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Almonertinib Combined With Cerebral Radiation Treat Brain Metastases From EGFR Positive NSCLC
According to literature reports, about 16.3%-19% of newly diagnosed NSCLC patients are associated with brain metastasis, and 30%-50% of NSCLC patients will develop brain metastasis during the whole course of the disease. Patients with EGFR positive-type had a 10-15% higher risk of brain metastasis than patients with EGFR wild-type. mOS in patients with EGFR positive were twice as high as those with EGFR wild-type, despite the presence of brain metastasis. Improving the control rate of intracranial lesions in patients with EGFR positive can not only improve the quality of life, but also may translate into survival benefits and...
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A Longitudinal Assessment of Tumor Evolution in Patients With Brain Cancer
The purpose of this study is to test the safety and tolerability of the research study drugs nivolumab, ipilimumab, lomustine, bevacizumab, and temozolomide when used following surgery and before standard therapy with radiation and temozolomide in patients with newly diagnosed high grade glioma. Additional aims of the study are to: - Find out side effects (good and bad) of study drug combinations. - Evaluate any preliminary evidence of anticancer activity of study drug combinations . - Evaluate tumor characteristics by collecting brain tumor tissue samples. - Measure the amount of nivolumab and ipilimumab...
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Analysis of CMV Infections in Patients With Brain Tumors or Brain Metastases During and After Radio(Chemo)Therapy
Radio(chemo)therapy is the standard therapy for both, brain tumors and brain metastases. Neurological decline is observed in these patients and tumor progression or radiotherapy side effects have been made responsible for this. However CMV encephalitis may also be a reason. Therefore the investigators aim to analyze the CMV status in patients during and after radio(chemo)therapy. It will be checked by CMV-DNA (PCR analysis) and CMV antibodies (IgG and IgM ELISA) in the blood of the patients. These findings will be correlated with changes in the brain, visualized by MRI. In addition a detailed immunophenotyping in the peripheral blood...
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Analyzing Preoperative Stereotactic Radiosurgery With Gamma Knife Icon for Brain Metastases
This is a single-arm, single-center pilot study in which 10 patients with one to four brain metastases diagnosed on brain magnetic resonance imaging (MRI) within the past 30 days will be evaluated for study eligibility and enrolled as appropriate.
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Androcur® (Cyproterone Acetate) and Meningioma Development: a Genotype-environment Association Study
The primary objective of the study is to create a biobank of oral smears permitting to identify the genetic locus/loci associated with an increased risk to develop meningiomas after cyproterone acetate (CPA) (Androcur®) treatment, using a GWAS approach. As the secondary objectives, the study aims: - to evaluate the importance of the genetic susceptibility. - to record the frequence of homonodependant cancers occuring in female patients with Androcur® associated meningioma and in their first-degree relatives. - to describe clinical, radiological, histological characteristics of the patients who have...
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An Investigational Scan (7T MRI) for the Imaging of Central Nervous System Tumors
This trial investigates how well 7T MRI scan works in imaging central nervous system tumors. Diagnostic procedures, such as 7T MRI, may help find and diagnose central nervous system tumors and help measure a patient's response to earlier treatment. The goal of this trial is to learn if a new MRI system can provide better quality images than a standard MRI.
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An Investigation of Brain Tumor Metabolism in Patients Undergoing Surgical Resection
The study is designed to use infusion of a non-radioactive, naturally occurring isotope of glucose (13C) in patients undergoing surgical resection for a newly identified brain mass to obtain the metabolic phenotype of the tumor, and correlate it with the histopathological diagnosis. In each patient, 13C NMR spectral analysis of tumor extracts will be obtained after intraoperative infusion of [U-13C]glucose or [1,2-13C]glucose. Whenever feasible, patients will undergo 3 preoperative imaging studies - 18FDG-PET, diffusion tensor imaging with 1H-spectroscopy on 3T MR scanner, and ultra high resolution MR imaging on the 7T MR scanner....
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Anlotinib to Malignant Brainstem Glioma
This study is a single-arm, open-label, phase II study of anlotinib combined with radiation in the treatment of patients with malignant brainstem glioma. Twenty five patients will be enrolled in the study who is diagonsis with malignant brainstem glioma. The primary objective includes disease control rate (DCR), the role of antinib combined with radiotherapy in improving quality of life and 6-month progression-free survival rate. The secondary objective include overall survival (OS), toxicity profile. Exploratory objectives include the use of plasma specimens and cerebrospinal fluid (if possible) to detect biomarkers predicting the ...
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An Open-Label Phase II Study of Nivolumab in Adult Participants With Recurrent High-Grade Meningioma
This research study is studying targeted immunotherapies as a possible treatment for recurrent meningioma. The names of the study interventions involved in this study are nivolumab and ipilimumab.
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Antiangiogenic Therapy for Children With Recurrent Medulloblastoma, Ependymoma and ATRT
Patients with relapsed medulloblastoma, ependymoma and ATRT have a very poor prognosis whether treated with conventional chemotherapy, high-dose chemotherapy with stem cell rescue, irradiation or combinations of these modalities. Antiangiogenetic therapy has emerged as new treatment option in solid malignancies. The frequent, metronomic schedule targets both proliferating tumor cells and endothelial cells, and minimizes toxicity. In this study the investigators will evaluate the use of biweekly intravenous bevacizumab in combination with five oral drugs (thalidomide, celecoxib, fenofibrate, and alternating cycles of daily low-dose...
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