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Last Updated: October 18, 2019

DrugPatentWatch Database Preview

Details for Patent: 8,101,582

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Which drugs does patent 8,101,582 protect, and when does it expire?

Patent 8,101,582 protects TOBRADEX ST and is included in one NDA.

Summary for Patent: 8,101,582
Title:Topical ophthalmic compositions containing tobramycin and dexamethasone
Abstract: Ophthalmic pharmaceutical compositions containing tobramycin, dexamethasone and deacetylated xanthan gum are described. The compositions provide longer ocular retention for enhanced ocular bioavailability of tobramycin and dexamethasone. In a preferred embodiment, the compositions also provide for improved suspension of dexamethasone. The concentration of ionizable species in the compositions is controlled so as to prevent precipitation of the xanthan gum as a result of ionic interactions between tobramycin and xanthan gum, while allowing for a restoration of viscosity upon topical application of the compositions to the eye. The use of deacetylated xanthan gum is disclosed, so as to avoid formulation instability caused by pH drift during storage.
Inventor(s): Kabra; Bhagwati P. (Euless, TX)
Assignee: Alcon Research, Ltd. (Fort Worth, TX)
Application Number:12/841,414
Patent Claim Types:
see list of patent claims
Use; Composition;

Drugs Protected by US Patent 8,101,582

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Novartis Pharms Corp TOBRADEX ST dexamethasone; tobramycin SUSPENSION/DROPS;OPHTHALMIC 050818-001 Feb 13, 2009 RX Yes Yes   Start Trial   Start Trial Y USE OF A COMBINATION OF TOBRAMYCIN AND DEXAMETHASONE TO TREAT OCULAR INFLAMMATION WHERE AN INFECTION OR RISK OF INFECTION EXISTS   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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Merck

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