New radiation approach aims to boost lung cancer treatment in poor responders
NCT ID NCT07670715
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This phase II trial tests a special type of radiation called lattice radiation therapy (LRT) combined with standard chemoimmunotherapy for people with stage III lung cancer that did not shrink enough after initial treatment. The LRT delivers high-dose radiation to specific spots inside the tumor while sparing nearby healthy organs. The study will enroll 30 participants to see if this combination can improve tumor response and control the disease.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- lattice radiation therapy (a type of radiotherapy that delivers high and low radiation doses within the tumor) combined with chemoimmunotherapy
- What this could lead to
- If successful, this approach could offer a new treatment option for patients with advanced lung cancer who did not respond well to initial therapy, potentially improving tumor shrinkage and survival.
- What could go wrong
- This is a small, early-phase study with only 30 participants, so results may not apply to all patients. The combination therapy may cause side effects like radiation injury to the lungs, heart, or esophagus.
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 30 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jul 2026
An estimate. Start dates often move.
- Expected to finish
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Jul 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 years and older
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Histologically confirmed unresectable stage III locally advanced non-small cell lung cancer (LA-NSCLC). 2. Received at least 2 cycles of standard neoadjuvant chemoimmunotherapy, with suboptimal tumor response verified by post-induction radiological evaluation. 3. Age ≥ 18 years old. 4. ECOG performance status of 0 or 1. 5. Adequate hematologic, hepatic and renal function to complete radiotherapy and consolidation systemic therapy. 6. Voluntarily sign written informed consent and be capable of following study-related procedures. Exclusion Criteria: 1. Prior thoracic radiotherapy history. 2. Active uncontrolled autoimmune disorders or persistent severe immune-related adverse events. 3. Untreated symptomatic brain metastases. 4. Severe irreversible cardiac, pulmonary, liver or renal dysfunction that cannot tolerate combined radiotherapy and immunotherapy. 5. Pregnant or breastfeeding women. 6. Concurrent or previous other malignant tumors within 5 years, except cured basal cell skin cancer and cervical carcinoma in situ. 7. Any absolute contraindication to lattice radiation therapy or immune checkpoint inhibitor.
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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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Tianjin Medical University Cancer Institute & Hospital
Tianjin, Tianjin Municipality, 300000, China
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