IP Library Granted Patent US 12,203,074
Granted Patent B2
US 12,203,074 · App. 17/059,815 · Granted Jan 21, 2025

Compositions and methods for treatment of dominant retinitis pigmentosa

Inventors: Alfred S. Lewin (Gainesville, FL); William W. Hauswirth (Gainesville, FL); Michael T. Massengill (Gainesville, FL); William Beltran (Wynnewood, PA); Gustavo D. Aguirre (Media, PA); Artur Cideciyan (Lafayette Hill, PA); Samuel Jacobson (Penn Valley, PA)
Assignees: University of Florida Research Foundation, Incorporated; The Trustees of the University of Pennsylvania
C12N15/1138C12N15/86C12N2310/121C12N2310/122C12N2310/14C12N2320/32C12N2750/14142C12N2750/14143
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Quick Facts
Patent No.
US 12,203,074
App. No.
17/059,815
Granted
Jan 21, 2025
Kind
B2
Abstract

Aspects of the disclosure relate to methods and compositions useful for treating retinitis pigmentosa. In some aspects, the disclosure provides compositions and methods for delivering an interfering RNA to a subject in order to reduce expression of one or both alleles of an endogenous RHO gene (for example a mutant rho allele associated with retinitis pigmentosa) in a subject. In some embodiments, a replacement RHO coding sequence that is resistant to the interfering RNA also is delivered to the subject.

Claims (20)

1. A short hairpin RNA (shRNA) comprising the nucleotide sequence: GUGGCAUUCUACAUCUUCAUUCAAGAGAUGAAGAUGUAGAAUGCCAC (SEQ ID NO: 4).

2. A vector encoding the shRNA of claim 1 .

3. The vector of claim 2 , further comprising a recombinant rhodopsin (RHO) coding sequence that does not contain a sequence targeted by the shRNA.

4. The vector of claim 3 , wherein the recombinant RHO coding sequence is codon-optimized for expression in a human cell.

5. The vector of claim 3 , wherein the recombinant RHO coding sequence comprises a nucleotide sequence that is at least 95% identical to the nucleotide sequence of SEQ ID NO: 5.

6. The vector of claim 5 , wherein the recombinant RHO coding sequence comprises the nucleotide sequence of SEQ ID NO: 5.

7. The vector of claim 3 , further comprising an opsin proximal promoter.

8. The vector of claim 7 , wherein the opsin proximal promoter comprises the nucleotide sequence of SEQ ID NO: 7.

9. The vector of claim 2 , wherein the vector is a plasmid.

10. The vector of claim 2 , wherein the vector is a recombinant adeno-associated viral (rAAV) vector.

11. The vector of claim 10 , wherein the rAAV vector is self-complementary.

12. The vector of claim 2 , further comprising an H1 RNA promoter.

13. The vector of claim 12 , wherein the H1 RNA promoter comprises the nucleotide sequence of SEQ ID NO: 8.

14. A recombinant adeno-associated viral (rAAV) particle comprising the rAAV vector of claim 10 .

15. A composition comprising the rAAV particle of claim 14 and a pharmaceutically acceptable carrier.

16. A method of modulating RHO expression in a subject, the method comprising administering subretinally to the subject the composition of claim 15 .

17. A method of treating retinitis pigmentosa in a subject, the method comprising administering subretinally to the subject the composition of claim 15 .

18. The method of claim 17 , wherein the subject is a human subject.

19. A vector comprising a nucleotide sequence that is at least 90% identical to the nucleotide sequence of SEQ ID NO: 6.

20. The vector of claim 19 , wherein the vector comprises the nucleotide sequence of SEQ ID NO: 6.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Jul 17, 2023
From: HERCULES CAPITAL, INC.
To: IVERIC BIO, INC.; IVERIC BIO GENE THERAPY LLC; ORION OPHTHALMOLOGY LLC
Reel/Frame 064286/0472 →
SECURITY INTEREST Recorded Aug 5, 2022
From: IVERIC BIO, INC.
To: HERCULES CAPITAL, INC.
Reel/Frame 061088/0048 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2021
From: BELTRAN, WILLIAM; AGUIRRE, GUSTAVO D.; JACOBSON, SAMUEL; CIDECIYAN, ARTUR
To: THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIA
Reel/Frame 055652/0633 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 5, 2021
From: LEWIN, ALFRED S.; HAUSWIRTH, WILLIAM W.; MASSENGILL, MICHAEL T.
To: UNIVERSITY OF FLORIDA RESEARCH FOUNDATION, INCORPORATED
Reel/Frame 055509/0726 →
Continuity (3)
Provisional Application 62809539 · Feb 22, 2019
Provisional Application 62679585 · Jun 1, 2018
Related Publication 20210207147A1 · Jul 8, 2021
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