View clinical trials related to Glioblastoma.
Filter by:This research study is a Phase II clinical trial, which tests the safety and effectiveness of an investigational drug to learn whether the drug works in treating a specific cancer. "Investigational" means that the study drug tivozanib is still being studied. It also means that the FDA has not yet approved tivozanib for your type of cancer. Tivozanib is an anti-angiogenesis medicine that fights different types of cancer by blocking the blood supply to the tumor, so that the tumor does not receive the nutrients it requires to grow. In this research study, we are looking to see what effects, good and bad, tivozanib will have on you and your disease.
Bevacizumab, a monoclonal antibody against vascular endothelial growth factor (VEGF), is an antiangiogenic treatment currently proposed to recurrent high grade glioma patients. Unfortunately some patients fail to respond to this treatment and finding biological factors allowing the discrimination between potential responders and non responders would be very helpful. As the immune system plays a key role in angiogenesis induction and maintenance in cancer, it could serve as a surrogate marker of angiogenesis in cancer patients. The purpose of this study is to determine the influence of bevacizumab treatment on circulating immune cells in high grade glioma patients and to search for a link between the variation of these cells and the response to treatment.
In order to test the investigators hypothesis that 8 teaspoons of POLYMVA is safe in a population of patients with grade IV brain astrocytoma (glioblastoma multiforme), the investigators will conduct an open-label, prospective, un-blinded study. The investigators expect that at least 70% of subjects will tolerate the supplement and complete the trial. The investigators expect no Serious Adverse Event to occur during this trial which is attributable to study compound. During this study, the investigators will also collect other qualitative data to be utilized for future double-blinded studies which will be aimed at determining whether grade IV astrocytoma patients who receive PolyMVA achieve a better quality of life during their chemo-therapeutic regimens versus grade IV astrocytoma patients who do not receive PolyMVA.
It was previously shown that 18F-DOPA PET imaging results in intended management changes in 41% of brain tumor patients. However, its impact on patient outcome defined as survival, costs, and/or quality of life has not been demonstrated. Regulatory agencies require randomized trials to determine the impact of PET on patient management and outcome. In this study we hypothesize that the addition of 18F-DOPA PET will improve patient outcome by more accurately identifying presence or absence of tumor recurrence than conventional imaging.
An open-label phase to assess the frequency and severity of adverse events in recurrent glioblastoma patients receiving Sativex in combination with dose-intense Temozolomide (Part A). A randomisation phase to assess the safety of Sativex compared with placebo (Part B). Part B will be reported here.
An open-label phase to assess the frequency and severity of adverse events in recurrent glioblastoma patients receiving Sativex in combination with dose-intense Temozolomide (Part A). A randomisation phase to assess the safety of Sativex compared with placebo (Part B). Part A will be reported here.
Despite the marginal improvements in survival of patients suffering from malignant glioma treated with gene therapy vectors, the clinical trials conducted so far using viral vectors, in particular adenoviral vectors, have proven that the use of adenoviral vectors is a safe therapeutic approach, even in large, multicenter, phase 3 clinical trials. Treatment of malignant glioma using gene transfer modalities typically consists of surgical debulking of the tumor mass followed by the administration of the viral vectors into the brain tissue surrounding the tumor cavity. This study will combine direct tumor cell killing (TK) and immune-mediated stimulatory (Flt3L) gene transfer approaches delivered by first generation adenoviral vectors.
The high-grade malignant brain tumors, glioblastoma multiforme (GBM), comprise the majority of all primary brain tumors in adults. This group of tumors also exhibits the most aggressive behavior, resulting in median overall survival of only 9-12 months. Initial therapy consists of either surgical resection, external beam radiation, or both. All patients experience a recurrence after first-line therapy, so improvements in both first-line and salvage therapy are critical to enhancing quality-of-life and prolonging survival. It is unknown if currently used intravenous (IV) therapies even cross the blood brain barrier (BBB). We have shown in a previous phase I trial that a single Superselective Intraarterial Cerebral Infusion (SIACI) of Bevacizumab (up to 15mg/kg) is safe and effective in the treatment of recurrent GBM. Therefore, this phase I/II clinical research trial is an extension of that trial in that we seek to test the hypothesis that repeated dosing of intra-arterial Bevacizumab is safe and effective in the treatment of newly diagnosed malignant glioma. By achieving the aims of this study we will also determine if repeated intra-arterial Bevacizumab improves progression free and overall survival in newly diagnosed patients. We expect that this project will provide important information regarding the utility of repeated SIACI Bevacizumab therapy for malignant glioma, and may alter the way these drugs are delivered to our patients in the near future.
The treatment of the most common cancers (colon, breast, lung, liver and kidney) has recently added a new therapeutic class known as the "anti-angiogenic". It was born from a better understanding of tumor growth requires the development of neo-vessels. These new vessels are of major importance for the viability of the tumor but also the birth of metastases. This neo-angiogenesis is complex and results from an imbalance between pro-angiogenic factors and anti-angiogenic factors. Growth factor VEGF and its receptors (VEGFR-1, VEGFR-2 and VEGFR-3) are a way of survival of endothelial cells required for tumor neoangiogenesis. The anti-angiogenic drugs currently available on the market are bevacizumab (Avastin ®), sunitinib (Sutent ®) and sorafenib (Nexavar ®). The mechanism of anti-angiogenic action of these three main drugs are pharmacological inhibition of the VEGF pathway. These new anti-angiogenic therapies, however, have significant adverse effects are common and some other more serious but rare. Hypertension is the most common side effect observed in patients treated with anti-VEGF. This is usually iatrogenic hypertension controlled by antihypertensive therapy and rarely compromises the pursuit of anti-angiogenic therapy. More rarely, it can have serious consequences malignant hypertension, severe hypertension refractory reversible posterior leukoencephalopathy associated with severe hypertension have also been reported. The pathophysiology of hypertension may be due to the neutralization of major physiological effects of VEGF in endothelial cell and therefore the vascular wall. The study of the microcirculation is not only useful in the diagnosis of microvascular but also macrovascular disease in the evaluation of chronic arterial and venous severe it determines the prognosis. In these indications, capillaroscopy remains the gold standard for all work pathophysiological because visualization of phenomena measured avoids artifacts and difficulties of interpretation. It then appealed to additional technology to directly measure the capillary pressure, capillary flow velocity, and indirectly assess capillary permeability and function of lymphatic canaliculi. The simplest of these technological inputs: video microscopy and digital image analysis, have also improved the practice of routine clinical capillaroscopy in its main field of application, evaluation of microangiopathy connective. The examination can be performed more quickly and easily archived and quantified. Only two studies on 14 and 16 patients were able to see a decrease in capillary density correlated with the therapeutic activity of anti-angiogenic the tumor mass and metastasis. Thus, we propose to quantify in a number of relatively large patient patients the decrease in capillary density as well as the relationship between the decrease in the number of capillaries and anti-tumor response. The study will also aim to measure the prevalence of hypertension in patients treated with bevacizumab and to establish the link between these data and the modification of the capillary microcirculation.
The purpose of this research study is to evaluate an investigational vaccine using patent-derived dendritic cells (DC) to treat malignant glioma or glioblastoma.