Clinical trials
Rectal Cancer, Adenocarcinoma clinical trials
Below are recruiting rectal cancer, adenocarcinoma clinical trials, each written for real people, not researchers. We’re tracking 251 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06204094RecruitingPhase 2
Preserving the anus with chemo, immunotherapy, and radiation for rectal cancer
This trial tests a treatment plan that combines chemotherapy, immunotherapy, and radiation before surgery for patients with middle or low rectal cancer. The goal is to shrink the tumor enough to avoid removing the anus, preserving bowel function.
Jinhua, ZhejiangAges 18–75 - NCT06647680RecruitingPhase 2
Chemo and immunotherapy before surgery for rectal cancer
This trial tests a combination of chemotherapy and an immunotherapy drug (a PD-1 inhibitor) given before surgery for locally advanced rectal cancer. The goal is to see if this approach can improve outcomes compared to standard treatment.
Qingdao, ShandongAges 18–75 - NCT07194616Recruiting
Rectal cancer blood test study before surgery
This trial is studying a blood test (CTC) for people with rectal cancer that hasn't spread to other parts of the body. It aims to see how the test relates to treatment outcomes after surgery.
OlomoucAges 18 years+ - NCT07347951RecruitingPhase 2
New drug combo for rectal cancer patients who want to save their anus
This trial tests a combination of short-course radiation, chemotherapy, and two targeted drugs (Serplulimab and Bevacizumab) for people with a specific type of rectal cancer. It aims to see if this treatment can help shrink the tumor enough to avoid surgery and keep the anus.
Wenzhou, ZhejiangAges 18–75 - NCT07393048Recruiting
Personalized ctDNA test to predict rectal cancer treatment response
This trial uses a personalized blood test (ctDNA-MRD) to see how well neoadjuvant therapy works for rectal cancer. If you have stage II or III rectal cancer that can be surgically removed, this study might help guide your treatment.
Beijing, Beijing MunicipalityAges 18–75 - NCT06402864RecruitingPhase 3
Internal radiation for rectal preservation in intermediate rectal cancer
This study is testing whether a special internal radiation treatment (contact X-ray brachytherapy) can help people with intermediate-stage rectal cancer avoid surgery and keep their rectum intact. It is for patients who are also receiving mFolfirinox chemotherapy.
Avignon, FranceAges 18–99 - NCT05378919RecruitingPhase 2
Testing new pre-surgery treatment for locally advanced rectal cancer
This Phase 2 trial compares a pre-surgery (neoadjuvant) treatment plan versus the standard plan for people with stage II–III rectal cancer. The goal is to see which approach works better and is safe before surgery.
KaunasAges 18 years+ - NCT07150949RecruitingPhase 2
Comparing two radiation schedules with chemotherapy and immunotherapy for rectal cancer
This study tests two different radiation regimens (long-course vs. short-course) combined with chemotherapy (CAPOX), an immunotherapy drug (PD-1 antibody), and a COX-2 inhibitor for people with MSS locally advanced rectal cancer. The goal is to see which approach works better in shrinking the tumor before surgery.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT07337811Recruiting
Selective removal of rectal cancer after radiation and chemotherapy
This trial tests how well a precise surgery removes the remaining rectal cancer after you have had radiation and chemotherapy. It is for people whose tumor has shrunk a lot but is still there, and the tumor is very low in the rectum.
Guangzhou, GuanggongAges 18–75 - NCT07297004RecruitingPhase 2
Targeted radiation for recurrent rectal cancer
This trial tests targeted radiation (SBRT) for people whose rectal cancer has come back in the pelvis and cannot be surgically removed. The goal is to see if this focused radiation can control the tumor with fewer side effects.
Guangzhou, GuangdongAges 18–75 - NCT06043999Recruiting
Chemotherapy vs. surgery for high-risk rectal cancer after local removal
This trial compares standard chemotherapy to more extensive surgery (total mesorectal excision) for patients whose initial local surgery showed high-risk features like poor differentiation, lymphovascular invasion, or larger tumor size. It aims to find the best treatment to prevent cancer from coming back.
Guangzhou, GuangdongAges 18–75 - NCT06455124RecruitingPhase 2
Short radiation and chemo-immunotherapy for early rectal cancer after local surgery
This trial tests a combination of short-course radiation, chemotherapy (CapeOx), and an immunotherapy drug (PD-1 inhibitor) for people with early-stage rectal cancer who have had a local excision but are at high risk of the cancer coming back. The goal is to avoid more extensive surgery while still effectively treating the cancer.
