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Hyperpolarized 13C-pyruvate Metabolic MRI With Infiltrating Gliomas
The purpose of this study is to examine the safety and feasibility of performing hyperpolarized metabolic MRI in the diagnosis of brain tumor. This study will also assess the accuracy of hyperpolarized metabolic MRI to diagnose intermediate to patients with infiltrating gliomas and examine the added utility of metabolic MRI over standard MRI imaging The FDA is allowing the use of hyperpolarized [1-13C] pyruvate (HP 13C-pyruvate) in this study. Up to 5 patients may take part in this study at the University of Maryland, Baltimore (UMB).
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Hyperpolarized Carbon-13 Alpha-ketoglutarate Imaging in IDH Mutant Glioma
This study will investigate the use of hyperpolarized (HP) carbon-13 (13C) alpha-ketoglutarate (aKG) (HP 13C-aKG) to characterize tumor burden in participants with isocitrate dehydrogenase (IDH) mutant glioma.
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Hyperpolarized Carbon C 13 Pyruvate in Diagnosing Glioma in Patients With Brain Tumors
This trial studies how an imaging agent, hyperpolarized carbon C 13 pyruvate, works in diagnosing glioma in patients with brain tumors. Giving hyperpolarized carbon C 13 pyruvate before an advanced imaging technique called a magnetic resonance spectroscopic imaging (MRSI) scan may help researchers better diagnose glioma in patients with brain tumors.
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Hyperpolarized Imaging in Diagnosing Participants With Glioma
This pilot trial studies the side effects of hyperpolarized carbon C 13 pyruvate magnetic resonance imaging (MRI) in diagnosing participants with glioma. Diagnostic procedures, such as hyperpolarized carbon C 13 pyruvate MRI, may help find and diagnose glioma.
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HyperSpectral Imaging in Low Grade Glioma
Low grade glioma (LGG) is a slowly evolving, highly invasive intrinsic brain tumor displaying only subtle tissue differences with the normal surrounding brain, hampering the attempts to visually discriminate tumor from normal brain, especially at the border interface. This makes anatomical borders hard to define during early maximal resection, which is the initial treatment strategy. Therefore, innovative, robust and easy-to-use real-time strategies for intra-operative detection and discrimination of (residual) LGG tumor tissue would strongly influence on-site, surgical decision making, enabling a maximal extent of resection. To validate this approach hyperspectral imaging (HSI)...
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Hypofractionated Proton Therapy for Benign Intracranial Brain Tumors, the HiPPI Study
This phase II trial studies how well hypofractionated proton or photon radiation therapy works in treating patients with brain tumors. Hypofractionated radiation therapy delivers higher doses of radiation therapy over a shorter period of time and may kill more tumor cells. A shorter duration of radiation treatment may avoid some of the delayed side effects of radiation while providing a more convenient treatment and reducing costs.
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Hypofractionated Radiation Therapy for Merkel Cell Carcinoma
This phase II trial tests whether hypofractionated radiation works to treat patients with Merkel cell carcinoma. Radiation therapy uses high energy x-rays to kill cancer cells and shrink tumors. Hypofractionated radiation therapy delivers higher doses of radiation therapy over a fewer number of days than tradition radiation therapy courses for Merkel cell carcinoma. This may be less suppressive of the immune response to tumors and should be helpful for patient convenience.
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Hypofractionated Radiotherapy
This study was a multicenter, open-label, randomized, controlled, phase Ⅲ clinical trial to evaluate the efficacy and safety of hypofractionated concurrent radiotherapy followed by sequential temozolomide after surgery in patients with newly diagnosed glioblastoma. A total of 420 subjects were enrolled in this study, randomized 1:1. According to the changes in overall survival time after postoperative concurrent chemoradiotherapy with different radiation doses, the stratification factors included the extent of surgical resection (total resection vs subtotal resection); The time of postoperative concurrent chemoradiotherapy (less than 28 days or more than 28 days); MGMT promoter...
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Hypofractionated Versus Single Fraction Stereotactic Adjuvant Radiotherapy to the Resection Cavity of Brain Metastases
This prospective, randomized, controlled, monocentric clinical phase III study focuses on stereotactic irradiation of resection cavities of brain metastases after surgical resection and seeks to demonstrate the superiority of fractionated irradiation schemes in terms of local control.
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Hypofractionation Trial of Re-irradiation in Good Prognosis Recurrent Glioblastoma
Background: Glioblastoma (GBM) is a cancer of the brain. Current survival rates for people with GBM are poor; survival ranges from 5.2 months to 39 months. Most tumors come back within months or years after treatment, and when they do, they are worse: Overall survival drops to less than 10 months. No standard treatment exists for people whose GBM has returned after radiation therapy. Objective: To find a safe schedule for using radiation to treat GBM tumors that returned after initial radiation treatment. Eligibility: People aged 18 years and older with grade 4 GBM that returned after initial radiation treatment. Design: Participants will be screened. They will...
