TRANSDERMAL DELIVERY OF HIGH VISCOSITY BIOACTIVE AGENTS

A device and method for delivery of a bioactive agent across a dermal barrier of a subject. The device including a microneedle with a channel and a plurality of nanostructures and microstructures located on the microneedle. The nanostructures and microstructures are arranged in a fractal-like patter...

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Bibliographische Detailangaben
1. Verfasser:	Ross, Russell F
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	A device and method for delivery of a bioactive agent across a dermal barrier of a subject. The device including a microneedle with a channel and a plurality of nanostructures and microstructures located on the microneedle. The nanostructures and microstructures are arranged in a fractal-like pattern. A reservoir is in fluid communication with the channel and contains a composition having a viscosity of greater than about 5 centipoise and comprising a bioactive agent. The method includes penetrating a stratum corneum of the subject with the microneedle and transporting a composition through the microneedle at a rate of greater than about 0.4 mg/hr/cm2 based upon the surface area of the microneedle.