducted in two parts - Part A (dose escalation) followed by Part B (dose expansion).
Colorectal cancer imposes threats to patients' well-being. Although most physical symptoms can be managed by medication, psychosocial stressors may complicate survival and hamper quality of life. Mindfulness and Qigong, two kinds of mind-body exercise rooted in Eastern health philosophy, has been found effective in symptoms management, improving mental health, and reducing stress. With these potential benefits, a randomized controlled trial (RCT) is planned to investigate the comparative effectiveness of mindfulness and Baduanjin intervention on the bio-psychosocial wellbeing of people with colorectal cancer. A 3-arm RCT with waitlist control design will be used in this study. One hundred eighty-nine participants will be randomized into (i) Mindfulness, (ii) Baduanjin, or (iii) waitlist control groups. Participants in both the Baduanjin and mindfulness groups will receive 8-weeks of specific intervention. All three groups will undergo four assessment phases: (i) at baseline, (ii) at 4-week, (iii) at 8-week (post-intervention), and (iv) 6-month post-intervention (maintenance). All participants will be assessed in terms of cancer-related symptoms and symptom distress, mental health status, quality of life, stress level based on physiological marker. Based on prior research studies, participants in both the mindfulness and Baduanjn intervention group are expected to have better symptoms management, lower stress level, better mental health, and higher level of quality of life than the control group. This study contributes to better understanding on the common and unique effectiveness of mindfulness and Baduanjin qigong, as such patients and qualified healthcare professionals can select or provide practices which will produce maximum benefits, satisfaction, adherence, and sustainability.
Raltitrexed is an inhibitor of thymidylate synthase.As a folate antimetabolite drug, raltitrexed has been used in treatment of colorectal cancer(CRC) since 1998, and also used in malignant mesothelioma.Several phase III studies performed in patients with advanced CRC showed that it is as effective as 5-fluorouracil(5-FU) /leucovorin(LV) with regard to response rates and survival. The combination of raltitrexed with oxaliplatin shows response rates of 41%-54% and median survivals of 14.6-14.8 months, which are comparable to those achieved with 5-FU/LV combination with oxaliplatin. This study discussed the efficacy and safety of raltitrexed-oxaliplatin(RALOX) combined with bevacizumab or capecitabine-oxaliplatin(CAPOX) combined with bevacizumab in first-line treatment of patients with advanced colorectal cancer who could not undergo radical surgery. The main endpoint will be progression free survival (PFS). The secondary endpoints will be overall survival, objective response rate and disease control rate (OS,ORR and DCR).It is expected that raltitrexed may be one of options for the treatment of advanced CRC in the first-line setting.
Colectomy is the most commonly used therapeutic approach for the treatment of non-metastatic colorectal cancer. This approach is generally very effective however the rate of recurrence and the appearance of metachronous metastasis remains a major problem in the postoperative period. One of the hypothesis that can explain this tumor progression is the dissemination of tumor cells at the time of tumor mobilization. In this work, we wish to verify this hypothesis by comparing two surgical technics used in our department for left or right colectomies: respectively either first section of the mesenteric vessels followed by the mobilization of the tumor or first mobilization of the tumor followed by the section of the mesenteric vessels. To evaluate the dissemination, we will study two disseminations markers that have shown their prognostic value: i) circulating tumor cells (which represent a direct marker of dissemination) and ii) tumor circulating DNA (which is an indirect marker) but has the advantage of being more representative of all tumor clones and therefore the tumor burden released into the blood at the time of surgery).
To evaluate the feasibility and precision of stereotaxic navigation in laparoscopic surgery for colorectal cancer.
Endoscopic full-thickness resection (EFTR) in the colon using an over-the-scope clip (OTSC) as a closure mechanism is a recent technique that allows the endoscopic resection of colonic lesions that are poor candidates for conventional endoscopic resection techniques. The aim is to study the safety and efficacy of EFTR in colon.
Colorectal cancer is the third most common cancer worldwide. These patients usually undergo open surgical resection of cancer under general anaesthesia. The aim of this study is to detect whether the Erector spinae plan block or Quadratus lumborum block will provide the most ideal analgesia for these patients. Erector spinae plan block is a novel analgesic technique that provides both visceral and somatic analgesia due to its communication with the paravertebral space. Quadratus lumborum block is a truncal nerve block usually used for intra-abdominal surgeries. Ultrasound guidance increases the accuracy and safety of both techniques. A local anaesthetic mixture of Bupivacaine 0.25% and dexamethasone will be used for both techniques.