Radiation and immunotherapy join forces in new cancer trial
NCT ID NCT07277777
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether adding a special type of radiation (called 125I seed brachytherapy) to standard immunotherapy can help shrink tumors and keep them from growing back. The trial will include 90 adults with various cancers that have come back or spread. Half will get the combination treatment, and half will get immunotherapy alone. The goal is to see if the radiation makes the immune system work better against the cancer.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 90 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jan 2026
An estimate. Start dates often move.
- Expected to finish
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Jan 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Age 18 to 80 years. * Histologically or clinically confirmed primary, recurrent, or metastatic malignant tumor. * At least one measurable lesion according to RECIST 1.1 or iRECIST. * Tumor site suitable for 125I seed implantation under CT or PET/CT guidance. * Planned to receive or eligible to receive an immune checkpoint inhibitor (ICI). * ECOG performance status 0-2. * Adequate organ function: ANC ≥ 1.5 × 10⁹/L Platelets ≥ 80 × 10⁹/L Hemoglobin ≥ 90 g/L AST/ALT ≤ 3 × ULN (≤ 5 × ULN for liver metastasis) Creatinine clearance ≥ 50 mL/min * Life expectancy ≥ 3 months. * Ability to understand and sign informed consent. Exclusion Criteria: * Prior I-125 seed implantation at the planned treatment site. * Active uncontrolled infection or systemic inflammatory disease. * Known history of autoimmune disease requiring systemic immunosuppression. * Prior treatment with immune checkpoint inhibitors within the last 4 weeks. * Uncontrolled coagulopathy or contraindication to interventional seed implantation: INR \> 1.5 Platelets \< 50 × 10⁹/L * Tumor location that poses unacceptable procedural risk, including inability to obtain a safe puncture path. * Severe cardiopulmonary dysfunction (e.g., heart failure, unstable arrhythmia, severe COPD). * Pregnancy or breastfeeding. * Known allergy or contraindication to radiopharmaceuticals, contrast agents, or anesthesia agents used during implantation. * Any condition that, in the investigator's judgment, makes the participant unsuitable for the study (e.g., poor compliance, severe psychiatric disorder).
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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The 960th Hospital of People's Liberation Army (PLA)
Jinan, Shandong, 250031, China
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