Last Updated: November 8, 2026

Details for Patent: 11,554,229

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Which drugs does patent 11,554,229 protect, and when does it expire?

Patent 11,554,229 protects XHANCE and is included in one NDA.

This patent has forty-three patent family members in seventeen countries.

Summary for Patent: 11,554,229
Title:Nasal administration
Abstract:A method of delivering a substance, such as one or more of a triptan, a nasal steroid or carbon dioxide gas, to the nasal cavity of a subject, in particular for the treatment of headaches, for example, migraine, or rhinosinusitis, for example, chronic rhinosinusitis, optionally with polyps, the method comprising the steps of fitting a nosepiece to one nostril of the subject, delivering the substance through the nosepiece to the posterior region of the nasal cavity of the subject.
Inventor(s):Per Gisle Djupesland, Ramy A. Mahmoud, John Messina
Assignee: Optinose Inc
Application Number:US14/315,132
Patent Claim Types:
see list of patent claims
Use; Delivery;

Drugs Protected by US Patent 11,554,229

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Paratek Pharms XHANCE fluticasone propionate SPRAY, METERED;NASAL 209022-001 Sep 18, 2017 RX Yes Yes ⤷  Start Trial ⤷  Start Trial METHOD OF DELIVERING FLUTICASONE PROPIONATE TO A NASAL AIRWAY ⤷  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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