David Barba

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BACKGROUND Nerve growth factor (NGF) is an endogenous neurotrophic-factor protein with the potential to restore function and to protect degenerating cholinergic neurons in Alzheimer's disease (AD), but safe and effective delivery has proved unsuccessful. METHODS Gene transfer, combined with stereotactic surgery, offers a potential means to solve the(More)
IMPORTANCE Alzheimer disease (AD) is the most common neurodegenerative disorder and lacks effective disease-modifying therapies. In 2001, we initiated a clinical trial of nerve growth factor (NGF) gene therapy in AD, the first effort at gene delivery in an adult neurodegenerative disorder. This program aimed to determine whether a nervous system growth(More)
PREFACE Data at far-infrared wavelengths are difficult to obtain and usually have much lower spatial resolution than data which are routinely obtained at other wavelengths. However, the many astrophysical problems that can only be well addressed in the far-infrared have inspired efforts to extract high spatial resolution information from instruments(More)
Gene therapy has many potential applications in central nervous system (CNS) disorders, including the selective killing of tumor cells in the brain. A rat brain tumor model was used to test the herpes simplex virus (HSV)-thymidine kinase (TK) gene for its ability to selectively kill C6 and 9L tumor cells in the brain following systemic administration of the(More)
OBJECTIVES The study aims to describe an ultrasound (US)-guided peripheral nerve stimulation implant technique and describe the effect of high-frequency peripheral nerve stimulation on refractory postherpetic neuralgia. MATERIALS AND METHODS Following a cadaver pilot trial using US and confirmatory fluoroscopic guidance, a 52-year-old man with refractory(More)
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