Elimination of PTV Margins Based on MRI-guided Adaptive Stereotactic Radiotherapy for Non-small Cell Lung Cancer With Brain Metastasis
NCT ID: NCT06582940
Last Updated: 2025-11-17
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
PHASE2
168 participants
INTERVENTIONAL
2024-03-01
2026-03-01
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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The study group
Patients in the study group will receive MRI-guided adaptive stereotactic radiotherapy (without PTV expansion margin). The total dose will be 30Gy/5 fractions, administered once daily. The MRI-linac is used for the delivery of radiotherapy.
MRI-guided adaptive SRT
MRI-guided online adaptive SRT (without PTV expansion margin). The total dose will be 30Gy/5 fractions, administered once daily. MRI will be acquired.
The control group
Patients in the study group will receive conventional standard stereotactic radiotherapy (with PTV expansion margin). The total dose will be 30Gy/5 fractions, administered once daily. The conventional linac is used for the delivery of radiotherapy.
Conventional SRT
Conventional SRT (with PTV expansion margin). The total dose will be 30Gy/5 fractions, administered once daily. CBCT will be acquired.
Interventions
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MRI-guided adaptive SRT
MRI-guided online adaptive SRT (without PTV expansion margin). The total dose will be 30Gy/5 fractions, administered once daily. MRI will be acquired.
Conventional SRT
Conventional SRT (with PTV expansion margin). The total dose will be 30Gy/5 fractions, administered once daily. CBCT will be acquired.
Eligibility Criteria
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Inclusion Criteria
* 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
* 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
18 Years
75 Years
ALL
No
Sponsors
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Sun Yat-sen University
OTHER
Responsible Party
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Hui Liu
Professor
Locations
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Sun yat-sen University Cancer Center
Guangzhou, Guangdong, China
Countries
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Central Contacts
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Facility Contacts
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References
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Shaw MG, Ball DL. Treatment of brain metastases in lung cancer: strategies to avoid/reduce late complications of whole brain radiation therapy. Curr Treat Options Oncol. 2013 Dec;14(4):553-67. doi: 10.1007/s11864-013-0258-0.
Baliga S, Garg MK, Fox J, Kalnicki S, Lasala PA, Welch MR, Tome WA, Ohri N. Fractionated stereotactic radiation therapy for brain metastases: a systematic review with tumour control probability modelling. Br J Radiol. 2017 Feb;90(1070):20160666. doi: 10.1259/bjr.20160666. Epub 2016 Dec 12.
Lagendijk JJ, Raaymakers BW, Van den Berg CA, Moerland MA, Philippens ME, van Vulpen M. MR guidance in radiotherapy. Phys Med Biol. 2014 Nov 7;59(21):R349-69. doi: 10.1088/0031-9155/59/21/R349. Epub 2014 Oct 16. No abstract available.
Khoo VS, Joon DL. New developments in MRI for target volume delineation in radiotherapy. Br J Radiol. 2006 Sep;79 Spec No 1:S2-15. doi: 10.1259/bjr/41321492.
Stemkens B, Tijssen RH, de Senneville BD, Lagendijk JJ, van den Berg CA. Image-driven, model-based 3D abdominal motion estimation for MR-guided radiotherapy. Phys Med Biol. 2016 Jul 21;61(14):5335-55. doi: 10.1088/0031-9155/61/14/5335. Epub 2016 Jun 30.
Glitzner M, Crijns SP, de Senneville BD, Kontaxis C, Prins FM, Lagendijk JJ, Raaymakers BW. On-line MR imaging for dose validation of abdominal radiotherapy. Phys Med Biol. 2015 Nov 21;60(22):8869-83. doi: 10.1088/0031-9155/60/22/8869. Epub 2015 Nov 4.
Ma LH, Li G, Zhang HW, Wang ZY, Dang J, Zhang S, Yao L, Zhang XM. Hypofractionated stereotactic radiotherapy with or without whole-brain radiotherapy for patients with newly diagnosed brain metastases from non-small cell lung cancer. J Neurosurg. 2012 Dec;117 Suppl:49-56. doi: 10.3171/2012.7.GKS121071.
Raaymakers BW, Jurgenliemk-Schulz IM, Bol GH, Glitzner M, Kotte ANTJ, van Asselen B, de Boer JCJ, Bluemink JJ, Hackett SL, Moerland MA, Woodings SJ, Wolthaus JWH, van Zijp HM, Philippens MEP, Tijssen R, Kok JGM, de Groot-van Breugel EN, Kiekebosch I, Meijers LTC, Nomden CN, Sikkes GG, Doornaert PAH, Eppinga WSC, Kasperts N, Kerkmeijer LGW, Tersteeg JHA, Brown KJ, Pais B, Woodhead P, Lagendijk JJW. First patients treated with a 1.5 T MRI-Linac: clinical proof of concept of a high-precision, high-field MRI guided radiotherapy treatment. Phys Med Biol. 2017 Nov 14;62(23):L41-L50. doi: 10.1088/1361-6560/aa9517.
Other Identifiers
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GASTO-10115
Identifier Type: -
Identifier Source: org_study_id
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