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Last Updated: May 7, 2024

Claims for Patent: 11,369,566

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Summary for Patent: 11,369,566

Title:	Controlled release antimicrobial compositions and methods for the treatment of otic disorders
Abstract:	Disclosed herein are compositions and methods for the treatment of otic diseases or conditions with antimicrobial agent compositions and formulations administered locally to an individual afflicted with an otic disease or condition, through direct application of these compositions and formulations onto or via perfusion into the targeted auris structure(s).
Inventor(s):	Lichter; Jay (Rancho Santa Fe, CA), Trammel; Andrew M. (Olathe, KS), Piu; Fabrice (San Diego, CA), Ye; Qiang (San Diego, CA), Dellamary; Luis A. (San Marcos, CA), Lebel; Carl (Malibu, CA), Harris; Jeffrey P. (La Jolla, CA)
Assignee:	ALK-ABELLO, INC. (Bedminster, NJ) THE REGENTS OF THE UNIVERSITY OF CALIFORNIA (Oakland, CA)
Application Number:	15/710,727
Patent Claims:	1. An otic pharmaceutical composition for use in the treatment of an otic disease or condition, comprising an auris acceptable hydrogel and a micronized and non-microencapsulated antimicrobial agent, wherein the composition is free of corticosteroid, wherein the composition is free of preservative, and wherein the composition provides sustained release of the antimicrobial agent into the ear for a period of at least 5 days, and wherein the antimicrobial agent is an antibiotic selected from a sulfonamide, a penicillin, a quinolone, a cephalosporin, or a macrolide antibiotic. 2. The composition of claim 1, wherein the composition is injectable with a needle having a gauge in the range of 18-31. 3. The composition of claim 1, wherein the composition has a viscosity between about 15,000 cP and about 1,000,000 cP. 4. The composition of claim 1, wherein the composition has a pH of about 7.0 to about 8.0. 5. The composition of claim 1, wherein the antibiotic is a quinolone selected from ciprofloxacin, enoxacin, gatifloxacin, levofloxacin, lomefloxacin, moxifloxacin, norfloxacin, ofloxacin, trovafloxacin, grepafloxacin, sparfloxacin, AL-15469A, and AL-38905. 6. The composition of claim 1, wherein the otic disease or condition is otitis media. 7. The composition of claim 1, wherein the otic disease or condition is otitis media with effusion. 8. The composition of claim 1, wherein the otic disease or condition is swimmer's ear. 9. The composition of claim 1, wherein the antibiotic is ciprofloxacin.

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