The University of North Carolina at Chapel Hill

Ashley R Johnson

Joseph M DeSimone

Gregory R Robbins

The invention generally relates to microneedle devices, methods of making same, pharmaceutical compositions comprising same, and methods of treating a disease comprising administering same. Specifically, the disclosed microneedle devices comprise a plurality of biocompatible microneedles having one or more of: (i) a curved, discontinuous, undercut, and/or perforated sidewall; (ii) a sidewall comprising a breakable support; and (iii) a cross-section that is non-circular and non-polygonal. The microneedles may also be tiered. Alternatively, the microneedles may be tiered. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

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Coppell, TX, United States of America

Ashley R Johnson