Spots Global Cancer Trial Database for Glyburide vs Placebo as Prophylaxis Against Cerebral Edema in Patients Receiving Radiosurgery for Brain Metastases (RAD 1502/UAB 1593)

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Trial Identification

Brief Title: Glyburide vs Placebo as Prophylaxis Against Cerebral Edema in Patients Receiving Radiosurgery for Brain Metastases (RAD 1502/UAB 1593)

Official Title: A Pilot Study and Phase II Double Blind Placebo Controlled Randomized Trial Examining the Safety and Efficacy of Glyburide as Prophylaxis Against Cerebral Edema in Patients Receiving Radiosurgery for Brain Metastases

Study ID: NCT02460874

Conditions

Cerebral Edema

Brain Metastases

Interventions

Glyburide

Placebo

Study Description

Brief Summary: Primary Objectives: Pilot Portion: To determine the feasibility and safety of administering oral glyburide to non-diabetic patients receiving stereotactic radiosurgery (SRS) for newly diagnosed brain metastases. Randomized Portion: To determine the number of patients with newly diagnosed brain metastases who have an increase in edema as measured on volumetric FLAIR imaging and the number of patients that require dexamethasone administration (or any corticosteroid administration with the purpose of treating cerebral edema) from the day of SRS to one month follow-up MRI in the group receiving glyburide versus placebo.

Detailed Description: Many patients with cancer that has spread to the brain have side effects caused by swelling around the tumors. A common treatment for this swelling is a medicine called dexamethasone. Dexamethasone is a steroid. Long-term use of steroids has several known side effects. Recent studies have shown that a drug commonly used in to control high blood sugar in diabetes, called glyburide, can decrease brain swelling in patients with brain damage or stroke. Animal studies have shown that this drug may also reduce swelling from tumors in the brain. Researchers are interested in whether glyburide could treat brain swelling as well as dexamethasone with fewer side effects. This study is being done to see whether glyburide is safe to be used in patients without diabetes in combination with receiving SRS for brain metastases. This study will also find out if glyburide will decrease brain swelling in patients that get radiosurgery (SRS) for brain metastases. This study will also find out if taking glyburide will decrease the chance of needing steroids due to brain swelling that is causing symptoms. It is not yet known, but it is the investigators' hope that glyburide will both decrease brain swelling and lessen the chance of needing steroids.