ShanghaiAges 18–75 - NCT02649647Recruiting
Surgery plan for rectal cancer after chemo-radiation
This trial looks at a specific type of rectal surgery after you’ve already finished chemo-radiation, aiming to remove the tumor while trying to preserve the anal sphincter (muscle control). It’s meant for people whose cancer can be safely operated on and who don’t have spread to distant organs.
Guangzhou, GuangdongAges 18–75 - NCT07223424RecruitingPhase 2
Patient preference study: shot vs infusion for immunotherapy
This study compares two ways to take immunotherapy drugs (nivolumab or pembrolizumab): as a shot under the skin (subcutaneous) versus an infusion into a vein (intravenous). It looks at which method patients prefer and is for people with certain advanced cancers where these drugs are already approved.
Pittsburgh, PennsylvaniaAges 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 - NCT06997497RecruitingPhase 3
Study of Calderasib with other drugs for colorectal cancer
This trial tests a new drug called Calderasib combined with targeted therapy or chemotherapy for people with advanced colorectal cancer that has a specific genetic change (KRAS G12C mutation). It may be an option for those who have not had prior treatment for advanced disease.
Los Angeles, CaliforniaAges 18 years+ - NCT06854679Recruiting
MRI-guided radiation for rectal cancer
This trial tests a new way of giving radiation therapy for rectal cancer, using MRI scans to aim the radiation more precisely. It's for people who need chemotherapy and radiation before surgery, and it aims to make treatment more effective while reducing side effects.
Sutton, SurreyAges 18 years+ - NCT07474103Recruiting
Chemo, radiation, and immunotherapy for high-risk rectal cancer
This trial tests a treatment plan that combines chemotherapy, radiation, and an immunotherapy drug before surgery for people with high-risk locally advanced rectal cancer. The goal is to see if this approach can improve outcomes.
WuhanAges 18–75 - NCT06767007RecruitingPhase 2
Radiation plus immunotherapy for recurrent rectal cancer
This trial studies a combination of SBRT (a precise kind of radiation) and an immunotherapy drug (PD-1 antibody) for people whose rectal cancer has come back in the pelvis and cannot be removed by surgery. The goal is to see if this treatment can shrink the tumor or stop it from growing.
Guangzhou, GuangdongAges 18–75 - NCT07005570RecruitingPhase 2
Short radiation and chemo with or without immunotherapy for rectal cancer
This trial tests if adding an immunotherapy drug (PD-1 inhibitor) and a targeted therapy (bevacizumab) to short-course radiation followed by chemo can improve outcomes for patients with locally advanced rectal cancer that is pMMR/MSS. The goal is to shrink the tumor before surgery and possibly avoid the need for more extensive treatment.
Guangzhou, GuangdongAges 18–75 - NCT05000697Recruiting
Watch-and-wait or chemo after rectal cancer radiation
This trial studies people with early-to-mid stage distal rectal cancer who may get radiation and chemotherapy, with an option that may include an extra drug (oxaliplatin). It also tests whether some people can safely follow a “watch and wait” plan instead of immediate additional treatment, aiming to reduce overtreatment while keeping cancer control.
Buenos AiresAges 18 years+ - NCT05927584Recruiting
Local removal for early rectal cancer without extra treatment
This trial studies removing an early rectal cancer tumor locally (through the rectum/anal area) with no additional therapy afterward. The goal is to preserve organs and maintain quality of life while still trying to cure the cancer.
MadridAges 18 years+ - NCT05964530Recruiting
Testing local removal versus radical surgery for rectal cancer
This trial looks at whether removing the rectal tumor locally (through the anus) can work as well as a more extensive operation after scans show no remaining cancer. It may help some people avoid bigger surgery if the cancer truly appears gone after treatment.
TaipeiAges 18–75 - NCT06958432RecruitingPhase 2/Phase 3
Short-course radiation plus chemo and immunotherapy for rectal cancer
This trial tests a treatment plan that uses a short course of radiation to the lymph nodes-sparing area, followed by chemotherapy and an immunotherapy drug (PD-1 inhibitor) for people with a specific type of mid or low rectal cancer (pMMR/MSS). The goal is to see if this approach can shrink the tumor and improve outcomes without needing extensive surgery.
Guangzhou, GuangdongAges 18–75
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Common questions
- Are there clinical trials for rectal cancer, adenocarcinoma?
- Yes. Clin2 currently lists 251 recruiting rectal cancer, adenocarcinoma 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, adenocarcinoma 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, adenocarcinoma 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
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.