Clinical trials
Radiation clinical trials
Below are recruiting radiation clinical trials, each written for real people, not researchers. We’re tracking 1,051 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04219202Recruiting
Pre-surgery radiation for retroperitoneal soft tissue cancer
This study tests giving special radiation (ions) before surgery for a specific cancer in the back of the abdomen (retroperitoneal soft tissue sarcoma). The goal is to shrink or control the tumor so surgery may be safer or more effective.
HeidelbergAges 18 years+ - NCT04234386Recruiting
Short-course targeted radiation for early breast cancer
This trial tests a radiation plan called GammaPod to treat early breast cancer with precise targeting. It may help patients by delivering the treatment in a more focused way, while checking safety and tumor control in the smallest, well-defined cancers.
Baltimore, MarylandAges 45 years+ - NCT04306432Recruiting
Check how cognitive tests change after brain tumor radiation
This trial studies how radiation therapy affects thinking and memory in adults with certain brain tumors. It may help doctors understand which patients are more likely to have cognitive side effects and how to measure them over time.
Copenhagen, Capital RegionAges 18–100 - NCT04402151RecruitingPhase 2
PSMA scan–guided targeted radiation for higher-risk prostate cancer
This trial uses a special PET/MR scan to help doctors aim stereotactic radiation more precisely for certain higher-risk or unfavorable intermediate prostate cancers. It studies whether this targeted approach can safely treat the prostate (and specific areas needing extra treatment) without spreading to the body.
New York, New YorkAges 21–90 - NCT04427566RecruitingPhase 2
Low-dose radiation to the whole lungs for severe COVID
This Phase 2 study tests whether low-dose whole-lung radiation can improve outcomes for people with severe COVID-19 lung problems who are on ICU breathing machines. It’s designed for patients with new COVID symptoms and low oxygen levels despite critical care.
Columbus, OhioAges 18 years+ - NCT04512833Recruiting
CyberKnife radiation for small liver cancer with cirrhosis
This trial tests CyberKnife stereotactic body radiation therapy—targeted high-precision radiation—for small hepatocellular carcinoma (liver cancer) in people with decompensated cirrhosis. It may help if other liver cancer treatments aren’t possible, but it has strict safety rules about tumor spread and nearby organs.
BeijingAges 30–80 - NCT04525989Recruiting
Short-course proton vs photon radiation before rectal surgery
This study compares two types of pre-surgery radiation—protons versus standard photons—in people with high-risk rectal cancer. The goal is to shrink and control the tumor while safely getting you ready for surgery, and to see which approach works better.
Stockholm, SolnaAges 18 years+ - NCT04545957Recruiting
Radiation planning study using MRI for adults with cancer
This trial tests a “master protocol” approach to use MRI (a detailed body scan) to help plan radiation treatment for people with cancer. It may help doctors customize radiation more accurately, depending on your specific cancer type.
Boston, MassachusettsAges 18 years+ - NCT04560803Recruiting
Skin grafts to help radiation wounds heal faster
This study tests a small skin graft approach to help wounds caused by prior radiation heal better. If you have a radiation-related skin wound that usually heals slowly on its own, this may speed healing and improve comfort.
Boston, MassachusettsAges 18–80 - NCT04587739RecruitingPhase 1
Radiation before surgery for a single liver tumor
This early feasibility study tests a radiation plan given before surgery for hepatocellular carcinoma (a type of liver cancer) to see if it’s safe and doable. It may help shrink or control the tumor before an operation that aims to fully remove it.
LilleAges 18–70 - NCT04623931RecruitingPhase 2
Chemo and radiation for IDH-wildtype glioma
This Phase 2 study tests a combination of chemotherapy and radiation after surgery for certain brain tumors that are “IDH wildtype.” It aims to control the tumor and improve outcomes for people with specific types of glioma or glioblastoma.
Houston, TexasAges 18 years+ - NCT04683679RecruitingPhase 2
Radiation plus pembrolizumab and olaparib for certain breast cancers
This study tests whether adding the drugs pembrolizumab and olaparib (or similar “radiosensitizers”) to radiation can improve outcomes for women with advanced breast cancer that is triple-negative or ER-positive/Her2-negative. It’s designed for cancers that have spread or come back and where radiation is being considered to control disease.
