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PURPOSE To conduct a controlled trial of bevacizumab for the treatment of symptomatic radiation necrosis of the brain. METHODS AND MATERIALS A total of 14 patients were entered into a placebo-controlled randomized double-blind study of bevacizumab for the treatment of central nervous system radiation necrosis. All patients were required to have(More)
OBJECTIVE To determine characteristics of brain morphology in children and adolescents with neurofibromatosis type 1 and relate these characteristics to neuropsychological functioning. BACKGROUND Neurofibromatosis type 1 is associated with numerous CNS abnormalities and cognitive impairment. Abnormal high signal intensity visible on brain MRI, brain(More)
BACKGROUND Infection with the varicella-zoster virus during pregnancy can produce an embryopathy characterized by limb hypoplasia, eye and brain damage, and skin lesions. The risk is greatest when infection occurs during the first 20 weeks of pregnancy, but the magnitude of the risk is uncertain. METHODS We studied 106 women with clinically diagnosed(More)
PURPOSE AMG 386 is an investigational peptide-Fc fusion protein (ie, peptibody) that inhibits angiogenesis by preventing the interaction of angiopoietin-1 and angiopoietin-2 with their receptor, Tie2. This first-in-human study evaluated the safety, pharmacokinetics (PK), pharmacodynamics, and antitumor activity of AMG 386 in adults with advanced solid(More)
PURPOSE Identifying suitable markers of biologic activity is important when assessing novel compounds such as angiogenesis inhibitors to optimize the dose and schedule of therapy. Here we present the pharmacodynamic response to acute dosing of AG-013736 measured by dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI). PATIENTS AND METHODS(More)
BACKGROUND Disruptions in cognitive function have been described in the constellation of symptoms associated with "asymptomatic" primary hyperparathyroidism (PHPT). The aim of this study was to determine the impact of parathyroidectomy (PTX) on brain function and sleep in "asymptomatic" PHPT patients. METHODS We conducted a prospective, randomized trial(More)
Neurofibromatosis-1 is a common autosomal-dominant genetic disorder associated with numerous physical anomalies and an increased incidence of attention-deficit hyperactivity disorder (ADHD). Studies of children with idiopathic ADHD have suggested a link between corpus callosum size and symptom severity. This study examines the contribution of corpus(More)
Purpose. To evaluate the biologic effects of SU6668 in patients with solid tumors using comprehensive measures of pharmacokinetics (PK), functional imaging, and tissue correlative studies. Experimental design. Eligible patients with tumors accessible for core needle biopsy were treated with SU6668 at doses of 200 or 400 mg/m2/day. Functional computed(More)
Over the past few years, cardiovascular magnetic resonance (CMR) imaging has rapidly developed and is now a robust clinical tool capable of providing high-resolution images of the heart in any desired plane. Delayed contrast-enhanced CMR (DE-CMR) can be used for non-invasive tissue characterization, with differing patterns of hyperenhancement displayed by(More)