Jacob C. Easaw

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We examined modulation of ionic currents by Zn2+ in acutely dissociated neurons from the rat's horizontal limb of the diagonal band of Broca using the whole-cell patch-clamp technique. Application of 50 microM Zn2+ increased the peak amplitude of the transiently activated potassium current, I(A) (at + 30 mV), from 2.20+/-0.08 to 2.57+/-0.11 nA (n = 27).(More)
PURPOSE Concomitant temozolomide (TMZ)/radiotherapy followed by adjuvant TMZ has increased survival in patients with glioblastoma multiforme (GBM). However, few options are effective for patients who experience treatment failure. We conducted a multicenter, phase II study to assess the efficacy and safety of continuous dose-intense TMZ for recurrent GBM.(More)
Introduction Elderly patients have glioblastomas (GBM) that are aggressive and poorly responsive to treatment. They are also prone to the side effects of treatment of GBM. Methods To shed light on the treatment of elderly patients with GBM, we reviewed the treatment toxicities and survival of patients 65 years of age or older who were treated with(More)
INTRODUCTION Chemoradiotherapy followed by monthly temozolomide (TMZ) is the standard of care for patients with glioblastoma multiforme (GBM). Case reports have identified GBM patients who experienced transient radiological deterioration after concurrent chemoradiotherapy which stabilized or resolved after additional cycles of adjuvant TMZ, a phenomenon(More)
Recommendation 1: Multidisciplinary ApproachTo optimize treatment outcomes, the management of patients with recurrent glioblastoma should be individualized and should involve a multidisciplinary team approach, including neurosurgery, neuropathology, radiation oncology, neuro-oncology, and allied health professions.Recommendation 2: ImagingThe standard(More)
BACKGROUND To evaluate the safety and efficacy of pre-operative chemoradiation, using capecitabine, oxaliplatin and bevacizumab with standard doses of radiation, in patients with high-risk rectal cancer. METHODS Patients with locally advanced or low rectal cancer were treated with capecitabine 825 mg/m(2) twice daily on days 1-14 and 22-35, oxaliplatin(More)
Although right ventricular (RV) failure is the main cause of death in patients with pulmonary arterial hypertension (PAH), there is insufficient data about the effects of PAH treatment on RV geometry and function mainly because the RV assessment has been hampered by its complex crescentic shape, large infundibulum, and its trabecular nature.(More)
The deposition of amyloid beta-protein (Abeta) in the brain and the loss of cholinergic neurons in the basal forebrain are two pathological hallmarks of Alzheimer's disease (AD). Although the mechanism of Abeta neurotoxicity is unknown, these cholinergic neurons display a selective vulnerability when exposed to this peptide. In this study, application of(More)
BACKGROUND Glioblastoma (GBM) is the most aggressive malignancy of the central nervous system in adults. Increased activity of the phosphatidylinositol-3-OH kinase (PI3K) signal transduction pathway is common. We performed a phase II study using PX-866, an oral PI3K inhibitor, in participants with recurrent GBM. METHODS Patients with histologically(More)
Epigenetic silencing of the MGMT gene through promoter methylation correlates with improved survival in Glioblastoma Multiforme (GBM) patients receiving concurrent chemoradiotherapy. Although the clinical benefit is primarily seen in patients with methylated MGMT promoter, some unmethylated patients also respond to Temozolomide. One possible explanation may(More)