Clinical trials
Rectal Cancer clinical trials
Below are recruiting rectal cancer clinical trials, each written for real people, not researchers. We’re tracking 398 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07213193Recruiting
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RomaAges 18 years+ - NCT05186116Recruiting
Liver transplant for colon cancer that cannot be removed
This trial studies whether liver transplant (rather than removing the liver tumors) can help some people with colon or rectal cancer spread to the liver. It’s meant for people whose cancer has responded or stayed controlled on standard treatments and who have no cancer outside the liver.
Modena, MOAges 18–77 - NCT07450612Recruiting
Blood test and AI for early colorectal cancer detection
This study uses a simple blood test (liquid biopsy) and computer analysis to find early signs of colorectal cancer, precancerous growths, and Lynch syndrome. It aims to improve early detection and monitor for any remaining cancer after treatment.
Milan, LombardyAges 18 years+ - NCT07407647RecruitingPhase 2
Vaginal DHEA for better vaginal health after pelvic radiation
This study tests whether a vaginal insert of DHEA (a hormone) can help with vaginal health problems caused by pelvic radiation for anal, rectal, or gynecologic cancers. It is for women who are already postmenopausal and are about to start radiation.
Columbus, OhioAges 50 years+ - NCT05793554Recruiting
AI checks cancer type during rectal surgery in real time
This study tests an AI system that helps identify cancer or polyp findings during rectal surgery or assessment, using real-time information. It may help surgeons classify tissue more accurately while you are already getting treatment.
Dublin, IrelandAges 18 years+ - NCT06965335Recruiting
Early-onset colorectal cancer study
This study looks at colorectal cancer that starts early in life (ages 18–40). It compares it to the same cancer in people over 60 to find differences. You can join if you have had colorectal cancer and can provide a sample of your tumor.
Milan, MilanoAges 18–40 - NCT05933122Recruiting
Sexual health support after rectal cancer surgery
This study looks at how common sexual difficulties are in women after rectal cancer surgery, and whether a sexologist-led support program can help. If you qualify, you may be asked about sexual well-being and take part in counseling support.
Brive-la-GaillardeAges 18 years+ - NCT06613165Recruiting
Short vs long treatment for stage II-III rectal cancer with dMMR
This trial tests how long you need a PD-1 immunotherapy before surgery for a specific type of rectal cancer (dMMR/MSI-H). It looks at whether a shorter or longer course works best. This could mean fewer side effects and a quicker path to surgery.
Xi'an, ShaanxiAges 18–80 - NCT05524428Recruiting
Test to improve colorectal cancer screening at community clinics
This study tries to reduce barriers to colorectal cancer screening by using a repeated “test and improve” approach with clinic staff. If you work in roles that support screening at participating community health centers, you may be eligible to help implement and evaluate these changes.
Boston, MassachusettsAges 18 years+ - NCT05939687RecruitingPhase 3
Mesh placement to help prevent complications after bowel surgery
This Phase 3 trial tests whether placing a protective mesh during stoma closure can lower the risk of complications after low anterior resection surgery. It may help people heal more safely and reduce stoma-related problems.
MoscowAges 18–85 - NCT07058012RecruitingPhase 2
Testing immunotherapy for ctDNA-positive colorectal cancer after treatment
This trial is for people with colorectal cancer whose ctDNA blood test is still positive after surgery and chemotherapy. It tests two immunotherapy drugs (cemiplimab alone or with fianlimab) to see if they can eliminate the remaining cancer cells and prevent the cancer from coming back.
Gainesville, FloridaAges 18 years+ - NCT07046585Recruiting
Blood test for colon cancer screening
This trial tests a new blood test to screen for colorectal cancer in people at average risk. You would give a blood sample before your scheduled colonoscopy, and the results will be compared to the colonoscopy findings.
Austin, TexasAges 40 years+ - NCT07003022RecruitingPhase 2
Two-drug combo for advanced colorectal cancer
This trial tests a combination of two drugs (cadonilimab and an anti-angiogenic agent) for advanced colorectal cancer that has a specific genetic feature (dMMR or MSI-H). It aims to find a new treatment option that might work better than current therapies.
