View clinical trials related to Glioma.
Filter by:This study will examine the use of a variation of standard magnetic resonance imaging (MRI) called diffusion tensor MRI (DT-MRI) for distinguishing injured brain tissue due to radiation therapy (radiation necrosis) from the return of a brain tumor that was previously removed (tumor recurrence). DT-MRI differs from standard MRI in the way that computers process the images; there is no difference in the experience of having the procedure done. Both radiation necrosis and tumor recurrence can occur within weeks to months following brain radiation treatment. Because the treatment and management options for the two conditions differ significantly, distinguishing the two is of critical importance. Currently, surgical biopsy is required to make this differentiation. Healthy volunteers and patients who have received radiation therapy as part of their treatment for a brain tumor may be eligible for this study. All candidates must be at least 21 years old. Patients must have a new area of abnormality that requires a biopsy to determine whether it is a tumor recurrence or radiation necrosis. Candidates are screened with a medical history and physical examination. In addition, patients have blood and urine tests. All participants undergo MRI and DT-MRI. MRI uses a strong magnetic field and radio waves instead of X-rays to obtain images of body organs and tissues. The MRI scanner is a metal cylinder surrounded by a strong magnetic field. During the MRI, the subject lies on a table that can slide in and out of the cylinder and wears earplugs to muffle loud knocking noises that occur during the scanning. Scanning time varies from 20 minutes to 3 hours, with most scans lasting 40-60 minutes. Subjects may be asked to lie still for up to 20 minutes at a time. DT-MRI is a type of MRI that measures how water moves in the brain tissue. This technique uses the same MRI machine as conventional MRI, but the diffusion images are obtained after the normal MRI scan, and by a computer program that is installed into the machine. This completes the participation of healthy subjects. In addition to the scans, patients undergo brain biopsy of the abnormal areas identified by MRI. Patients' commitment to the study protocol is fulfilled when the surgery is complete; they may, however, continue to receive follow-up care at the NIH Clinical Center after they complete the study. They are given the results of the biopsy so that further treatment, if necessary, can be arranged.
To establish a clinic based case control study for examination of potential risk factors for primary adult brain tumors.
The purpose of this study is to compare the response to treatment and side effects associated with high dose irinotecan in patients with recurrent brain tumors.
To determine the safety and efficacy of Gliadel 3.85% wafers plus surgery and radiation with Temozolomide
RATIONALE: Pemetrexed disodium may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. PURPOSE: This phase II trial is studying how well pemetrexed disodium works in treating patients with recurrent malignant gliomas, primary CNS lymphoma, or brain metastases.
RATIONALE: Radiation therapy uses high-energy x-rays to kill tumor cells. Drugs used in chemotherapy, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. PURPOSE: This clinical trial is studying giving radiation therapy or combination chemotherapy to see how well it works in treating patients with clinically or radiologically progressive low-grade gliomas.
RATIONALE: Drugs used in chemotherapy, such as arsenic trioxide and temozolomide, work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. Radiation therapy uses high-energy x-rays to kill tumor cells. Giving arsenic trioxide and temozolomide together with radiation therapy after surgery may kill any remaining tumor cells. PURPOSE: This phase I/II trial is studying the side effects and best dose of arsenic trioxide and temozolomide when given together with radiation therapy and to see how well they work in treating patients with malignant glioma that has been removed by surgery.
This phase II trial is studying how well giving O6-benzylguanine together with temozolomide works in treating young patients with recurrent or progressive gliomas or brain stem tumors. Drugs used in chemotherapy, such as O6-benzylguanine and temozolomide , work in different ways to stop the growth of tumor cells, either by killing the cells or by stopping them from dividing. O6-benzylguanine may help temozolomide work better by making tumor cells more sensitive to the drug. Giving more than one drug (combination chemotherapy) may kill more tumor cells.
Background: In vivo experiments have documented the ability of ZD6474 to inhibit tumor growth in various preclinical tumor models. Given the pronounced neovasculature associated with malignant gliomas, and abundant published data demonstrating the dependence of glioma growth on the maintenance and proliferation of this neovasculature, ZD6474 represents a potentially promising new therapeutic approach to these otherwise refractory tumors. Thus, we now propose a phase I trial of ZD6474 in patients with recurrent and progressive low-grade gliomas who are on P450-inducing anti-epileptic drugs and a phase II trial for patients with recurrent gliomas not taking P450-inducing anti-epileptic drugs. Objective: Phase I - To establish the maximally tolerated dose of ZD6474 and to obtain preliminary information regarding the spectrum of toxicities of ZD6474, and to obtain pharmacokinetic data to patients taking EIAED. Phase I - To obtain preliminary information regarding potential anti-tumor activity of ZD6474 in patients taking EIAED. Phase II - To establish data regarding the anti-tumor activity of ZD6474 and to collect information regarding the spectrum of toxicities in patients not taking EIAEDs. Eligibility: Patients with histologically proven malignant primary gliomas will be eligible for this protocol. Additionally, patients with progressive low-grade gliomas and patients with infiltrative brain stem gliomas, diagnosed radiographically rather than by biopsy will also be eligible. Design: Phase I - Group B patients will be accrued to the formal dose-escalation phase I trial. Groups of patients with recurrent high-grade gliomas will be accrued to increasingly higher doses of ZD6474 until the MTD is established. Phase II - Patients will be treated at a dose of 300 mg day, every day, on a 4-week cycle.
Background: Bevacizumab is a genetically engineered antibody that blocks the growth of new blood vessels in tumors. Inhibiting the formation of these blood vessels may slow or stop disease progression by diminishing the supply of life-sustaining nutrients and oxygen the blood delivers to the tumor. Bevacizumab is approved for treating colorectal cancer and has shown activity against brain tumor cells in laboratory and animal tests. Objectives: To examine the safety and side effects of bevacizumab in patients with recurrent brain tumors. To determine the anti-tumor activity of bevacizumab in patients with recurrent brain tumors. Eligibility: Patients 18 years of age and older with a brain tumor that continues to grow after receiving standard treatments. Design: Patients complete the following procedures during the study: - Infusions of bevacizumab through a vein once every 2 weeks in 4-week treatment cycles. - Positron emission tomography (PET) scan before the first dose of bevacizumab, at the end of the first treatment cycle, and as needed after that. - Magnetic resonance imaging (MRI) scan before the first dose of bevacizumab, within 48-96 hours after the first dose of bevacizumab in the first treatment cycle, and then every 4 weeks. One tube of blood for research is collected at the time of each MRI scan to look at specific cells. - Physical and neurological examinations every 2 weeks for the first treatment cycle and then every 4 weeks. - Quality-of-life questionnaires every 4 weeks.