Condition: High Grade Gliomas · Sponsor: National Medical Research Radiological Centre of the Ministry of Health of Russia
The goal of this clinical trial is to learn if preopearative proton therapy (PPT) is tolerable in patients with High-grade brain gliomas. It will also learn about the influence on surgical procedure, clinical effects and safety of regular treatment. The main questions it aims to answer are: Does preoprative proton therapy well-tolerated? What maximal dose of PPT is safe? Proposed Treatment Stages 1. Multidisciplinary board (neurosurgeon, radiation therapist, and medical oncologist) decision of patient enrollment. 2. Course of preoperative proton stereotactic radiotherapy (PSRT) directed at the tumor only: GTV=contrast-part of brain giloma, CTV=GTV. Dose regimens: first 3 patients - 4 Gy(RBE) × 5 fractions; subsequent 3 patients - 5 Gy(RBE) × 5 fractions; subsequent 3 patients - 6 Gy(RBE) × 5 fractions. RBE = Relative biological efficacy, equal 1.1 for protons. Should any information regarding unacceptable treatment toxicity emerge, the study will be terminated. 3. Microsurgical resection of the contrast-enhancing portion of the tumor using fluorescence microscopy and, when indicated, neurophysiological monitoring. 4. Contrast-enhanced MRI to assess the resection volume within the first 24-48 hours after surgery. 5. Follow-up evaluation - clinical, morphological, and radiological assessment of the effects of the preoperative and surgical treatment stages, performed 3-4 weeks after the surgical phase. 6. Standard treatment and follow-up: Chemoradiotherapy with a scanned pro…
This description comes directly from the study's public registry record.
Konstantin Gordon, PhD · 0079105184148 · gordonkb@nmicr.ru
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| Proton Therapy Department, A. Tsyb Medical Radiological Research Center - branch of the National Medical Radiological Research Center | Obninsk, Kaluga Oblast, Russia | Recruiting |
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Source record: clinicaltrials.gov/study/NCT07710040