Shanghai, ChinaAges 18–80 - NCT07503847Enrolling by invitation
Colorectal Cancer Screening for Ages 40-49 with Family History
This trial helps people aged 40-49 who have a parent, sibling, or child with colorectal cancer decide on the best way to get screened. It aims to find the most effective screening method for those at higher risk.
TaipeiAges 40–49 - NCT05984576Recruiting
Chemo and radiation for recurrent rectal cancer after prior pelvic radiation
This study looks at combining total neoadjuvant therapy (chemotherapy and radiation) for rectal cancer that has come back in the pelvis after earlier radiation. It aims to see if this treatment approach can help control the disease and improve outcomes in patients with limited spread that can potentially be removed or treated.
RomeAges 18 years+ - NCT05049317Recruiting
Check urinary and sexual function after rectal cancer surgery
This study looks at how a specific rectal surgery (laparoscopic total mesorectum excision) affects urinary and sexual function after the operation. It may help patients by tracking what to expect and which factors relate to better recovery.
Wuhan, HubeiAges 18–70 - NCT04087421RecruitingPhase 3
Transanal irrigation vs glycerol suppositories for LARS
This trial compares two ways to help bowel control in people with low anterior resection syndrome (LARS) after low rectal surgery. It aims to see which option works better when standard treatments have not helped enough.
AarhusAges 18 years+ - NCT07732894Recruiting
Exercise and Guided Imagery for Bowel Symptoms After Cancer Surgery
This study tests if combining gentle aerobic exercise with guided imagery (a relaxation technique using your imagination) can help improve bowel control and reduce symptoms after rectal cancer surgery.
IstanbulAges 18–65 - NCT07730541Recruiting
Special MRI for rectal cancer before treatment
This trial uses a special MRI technique to help doctors better understand rectal cancer before treatment. It is for people who will receive chemotherapy and radiation before surgery.
TaoyuanAges 20 years+ - NCT06633133Recruiting
Virtual ileostomy vs. diverting ileostomy for rectal cancer surgery
This trial compares a virtual ileostomy (a system that monitors leaks without creating a temporary opening) to a traditional diverting ileostomy (a temporary bag) in people having rectal cancer surgery. The goal is to see if the virtual method is safer and avoids a second surgery.
ChongqingAges 18 years+ - NCT02704520Recruiting
MRI scoring test for rectal cancer response to treatment
This study looks at how an MRI “score” (mrTRG) matches how well locally advanced rectal cancer shrinks after pre-surgery chemotherapy and radiation. The goal is to use MRI results to better predict treatment response and guide care.
Aberdeen, AberdeenshireAges 16 years+ - NCT07674732RecruitingPhase 2
Shorter radiation with immunotherapy for rectal cancer
This trial tests a shorter course of radiation followed by a combination of chemotherapy, immunotherapy, and a targeted drug (bevacizumab) for locally advanced rectal cancer that is mismatch repair proficient (pMMR) or microsatellite stable (MSS). The goal is to see if this approach can shrink the tumor enough for surgery while avoiding more extensive radiation.
Guangzhou, GuangdongAges 18–75 - NCT07651553Recruiting
Transanal vs. Robotic Surgery for Rectal Cancer
This trial compares two surgical approaches to remove rectal cancer while preserving bowel function. Researchers want to see which method—performed through the anus or with robotic assistance—leads to better outcomes and quality of life.
Guangzhou, GuangdongAges 18–75 - NCT07646639RecruitingPhase 2
Radiation, chemotherapy, and immunotherapy for advanced rectal cancer
This study tests a combination of radiation therapy, chemotherapy drugs (capecitabine and oxaliplatin), and two types of immunotherapy (a PD-1 blocker and IL-2) for locally advanced rectal cancer. The goal is to see if this combination helps shrink tumors and improve outcomes before surgery.
Nanjing, JiangsuAges 18–70
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Common questions
- Are there clinical trials for rectal cancer?
- Yes. Clin2 currently lists 398 recruiting rectal cancer studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a rectal cancer trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a rectal cancer trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Beyond the search
We also like to point to nonprofits doing real good in this area. We aren’t affiliated with them — we just admire the work.
- Stand Up To CancerPeople facing cancer across many types, through the research that leads to better treatments.
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.