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Journal of Child Neurology
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Convection-Enhanced Delivery for the Treatment of Pediatric Neurologic Disorders

Debbie K. Song, MD

Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, Department of Neurological Surgery, University of Michigan, Ann Arbor, Michigan

Russell R. Lonser, MD

Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland, lonserr{at}ninds.nih.gov

Direct perfusion of specific regions of the central nervous system by convection-enhanced delivery is becoming more widely used for the delivery of compounds in the research and treatment of various neural disorders. In contrast to other currently available central nervous system delivery techniques, convection-enhanced delivery relies on bulk flow for distribution of solute. This allows for safe, targeted, reliable, and homogeneous delivery of small—molecular-weight and large—molecular-weight substances over clinically relevant volumes in a manner that bypasses the blood-central nervous system barrier. Recent studies have also shown that coinfused imaging surrogate tracers can be used to monitor and control the convective distribution of therapeutic agents in vivo. The unique features of convection-enhanced delivery, including the ability to monitor distribution in realtime, provide an opportunity to develop new research and treatment paradigms for pediatric patients with a variety of intrinsic central nervous system disorders.

Key Words: blood—brain barrier • central nervous system • convection-enhanced delivery • drug delivery

Journal of Child Neurology, Vol. 23, No. 10, 1231-1237 (2008)
DOI: 10.1177/0883073808321064
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