RECTAL ADENOCARCINOMA

This small study tests a new approach for people with stage II/III rectal cancer that has not spread. Instead of chemotherapy, patients receive targeted internal radiation followed by two doses of the immunotherapy drug nivolumab before surgery. The goal is to see if this combina…

This study tests a personalized radiation approach for locally advanced rectal cancer. By adjusting the radiation dose halfway through treatment based on a special MRI scan, doctors hope to increase the number of patients whose tumors completely disappear before surgery. The tria…

This phase 2 trial is testing whether adding an experimental drug called DCSZ11 to standard radiation and chemotherapy can improve outcomes for people with a high-risk type of rectal cancer. The study will enroll 30 adults who have not had prior treatment. The goal is to see if t…

This study tests a combination of two types of radiation therapy for elderly or frail patients with rectal cancer who cannot or will not have surgery. The goal is to shrink or control the tumor while maintaining quality of life. Researchers will follow 80 participants for up to t…

This phase 2 trial tests a mix of immunotherapy, a cancer-killing virus, short-course radiation, and chemotherapy in 20 people with locally advanced low rectal cancer. The goal is to see if this combination can make the tumor disappear completely for at least a year, potentially …

This study tests whether a targeted chemoradiotherapy can completely eliminate early-stage rectal cancer, allowing patients to avoid surgery and keep their rectum. 90 adults with small, localized tumors will either receive standard surgery or the new treatment followed by close m…

This pilot study tests whether an Ayurvedic drug called Trishul can help shrink rectal tumors and improve survival. Forty adults with advanced rectal cancer will receive either Trishul or a placebo pill, in addition to their standard treatment (chemo-radiation and surgery). The s…

This phase 2 trial is testing a new approach for people with stage II-III rectal cancer. It combines short-course radiotherapy that spares the tumor-draining lymph nodes with a PD-1 inhibitor (a type of immunotherapy). The goal is to see if this combination can lead to a complete…

This phase 2 trial tests a new approach for people with high-risk locally advanced rectal cancer. Participants will receive a short course of radiation with a boost to the tumor, combined with chemotherapy (capecitabine and oxaliplatin) and an immunotherapy drug (tislelizumab). T…

This trial compares two surgical techniques for removing rectal cancer in women. The standard method cuts the peritoneum slightly above its lowest point, while the new method cuts exactly at the lowest point. Researchers believe the new technique may reduce blood loss and protect…

This phase 2 trial tests a new approach for locally advanced rectal cancer: using MRI-guided, reduced-field short-course radiotherapy together with immunotherapy and chemotherapy before surgery. The goal is to shrink the tumor effectively while causing fewer side effects than sta…

This phase 2 trial tests a new approach for patients with a specific type of mid-low rectal cancer (pMMR/MSS). Participants receive a short course of radiation followed by six cycles of the immunotherapy drug ivonescimab. The goal is to see if this combination can make the cancer…

This study will compare two different PET/MRI scans to see which one is better at finding lymph node metastases in people with middle to high rectal cancer. Thirty participants will receive both types of scans before surgery. The goal is to see if the newer tracer, [68Ga]Ga-CTR-F…

This study tests a highly absorbable form of curcumin (from turmeric) in 72 adults with mid-to-low rectal cancer who are getting chemoradiation before surgery. The goal is to see if curcumin can reduce severe gut side effects like diarrhea and rectal pain. Researchers will also c…

This study looks at where cancer spreads to lymph nodes in people with colon or rectal cancer. Researchers will examine tissue from 1200 patients who had surgery to remove their cancer. The goal is to find patterns that could help doctors better plan treatment in the future.

This study tests a new short camera called a rectoscope to check the lower bowel after rectal tumour removal. The goal is to see if it can be used in the clinic with a simple enema instead of strong bowel prep, making follow-up checks faster and reducing waiting lists. Thirty pat…

This study will compare treatment recommendations made by a large language model (AI) with those made by a team of cancer experts for 180 people with rectal cancer. The AI will analyze de-identified patient information and suggest a treatment plan. The goal is to see how often th…

This study will look at tumor samples and health records from 300 people who had surgery for rectal cancer. The goal is to find patterns in the tumor's immune environment that can predict which patients will respond well to chemotherapy or immunotherapy. This could help doctors i…

This study looks at 100 adults with advanced rectal cancer who received total neoadjuvant therapy (a combination of chemotherapy and radiation before surgery). Researchers want to see whether the response in the lymph nodes or the primary tumor better predicts how long patients s…

This study reviews medical records of 300 adults who had endoscopic or surgical removal of rectal tumors between 2015 and 2025. Researchers want to see if newer endoscopic methods are as safe and effective as traditional surgery. The goal is to help doctors choose the best approa…

This study looks at two ways to remove rectal cancer tumors. The newer method removes the tumor through the anus, avoiding extra cuts in the belly. The goal is to see if this leads to fewer wound problems and less pain after surgery. The study will review records from 190 adult p…

This phase 2 trial tests whether a highly sensitive blood test (ctDNA) can help manage treatment for 200 people with early-stage rectal cancer. After standard chemotherapy and radiation, some patients will have their treatment guided by the blood test results instead of immediate…

This study looks at whether doctors are properly reporting small cancer spots called tumor deposits in people with rectal cancer. These spots can show if the cancer is more aggressive and might need extra treatment like chemo or radiation. Researchers will compare reports from be…

This study looks at people with rectal cancer who have small leftover spots after chemoradiotherapy. One group will have these spots removed with a scope, while the other group will just be watched closely. The goal is to see which approach leads to better cancer control after on…