New MRI-guided radiation aims to spare brain tissue in lung cancer patients
NCT ID NCT06582940
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This phase 2 trial tests whether using MRI-guided adaptive radiotherapy can safely eliminate extra safety margins around brain tumors, potentially reducing radiation-related brain damage. 168 adults with non-small cell lung cancer and 1-10 brain metastases will receive either the new MRI-guided approach or standard radiation. The main goal is to see if the new method lowers the rate of brain necrosis (tissue damage) while still controlling the cancer.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- MRI-guided adaptive stereotactic radiotherapy
- What this could lead to
- If successful, this approach could reduce radiation-related brain damage while still controlling brain metastases, improving quality of life for lung cancer patients.
- What could go wrong
- This is a phase 2 trial with 168 participants, so results are preliminary. The technique is complex and may not work for all patients or may still cause side effects.
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 168 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2024
- Expected to finish
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Mar 2026
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 75 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: * Aged 18-75 years * Histologically or cytologically confirmed non-small cell lung cancer * 1-10 metastases on contrast-enhanced MRI * Radiotherapy for extracranial lesions is permitted * Tyrosine kinase inhibitors (TKI) are permitted in patients with progression of * intracranial metastases during previous TKI therapy * Patients have measurable or evaluable lesions based on the Response Evaluation Criteria in Solid Tumors (RECIST) criteria * Eastern Cooperative Oncology Group (ECOG) performance status 0-1 * Normal function of organs and bone marrow within 14 days: Total bilirubin 1.5 times or less the upper limits of normal (ULN); AST and ALT 1.5 times or less the ULN; absolute neutrophil count≥ 500 cells/mm3; creatinine clearance rate(CCR) ≥45 mL/min; Platelet count≥50,000 cells/mm3; international normalized ratio(INR) ≤1.5#Prothrombin Time (PT)≤ 1.5 × ULN * Informed-consent Exclusion Criteria: * Small cell carcinoma of lung * Intracranial metastases needed surgical decompression * Patients with contraindications for MRI * Previous radiotherapy or excision for intracranial metastases * Hypertensive crisis, hypertensive encephalopathy, symptomatic heart failure (New York class II or above), active cerebrovascular disease or cardiovascular disease occurred within 6 months * Uncontrolled hypertension (systolic \> 150mmHg and/or diastolic \> 100mmHg) * Major surgery within 28 days or minor surgery or needle biopsy within 48 hours * Urine protein 3-4+, or 24h urine protein quantitative \>1g * Severe uncontrolled disease * Uncontrollable seizure or psychotic patients without self-control ability * Women in pregnancy, lactation period * Other not suitable conditions determined by the investigators
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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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Sun yat-sen University Cancer Center
RECRUITINGGuangzhou, Guangdong, 510060, China
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