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Background: The radiological follow-up of diffuse gliomas is challenged by the difficult distinction of true progression from treatment-related changes. To this end, the Response Assessment in Neuro-Oncology (RANO) Working Group has issued specific recommendation for the standardized evaluation of magnetic resonance imaging (MRI). In addition, positron emission tomography (PET) using radiolabeled amino acids allows for the delineation of metabolically active tumor regions in brain tumors, and guidelines for PET-based response assessment have been recently proposed (PET RANO 1.0). However, well-annotated data on longitudinal PET alterations before and during treatment and follow-up are missing in isocitrate dehydrogenase (IDH)-mutant gliomas, particularly as tumor entities defined by IDH mutations have been established only recently and data on PET imaging mainly rely on previous brain tumor classification frameworks. Aims: This bicentric, prospective, observational study aims to collect data on imaging-based disease monitoring in patients with IDH-mutant gliomas. Specifically, this study aims to investigate longitudinal changes of amino acid PET tracer uptake during treatment in IDH-mutant gliomas and to evaluate the correlation between amino acid PET uptake at baseline and response to postoperative standard of care treatment. Patient cohort/methods: Adult (age ≥ 18 years) patients diagnosed and/or treated at the Medical University of Vienna (Vienna, Austria) or the LMU Hospital Munich (Munich, Germany) with histologically verified diffuse IDH-mutant glioma (oligodendroglioma, astrocytoma of all grades) and PET imaging for routine follow-up before, during and after treatment will be included. Clinical and imaging data will be collected in a standardized manner and correlated with treatment response. Primary endpoint is progression-free survival (PFS) according to RANO 2.0 criteria, secondary endpoints include PFS according to PET-RANO 1.0 criteria, time to next intervention (TTNI) and overall survival (OS). Originality/relevance: This study will generate data that will inform future response assessment frameworks and the design of future clinical trials in IDH-mutant glioma.
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Accepts Healthy Volunteers
Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms |
No |
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Study Type
An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes. Searching Both is inclusive of interventional and observational studies. |
Observational |
| Eligible Ages | 18 Years and Over |
| Gender | All |
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Trial ID:
This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries. |
NCT07159607 |
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Phase
Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans. Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data. Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use. |
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Lead Sponsor
The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data. |
LMU Klinikum |
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Principal Investigator
The person who is responsible for the scientific and technical direction of the entire clinical study. |
Nathalie L Albert, Prof. Dr. med. |
| Principal Investigator Affiliation | LMU Klinikum München |
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Agency Class
Category of organization(s) involved as sponsor (and collaborator) supporting the trial. |
Other, Industry |
| Overall Status | Recruiting |
| Countries | Austria, Germany |
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Conditions
The disease, disorder, syndrome, illness, or injury that is being studied. |
IDH-mutant Glioma (Oligodendroglioma, Astrocytoma) |
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