View clinical trials related to Brain Tumors.
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Primary and secondary brain tumors are a constant challenge for the medicine. Tissue sensitivity to ionizing radiation differs and depends on numerous factors and the same dose of radiation may produce different effects in particular structures of the CNS. It can also affect the surrounding healthy tissues and lead to adverse effects like the cognitive or physical function impairment. One of brain structures most sensitive to ionizing radiation is the limbic system, especially the hippocampus, because it is here that the postnatal neurogenesis takes place via neural stem cells, which are a self-renewing population of precursor cells. There have been no studies that would thoroughly examine the impact of different CNS radiation therapy techniques on the cognitive function, potential neuroplasticity markers or blood-brain barrier damage in brain tumor patients with a concomitant use of neurocognitive combination therapies or physical exercise, and their impact on the CNS function. The aim of the study is to assess the impact of selected RT techniques: IMRT, WBRT, and CyberKnife (SRS) on the processes regulating cognitive and physical function in patients with primary (Group III and IV, WHO, 2016) and metastatic CNS tumors. The secondary objective is the analysis of the effect of selected forms of neurorehabilitation on the parameters studied. The study will be a prospective clinical trial conducted in 150 patients. Patient evaluation will be carried out before RT, after RT, during a follow-up visit-3 months after RT, and finally after 6 months. The methods will be used: analysis of the blood-brain barrier permeability markers including exact connection proteins, markers confirming neuroplasticity of the brain, cerebral secretory activity, and onco- and anti-neuronal antibody activity, brain structure analysis (MRI) and volume testing of selected brain structures, and assessment of cognitive and physical function of the patients. The study will be a part of the search trend aiming to explain the mechanism of the formation of cognitive-behavioral disorders in humans based on the most fundamental principles governing information processing in CNS, and the impact of neoplasia and ionizing radiation on selected brain structures and functions. The results of the study might become a starting point for the formulation of new guidelines on the level of physical activity or cognitive exercise in patients treated with CNS radiation therapy.
Background. Survivors of childhood brain tumours have the poorest health-related quality of life of all cancer survivors due to the multiple physical and psychological sequelae of brain tumours and their treatment. Remotely delivered Acceptance and Commitment Therapy (ACT) may be a suitable and accessible psychological intervention to support young people who have survived brain tumours. Aims. This study aims to assess the feasibility and acceptability of remotely delivered ACT to improve quality of life among young brain tumour survivors. Method. This study is a two-arm, parallel group, randomised controlled trial comparing ACT with waitlist control. Participants will be aged 11-24 years and survivors of brain tumours who have completed cancer treatment. Participants will be randomised to receive 12 weeks of ACT either immediately or after a 12-week wait. The durability of treatment effects will be assessed by further follow-up assessments at 24-, 36- and 48- weeks. The DNA-v model of ACT will be employed, which is a developmentally appropriate model for young people. Feasibility will be assessed using the proportion of those showing interest who consent to the trial and complete the intervention. A range of clinical outcome measures will also assess physical and mental health, everyday functioning, quality of life and service usage. Acceptability will be assessed using participant evaluations of the intervention, alongside qualitative interviews and treatment diaries analysed thematically. Discussion. This study will provide an initial assessment of the value of remotely delivered ACT in supporting recovery and coping for young people after brain tumour treatment.
During a brain surgery targeted to remove a brain tumor, the neurosurgeon wakes up the patient to delimit the tumor area exactly, and identify the surrounding areas, to limit the surgery damages. The present project aims at testing the patient in this awake phase to determine the brain areas implied in time to contact (TTC) perception, a function that allows determining the arrival time of moving objects and used in many tasks of our daily life.
This protocol compares the toxicity of radiotherapy or radiochemotherapy applied with different radiation modalities - protons or photons. Patients with different kinds of brain tumours and foreseen high-dose radiotherapy can be included. The hypothesis of the trial is that the rate of chronic toxicity 1 year after the end of radiotherapy is 15% lower after proton compared to photon treatment.
MicroRNAs (miRNA) are molecular biomarkers that post-transcriptionally control target genes. Deregulated miRNA expression has been observed in diverse cancers. In high grade gliomas, known as glioblastomas, the investigators have identified an oncogenic miRNA, miRNA-10b (mir-10b) that is expressed at higher levels in glioblastomas than in normal brain tissue. This study tests the hypothesis that in primary glioma samples mir-10b expression patterns will serve as a prognostic and diagnostic marker. This study will also characterize the phenotypic and genotypic diversity of glioma subclasses. Furthermore, considering the critical function of anti-mir-10b in blocking established glioblastoma growth, the investigators will test in vitro the sensitivity of individual primary tumors to anti-mir-10b treatment. Tumor, blood and cerebrospinal fluid samples will be obtained from patients diagnosed with gliomas over a period of two years. These samples will be examined for mir-10b expression levels. Patient survival, as well as tumor grade and genotypic variations will be correlated to mir-10b expression levels.
The goals of this study are to: 1. To improve upon and develop new innovative magnetic resonance imaging techniques that refine image quality and enhance performance. Improvements in these areas will have positive implications for medical diagnosis and treatment. 2. To correlate MRI images with underlying disease pathophysiology in order to ensure that imaging accurately reflects the disease process.
The purpose of this study is to determine whether Tranexamic Acid is effective or not in the reduction of intraoperative bleeding loss in brain tumors resections.
The investigators plan to improve event free survival rate and reduce treatment related toxicities of pediatric patients with high risk/recurrent CNS tumors by administrating tandem high dose chemotherapy and autologous stem cell rescue.
The purpose of this research study is to collect and store brain tumor tissue samples for future research. The samples will become part of the University of Florida Brain Tumor Tissue Bank/Florida Center for Brain Tumor Research. The goal is to find improved treatments and cures for brain tumors.