Basking Ridge, New JerseyAges 18 years+ - NCT04693377Recruiting
Freezing tumor treatment plus targeted radiation for painful bone spread
This study tests whether combining a “freezing” procedure (cryoablation) with focused external radiation (SBRT) can reduce pain from bone metastases. It’s for people with certain cancers that have spread to bone and are having significant pain in a specific bone spot.
Houston, TexasAges 18 years+ - NCT04703101RecruitingPhase 1
Short radiation plus chemo for stage II–III rectal cancer
This trial tests a short course of radiation therapy combined with chemotherapy for people with stage II or III rectal cancer. It’s designed to see whether this approach is safe and effective before or around cancer surgery.
Los Angeles, CaliforniaAges 18 years+ - NCT04701749Recruiting
Stopping blood thinners with a left-atrial device in bleeding risk
This trial studies whether it’s safe to temporarily stop blood-thinning medicine in people with long-term atrial fibrillation who have bleeding from a radiation-damaged bladder. It uses a procedure with a device placed in the left atrium to help lower stroke risk while reducing bleeding risk.
Clermont-FerrandAges 18 years+ - NCT04725903Recruiting
Proton beam radiation for high-risk prostate cancer
This trial tests proton radiation therapy for people with high-risk prostate cancer. It may help by delivering radiation in a more targeted way, with the goal of controlling the cancer while reducing exposure to nearby healthy tissue.
Atlanta, GeorgiaAges 18 years+ - NCT04774419RecruitingPhase 2
Radiation plus dostarlimab for post-surgery endometrial cancer
This Phase 2 study tests whether adding dostarlimab (an immunotherapy medicine) to radiation after surgery can lower cancer returning and improve outcomes. It’s for people with certain endometrial cancers found to have specific genetic/molecular changes and who have stage III/IVA disease after surgery.
Basking Ridge, New JerseyAges 18 years+ - NCT04787744RecruitingPhase 2/Phase 3
Test standard prostate cancer treatment with or without targeted spot radiation
This study tests whether adding targeted local treatment (like radiation to a few spots seen on scans) improves outcomes for some people with limited (oligometastatic) prostate cancer. It compares standard systemic therapy alone versus standard therapy plus PET-scan–guided spot treatment.
Long Beach, CaliforniaAges 18 years+ - NCT04793737Recruiting
Targeted radiation for melanoma that won’t respond to immunotherapy
This study tests a very focused form of radiation for melanoma that has spread and has stopped responding to PD-1 (and sometimes CTLA-4) immunotherapy. It may help by shrinking progressing spots while keeping the immune treatment going.
StockholmAges 18 years+ - NCT04831970Recruiting
Ablative radiation after prostate surgery for early recurrence
This trial studies a targeted, high-intensity radiation approach given after prostate removal surgery when prostate cancer seems to be coming back locally. It may help control the disease in the pelvis while avoiding treatment that could cause more side effects.
Rozzano, MIAges 18–90 - NCT04846309RecruitingPhase 1
MRI scan to personalize radiation for esophageal cancer
This Phase 1 study uses specialized imaging (including MRI) to better “see” low-oxygen areas in esophageal cancer and help guide individualized radiation treatment. It aims to improve how radiation is planned and delivered while checking safety.
Salt Lake City, UtahAges 18 years+ - NCT04852887RecruitingPhase 3
Testing shorter breast radiation after low-risk hormone breast cancer
This Phase 3 trial studies whether “less intense” radiation can work as well as standard radiation for certain early-stage hormone receptor–positive, HER2-negative breast cancers that have a low Oncotype DX score. It may help reduce treatment burden while keeping cancer control strong.
Birmingham, AlabamaAges 50–70 - NCT04858880Recruiting
Personalized radiation for PSA rise after prostate surgery
This study tests a tailored (personalized) radiation plan for men whose PSA (“prostate blood test”) rises after prostate surgery but who have no detectable spread on scans. It may help control cancer growth by targeting the right area based on your situation.
JönköpingAges 18 years+ - NCT04861194Recruiting
Test treatment plans to preserve erections during prostate radiation
This trial studies ways to help preserve erectile function while you receive radiation treatment for prostate cancer. It may help by aiming to protect erections, especially for people at low to intermediate risk.
Utrecht, UtrechtAges 18 years+
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Common questions
- Are there clinical trials for radiation?
- Yes. Clin2 currently lists 1,051 recruiting radiation 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 radiation 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 radiation 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.