IP Library Granted Patent US 11,793,765
Granted Patent B2
US 11,793,765 · App. 16/494,804 · Granted Oct 24, 2023

Vaginal films

Inventor: Lisa Cencia Rohan (Pittsburgh, PA)
Assignee: UNIVERSITY OF PITTSBURGH—OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
A61K9/7007A61K9/0031A61K9/0034A61K31/505A61K31/675A61K47/10A61K47/38A61P31/18
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Quick Facts
Patent No.
US 11,793,765
App. No.
16/494,804
Granted
Oct 24, 2023
Kind
B2
Abstract

Provided herein are stable, dissolvable films containing active ingredients, such as antimicrobial composition, antiviral compositions, or anti-retroviral compositions for intravaginal or intrarectal placement to provide prophylaxis against viral infections.

Claims (11)

1. A dissolvable film comprising 6% wt. hydroxyethyl cellulose, 6% wt. hydroxypropyl methyl cellulose, and 2% carboxymethyl cellulose, a plasticizer, and 2% wt. of a nucleoside reverse transcriptase inhibitor.

2. The dissolvable film of claim 1 , wherein the nucleoside reverse transcriptase inhibitor comprises tenofovir or a pharmaceutically-acceptable salt thereof.

3. The dissolvable film of claim 2 , further comprising dipivefrine or a pharmaceutically-acceptable salt thereof.

4. The dissolvable film of claim 1 , wherein the carboxymethyl cellulose is sodium carboxymethyl cellulose.

5. The dissolvable film of claim 1 , wherein the plasticizer comprises 2% wt. glycerin.

6. This dissolvable film of claim 1 , wherein the nucleoside reverse transcriptase inhibitor is tenofovir.

7. The dissolvable film of claim 6 , wherein the tenofovir is tenofovir disoproxil.

8. The dissolvable film of claim 6 , wherein the film further comprises dapivirine.

9. The dissolvable film of claim 1 , wherein the film further comprises 0.28% wt. sodium hydroxide.

10. A dissolvable film formed from an aqueous solution comprising 6% wt. hydroxyethyl cellulose, 6% wt. hydroxypropyl methyl cellulose, 2% wt. carboxymethyl cellulose, 2% wt. glycerin, and 2% wt. tenofovir.

11. The dissolvable film of claim 5 , wherein the film comprises 6% wt. hydroxyethyl cellulose, 6% wt. hydroxypropyl methyl cellulose, 2% wt. carboxymethyl cellulose, 2% wt. glycerin, and 2% wt. tenofovir, and further comprises 0.28% wt. sodium hydroxide.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 11, 2023
From: ROHAN, LISA CENCIA
To: UNIVERSITY OF PITTSBURGH - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
Reel/Frame 064855/0753 →
Continuity (3)
Provisional Application 62573437 · Oct 17, 2017
Provisional Application 62477164 · Mar 27, 2017
Related Publication 20200253885A1 · Aug 13, 2020
Cited By (1)
US 12,453,707