Claims for Patent: 9,642,797
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Summary for Patent: 9,642,797
| Title: | Sublingual fentanyl spray and methods of use to treat pain |
| Abstract: | The present invention is directed to sublingual formulations containing fentanyl, a pharmaceutically acceptable salt thereof, or derivative thereof, suitable for administration to a patient, and methods for treatment with the formulations. |
| Inventor(s): | Kottayil; S. George (Long Grove, IL), Goskonda; Venkat R. (Phoenix, AZ), Zhu; Zhongyuan (Vernon Hills, IL), Kattookaran; Linet (Mount Prospect, IL), Parikh; Neha (Chicago, IL) |
| Assignee: | INSYS DEVELOPMENT COMPANY, INC. (Chandler, AZ) |
| Application Number: | 15/042,999 |
| Patent Litigation and PTAB cases: | See patent lawsuits and PTAB cases for patent 9,642,797 |
| Patent Claims: |
1. A sublingual formulation comprising from about 0.1% to about 0.9% by weight fentanyl, a free base or a pharmaceutically acceptable salt thereof, or a derivative thereof,
from about 20% to about 60% by weight ethanol and from about 4% to about 6% by weight propylene glycol.
2. The composition of claim 1, wherein ethanol is at a concentration from about 50% to about 60%. 3. A method of treating pain comprising administering an effective amount of the formulation of claim 1. 4. The method of claim 3, wherein the pain is breakthrough pain. |
