At a glance
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A Randomized Phase II Trial of Vandetanib (ZD6474) in Combination With Carboplatin Versus Carboplatin Alone Followed by Vandetanib Alone in Adults With Recurrent High-Grade Gliomas
In Brief
A Phase 2 clinical trial evaluating ZD6474 (Vandetanib) and Carboplatin for Glioblastoma Multiforme and 4 related conditions. Completed, enrolled 112 participants across 1 site.
Detailed Summary
Background: * Growth of new blood vessels (angiogenesis) provides many tumors, including brain tumors, with needed nutrients and oxygen for cancer cells to survive. One possible treatment for different kinds of cancer involves treatment with drugs that slow or stop angiogenesis and prevent further tumor growth. * Vandetanib is an oral medication known to block angiogenesis and has shown significant antitumor activity in laboratory and animal studies. Vandetanib appears to be well tolerated by patients at specific daily doses. * Carboplatin is a drug that interrupts division of cancer cells and has been shown to be a useful drug in treatment of tumors known as gliomas. It is a useful drug for treating brain tumors, but researchers are interested in gathering more information about how it works as a treatment for patients who have not responded to initial surgery, radiation, or chemotherapy. Objective: \- To determine the safety and effectiveness of vandetanib and carboplatin, given together or sequentially, against recurrent high-grade gliomas. Eligibility: \- Adults diagnosed with a malignant glioma who have received standard treatments that no longer appear to be effective. Design: * Patients will be assigned to one of two groups. Group 1 patients (combination group) will receive oral vandetanib for 28 days and intravenous (IV) carboplatin (once at the beginning of the 28-day cycle). Group 2 patients (sequential group) will receive IV carboplatin alone (once at the beginning of the 28-day cycle) and then oral vandetanib (300 mg daily) for 28 days if the tumor grows or the patient develops unacceptable carboplatin toxicity. * Treatment will continue in 28-day cycles for 1 year for both groups. * Patients will undergo a number of tests and procedures during the treatment cycle, including physical examinations, routine laboratory tests, electrocardiograms, and magnetic resonance imaging (MRI) scans * At the end of 1 year of treatment, patients will be reevaluated for possible continuation of drug therapy.
Study Details
Timeline
Interventions
Vandetanib is an oral medication known to block angiogenesis and has shown significant antitumor activity in laboratory and animal studies. Vandetanib appears to be well tolerated by patients at specific daily doses.
Carboplatin is a drug that interrupts division of cancer cells and has been shown to be a useful drug in treatment of tumors known as gliomas. It is a useful drug for treating brain tumors, but researchers are interested in gathering more information about how it works as a treatment for patients who have not responded to initial surgery, radiation, or chemotherapy.