Disorder of appendix

This study tests whether adding a targeted, tumor-destroying treatment (like focused radiation or heat ablation) can help people with certain gastrointestinal cancers—such as colorectal, small bowel, or pancreatic cancer—continue their current systemic therapy longer when only a …

This study tests a new way to give chemotherapy for gastrointestinal cancers like colorectal and stomach cancer. Doctors will adjust the dose of one chemo drug (5-FU) based on how well each patient tolerates it, aiming to give higher doses to those who can handle it without sever…

This study is testing whether a simple blood test that measures tumor DNA (ctDNA) can help doctors decide how much chemotherapy to give before surgery for colorectal or appendix cancer that has spread to the abdomen. The goal is to see if the test can identify patients who need s…

This Canadian study tests a modified version of early post-operative chemotherapy given directly into the abdomen after surgery for peritoneal cancer from colorectal or appendix tumors. The standard treatment takes five days, but this new approach shortens it to two days using a …

This study tests two experimental drugs, elironrasib and daraxonrasib, given alone or together, in people with advanced solid tumors that have a specific KRAS G12C mutation. The goal is to see if the drugs are safe and can shrink or control the cancer. About 534 adults with lung,…

This study tests two ways of giving heated chemotherapy directly into the abdomen during surgery for advanced gastrointestinal cancers that have spread to the lining of the belly. One method uses a fixed dose for everyone, while the other adjusts the dose based on the patient's b…

This study tests whether a concentrated clotting drug (fibrinogen) can better control major blood loss during surgery for pseudomyxoma peritonei, a rare abdominal cancer. About 90 adults will be randomly assigned to receive either the drug or a standard blood product during their…

This study looks at whether giving an extra dose of the antibiotic cefoxitin during appendix removal surgery can better prevent infections compared to the usual single dose before surgery. Researchers will measure antibiotic levels in blood, fat, and appendix tissue from 46 parti…

This study tests whether a lower dose of heated chemotherapy given during surgery works as well as a higher dose for people with pseudomyxoma peritonei, a rare cancer that spreads in the abdomen. About 176 participants will be randomly assigned to receive either the lower dose ov…

This early-phase trial tests a cancer vaccine (Pseudovax) combined with an immune booster and an immunotherapy drug in 10 people with pseudomyxoma peritonei, a rare abdominal cancer that has come back or cannot be removed. The goal is to see if the treatment is safe and can react…

This study tests a chemotherapy drug called paclitaxel, given directly into the abdominal cavity, for people with appendix cancer that has spread. The goal is to find a safe dose and see if it helps control the disease. About 39 adults with advanced appendix cancer that cannot be…

This study tests whether giving three rounds of heated chemotherapy directly into the abdomen after surgery works better than just one round for people with pseudomyxoma peritonei, a rare cancer that spreads in the belly. About 132 adults will be randomly assigned to one or three…

This study tests a new drug, APL-5125, in adults with advanced solid tumors like colorectal, pancreatic, and ovarian cancer. The goal is to see if the drug is safe and can shrink or control tumors. About 100 participants will receive the drug in two phases to find the best dose a…

This study tests a combination of three drugs (surufatinib, sintilimab, and capecitabine) in people with advanced small bowel or appendix cancer that has spread and stopped responding to standard treatments. The goal is to see if this mix can shrink tumors or slow cancer growth. …

This early-phase trial tests a technique called PIPAC, which turns liquid chemotherapy into a fine mist sprayed directly into the abdomen during a minimally invasive surgery. It aims to see if this approach is safe and causes fewer side effects than standard chemotherapy. The stu…

This study is testing a new blood test that looks at RNA (genetic material) to quickly tell if a person with belly pain has an infection inside the abdomen, like appendicitis or diverticulitis. About 1,000 adults and children over age 7 with abdominal pain will give a blood sampl…

This study is testing a new type of PET scan that uses special probes to highlight digestive system cancers, such as stomach, liver, colon, and pancreatic cancers. Researchers will enroll 400 adults to see how well this imaging method finds tumors and tracks their response to tre…

This study tests whether a simple checklist plus a finger-prick blood test can help family doctors decide which children with belly pain need to go to the hospital for possible appendicitis. About 566 children aged 4 to 18 will take part. If it works, fewer kids without appendici…

This study tests whether a dye called pafolacianine (CYTALUX™) can make cancer cells glow under near-infrared light during surgery. Fifteen adults with gastric, esophageal, or appendiceal cancer will receive the dye before standard surgery. Surgeons will use a special camera to l…

This study tests whether rinsing the abdomen with povidone-iodine (a common antiseptic) during surgery for a burst appendix can prevent painful internal abscesses. About 346 people having appendix removal will be randomly assigned to get the iodine wash or standard care. Research…

This study tests whether a special algorithm called PAGODA can reduce unplanned delays during FOLFOX chemotherapy for gastrointestinal cancers like colon, stomach, and esophageal cancer. About 420 participants will be randomly assigned to either standard care or the algorithm-gui…

