| Literature DB >> 23146430 |
Xiaojuan Khoo1, Emmanuel J Simons, Homer H Chiang, Julia M Hickey, Vishakha Sabharwal, Stephen I Pelton, John J Rosowski, Robert Langer, Daniel S Kohane.
Abstract
We have developed a drug delivery system for prolonged trans-tympanic antibiotic delivery from a single dose administration. Increased permeability to ciprofloxacin of the intact tympanic membrane (TM) was achieved by chemical permeation enhancers (CPEs--bupivacaine, limonene, sodium dodecyl sulfate); this was also seen by CPEs contained within a hydrogel (poloxamer 407) to maintain the formulation at the TM. The CPE-hydrogel formulation had minimal effects on auditory thresholds and tissue response in vivo. CPE-hydrogel formulations have potential for ototopical delivery of ciprofloxacin for the treatment of acute otitis media (AOM) and other middle ear diseases.Entities:
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Year: 2012 PMID: 23146430 PMCID: PMC3511665 DOI: 10.1016/j.biomaterials.2012.10.025
Source DB: PubMed Journal: Biomaterials ISSN: 0142-9612 Impact factor: 12.479