Spots Global Cancer Trial Database for Radiotherapy in IDH Mutated Glioma: Evaluation of Late Outcomes

Study Description

Brief Summary: Rationale: Standard postoperative treatment of isocitrate dehydrogenase 1/2 mutated grade 2 and 3 glioma (IDHmG) consists of radiotherapy and chemotherapy. The improving prognosis of these patients leads towards more emphasis on the long-term effects of treatment. Specifically radiotherapy has been implicated in the development of delayed neurocognitive deterioration. The impact of modern radiotherapy techniques (such as intensity modulated radiotherapy, volumetric modulated radiotherapy and proton beam therapy) and chemotherapy on general toxicity, late neurocognitive outcomes and imaging changes is currently unclear. Objectives: * To report treatment outcomes and radiation-induced toxicity from a prospective, multicentre observational cohort of IDHmG patients treated with radiotherapy and chemotherapy, * To integrate radiotherapeutic dose distributions, imaging changes and neuropsychological outcome in IDHmG. * To evaluate the Dutch selection criteria for proton therapy applied to IDHmG based on the outcomes collected in this observational study. * To assess the impact of proton and photon therapy on health-related quality of life (HRQoL) and health-related economics (HR-E) in IDHmG patients. * To collect genetic material for future translational research into the interaction between germline DNA, prognosis and radiation-induced toxicity. Nature and extent of the burden and risks associated with participation, benefit and group relatedness: This project is a multicentre, observational cohort of patients undergoing radiotherapy and chemotherapy for IDHmG. The protocol closely follows the local guidelines for clinical follow-up. Specific to the study are extra questionnaires and specific imaging acquired during scheduled MRI's. Routine neuropsychological investigation is standard of care in Erasmus Medical Center (Erasmus MC), but not in all participating centers. We feel the additional burden of participation in this study to be low.

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Eligibility

Minimum Age: 18 Years

Eligible Ages: ADULT, OLDER_ADULT

Sex: ALL

Healthy Volunteers: No

Locations

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