This study tests whether giving lactulose, a mild laxative, after complex appendix surgery helps the bowels start working again sooner. 150 adults will receive either lactulose or a placebo for a few days after their operation. The main goal is to see how quickly they can pass st…

This study looks at whether watching a cartoon or playing a mobile game for 10 minutes before surgery can lower anxiety and fear in children aged 7 to 12 who are hospitalized for appendicitis. About 69 children will be split into three groups: one watches a cartoon, one plays a m…

This study tests whether patients with gangrenous appendicitis can safely go home shortly after emergency laparoscopic surgery instead of staying in the hospital. About 122 adults will be enrolled to compare safety, recovery, and costs. The goal is to see if outpatient management…

This study compares giving cancer treatment at home versus in the clinic for people with advanced cancers. The goal is to see if home treatment reduces stress, financial burden, and improves overall experience. About 220 participants will be randomly assigned to receive their reg…

This study compares same-day discharge versus staying overnight in the hospital after laparoscopic surgery for uncomplicated appendicitis. About 1,400 patients aged 15 to 74 with mild appendicitis will take part. The goal is to see if going home the same day is just as safe and l…

This study tests a 'fast-track' recovery plan for children aged 2 to 17 who had surgery for a burst appendix. The goal is to see if they can go home sooner without raising the risk of problems like infection or needing another surgery. About 772 children will take part, and their…

This study compares two types of nerve blocks (ESP block and TAP block) to see which one works better for pain relief after open appendix surgery. About 68 adults having this surgery will be randomly assigned to receive one of the two blocks. The main goal is to see which block r…

This study tests whether placing the numbing drug bupivacaine into the abdomen during open appendix surgery can reduce pain afterward. Sixty adults having open appendectomy will receive either bupivacaine or a saltwater placebo. Researchers will measure pain levels and how often …

This study tests whether using virtual reality (VR) can reduce severe belly pain and improve quality of life in people with digestive tract cancers. 360 participants will be split into three groups: one using a skills-based VR program, one using distracting VR videos, and a contr…

This study tests whether a daily breathing exercise called cardiac coherence can lower anxiety in people awaiting surgery for peritoneal cancer. About 60 participants will either practice the technique or receive standard care. The goal is to see if this simple, drug-free method …

This study looks at a treatment called HIPEC, where heated chemotherapy is washed inside the abdomen after surgery to remove tumors. Researchers want to see if lab-grown tumor models can predict how well the chemotherapy works. Sixty adults with cancers that have spread to the ab…

This study tests a 20-step recovery plan (ERAS) for children aged 5-18 having laparoscopic appendix surgery. The goal is to see if the plan can be followed closely and safely in a hospital. Researchers will track how well the steps are followed and check for any major problems or…

This study looks at stored tumor samples from 400 people with appendiceal cancer. Researchers will analyze DNA and RNA modifications to find patterns linked to how the cancer behaves. The goal is to create a molecular score that could one day help doctors predict outcomes more ac…

This study tests a new method called mass-based response testing (MRT) to help doctors choose the best chemotherapy drugs for patients with advanced appendix or colorectal cancer that has spread to the abdomen. The MRT device analyzes live tumor cells to see which drugs work best…

This study aims to collect medical data and biological samples (blood, urine, stool, and tissue) from up to 4,000 adults with known or suspected gastrointestinal diseases. Participants receive standard medical care at the NIH, and any extra samples or leftover tissue from procedu…

This study is for Black adults newly diagnosed with gastrointestinal cancer. It focuses on ensuring patients receive proper biomarker testing and evidence-based care, helping them find and join clinical trials if they choose, and providing easy-to-understand information about the…

This study tests whether Fitbit data (like heart rate and activity) can help predict infections in children recovering from complicated appendectomy. Researchers will develop an algorithm and see if it helps doctors make decisions. 500 children aged 3-18 are being enrolled.

Researchers are developing a simple tool to predict how difficult a laparoscopic appendectomy (keyhole appendix removal) might be. They will study 500 patients and look at factors like age, weight, and inflammation levels. The goal is to help surgeons prepare better and improve p…

This study looks back at medical records of 1000 adults who had emergency appendix removal using either robotic assistance or standard laparoscopic surgery. The goal is to compare things like surgery time, complications, and recovery. No new treatment is being tested—just gatheri…

This study watches over 1000 adults having laparoscopic appendix removal to see if washing the belly with fluid (lavage) reduces the chance of internal infections. Doctors will note how dirty the belly is and decide on washing based on a new classification system. The goal is to …

This study tracks 200 adults with suspected appendicitis to see if combining CT scans and the AIR scoring system can lower the rate of unnecessary appendix removal. Researchers will compare imaging and score results with final lab reports. No new treatments are being tested—just …

This study looks at how a common bowel-cleansing drink (PEG) used before colonoscopy changes the gut bacteria in people who have had their appendix removed. Researchers will compare these changes to those in people with an intact appendix. The goal is to understand if the appendi…

This study reviews medical records of 500 adults who had cytoreductive surgery (with or without heated chemotherapy) for advanced abdominal cancers. The goal is to find out how often incisional hernias occur and what patient or surgical factors increase the risk. Researchers hope…