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Brain Connectivity Changes in Glioma Patients During Treatment (GliRecon)
Functional Reorganization and Connectivity in Glioma Patients During the Therapeutic Trajectory
The goal of this observational study is to better understand how the brain changes during the treatment of glioma. In particular, the study looks at changes in important brain areas that are responsible for functions such as movement, language, or sensation, as well as the nerve fiber pathways that connect these areas.
The main question this study aims to answer is:
How do important brain areas and their connections adapt and reorganize over the course of glioma treatment?
Patients with glioma will undergo repeated brain imaging examinations as part of their regular medical care. These images will be analyzed over time to observe changes in brain activity and structure during different stages of therapy.
By studying these changes, researchers hope to gain new insights into the brain's ability to adapt (neuroplasticity) throughout the entire course of glioma treatment.
Studie Overzicht
Toestand
Studietype
Inschrijving (Geschat)
Contacten en locaties
Studiecontact
- Naam: Raimund Kleiser, PD Dr.
- Telefoonnummer: +43 5 7680 87 - 26701
- E-mail: raimund.kleiser@kepleruniklinikum.at
Studie Contact Back-up
- Naam: Mario Scheweder, MSc
- Telefoonnummer: +43 50 344 27125
- E-mail: mario.scheweder@kepleruniklinikum.at
Studie Locaties
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Upper Austria
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Linz, Upper Austria, Oostenrijk, 4020
- Werving
- Kepler University Hospital
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
Accepteert gezonde vrijwilligers
Bemonsteringsmethode
Studie Bevolking
Beschrijving
Inclusion Criteria:
- Patients with diffuse gliomas (WHO grade 2-4).
- Age >18 years and <65 years.
- Written participant information and informed consent provided and signed.
- Signed informed consent for functional magnetic resonance imaging (fMRI).
Exclusion Criteria:
- Age <18 years or >65 years.
- Pregnancy.
Contraindications to MRI, including but not limited to:
- Active medical implants (e.g., pain pump, defibrillator, cardiac pacemaker),
- Orthodontic braces,
- Metallic tattoos,
- Non-removable piercings,
- Known metallic foreign bodies,
- Claustrophobia.
- Cerebral metastases from secondary (non-primary) tumors.
- Absence of baseline BOLD functional MRI and/or baseline neurocognitive assessment.
- Failure to provide written participant information and informed consent.
- Karnofsky Performance Status (KPS) <60, unless feasibility of clinical-psychological testing and BOLD fMRI is confirmed by the investigator in consultation with clinical psychology, radiology staff, and the patient.
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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Treatment-related changes in BOLD signal and diffusion tensor imaging (DTI) outcomes across different stages of treatment.
Tijdsspanne: Day 0 (pre-neurosurgery baseline), Day 28 (post-surgery/pre-radiotherapy), and Day 126 to Day 140 (post-treatment)
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This outcome assesses changes from baseline in neurofunctional activation measured by blood-oxygen-level-dependent (BOLD) functional MRI and in brain microstructural properties measured by diffusion tensor imaging (DTI) parameters (e.g., fractional anisotropy and mean diffusivity) at predefined time points during treatment.
Not all participants will undergo radiotherapy as part of standard clinical care; therefore, the timing of the final assessment corresponds to the respective treatment stage.
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Day 0 (pre-neurosurgery baseline), Day 28 (post-surgery/pre-radiotherapy), and Day 126 to Day 140 (post-treatment)
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Treatment-related changes in neurofunctional activation patterns and cerebral organizational and reorganization processes assessed by functional MRI and diffusion tensor imaging (DTI) at 1-year follow-up from treatment initiation.
Tijdsspanne: Day 0 (pre-neurosurgery baseline) and Day 365 (one-year follow-up)
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This outcome assesses changes from baseline in neurofunctional activation measured by blood-oxygen-level-dependent (BOLD) functional MRI and in brain microstructural properties measured by diffusion tensor imaging (DTI) parameters (e.g., fractional anisotropy and mean diffusivity) at the one-year follow-up compared with measurements obtained at the start of treatment.
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Day 0 (pre-neurosurgery baseline) and Day 365 (one-year follow-up)
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Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
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BOLD functional MRI signal change
Tijdsspanne: Day 0 (pre-neurosurgery baseline), Day 126-140 (post-treatment), Day 365 (one-year follow-up)
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Brain activation measured as blood oxygen level-dependent (BOLD) signal change using functional MRI during task-based acquisition.
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Day 0 (pre-neurosurgery baseline), Day 126-140 (post-treatment), Day 365 (one-year follow-up)
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Fractional anisotropy (DTI)
Tijdsspanne: Day 0 (pre-neurosurgery baseline), Day 126-140 (post-treatment), Day 365 (one-year follow-up)
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Fractional anisotropy values derived from diffusion tensor imaging (DTI) assessed during treatment and follow-up.
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Day 0 (pre-neurosurgery baseline), Day 126-140 (post-treatment), Day 365 (one-year follow-up)
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Mean diffusivity (DTI)
Tijdsspanne: Day 0, Day 126-140, Day 365
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Mean diffusivity values derived from diffusion tensor imaging (DTI).
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Day 0, Day 126-140, Day 365
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Cognitive performance score
Tijdsspanne: 0, Day 126-140, Day 365
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Cognitive performance assessed using standardized neuropsychological test scores.
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0, Day 126-140, Day 365
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Patient-reported quality of life score
Tijdsspanne: Day 0, Day 126-140, Day 365
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Patient-reported quality of life measured using validated questionnaires.
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Day 0, Day 126-140, Day 365
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Medewerkers en onderzoekers
Medewerkers
Onderzoekers
- Studie stoel: Raimund Kleiser, PD Dr., Neuroimaging Sciences and Support Center ,Clinical Institute for Neurosciences, Institute of Neuroradiology, Kepler Unisversity Hospital Linz, Johannes Kepler University
- Studie stoel: Andreas Gruber, Full Professor, Head of Clinical Institute for Neurosciences, Head of the Departmend of Neurosurgery, Kepler Unisversity Hospital Linz, Johannes Kepler University
- Studie stoel: Hans Geinitz, Professor, Head of Department of Radiation Oncology, Clinical Institute for Neurosciences
- Hoofdonderzoeker: Michael Sonnberger, MD, Head of Institute of Neuroradiology, Kepler University Hospital Linz, Johannes Kepler University
Studie record data
Bestudeer belangrijke data
Studie start (Werkelijk)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Trefwoorden
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- 1419/2025
Informatie over medicijnen en apparaten, studiedocumenten
Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel
Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct
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