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Last Updated: June 6, 2024

Claims for Patent: 10,781,450


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Summary for Patent: 10,781,450
Title:Antisense molecules and methods for treating pathologies
Abstract: An antisense molecule capable of binding to a selected target site to induce exon skipping in the dystrophin gene, as set forth in SEQ ID NO: 1 to 59.
Inventor(s): Wilton; Stephen Donald (Applecross, AU), Fletcher; Sue (Bayswater, AU), Adams; Abbie (Kalamunda, AU), Meloni; Penny (Mount Hawthorn, AU)
Assignee: Sarepta Therapeutics, Inc. (Cambridge, MA)
Application Number:16/357,918
Patent Claims: 1. A method for restoring an mRNA reading frame to induce dystrophin protein production in a patient with Duchenne muscular dystrophy (DMD) in need thereof who has a mutation of the DMD gene that is amenable to exon 45 skipping, comprising administering to the patient an antisense oligonucleotide of 22 bases in length, wherein the antisense oligonucleotide is 100% complementary to a target region of exon 45 of the human dystrophin pre-mRNA, wherein the target region is annealing site H45A(-03+19), wherein the antisense oligonucleotide is a morpholino antisense oligonucleotide, and wherein the antisense oligonucleotide specifically hybridizes to the annealing site inducing exon 45 skipping, or a pharmaceutically acceptable salt thereof, thereby restoring the mRNA reading frame to induce dystrophin protein production in the patient.

2. The method of claim 1, wherein the antisense oligonucleotide or pharmaceutically acceptable salt thereof is chemically linked to one or more moieties or conjugates that enhance the activity, cellular distribution or cellular uptake of the oligonucleotide.

3. The method of claim 1, wherein the antisense oligonucleotide or pharmaceutically acceptable salt thereof is chemically linked to a polyethylene glycol chain.

4. A method for restoring an mRNA reading frame to induce dystrophin protein production in a patient with Duchenne muscular dystrophy (DMD) in need thereof who has a mutation of the DMD gene that is amenable to exon 45 skipping, comprising administering to the patient an antisense oligonucleotide of 22 bases in length, wherein the antisense oligonucleotide is 100% complementary to a target region of exon 45 of the human dystrophin pre-mRNA, wherein the target region is annealing site H45A(-03+19), wherein the antisense oligonucleotide is a morpholino antisense oligonucleotide, and wherein the antisense oligonucleotide specifically hybridizes to the annealing site inducing exon 45 skipping, thereby restoring the mRNA reading frame to induce dystrophin protein production in the patient.

5. The method of claim 4, wherein the antisense oligonucleotide is chemically linked to one or more moieties or conjugates that enhance the activity, cellular distribution or cellular uptake of the oligonucleotide.

6. The method of claim 4, wherein the antisense oligonucleotide is chemically linked to a polyethylene glycol chain.

7. A method for restoring an mRNA reading frame to induce dystrophin protein production in a patient with Duchenne muscular dystrophy (DMD) in need thereof who has a mutation of the DMD gene that is amenable to exon 45 skipping, comprising administering to the patient a pharmaceutical composition comprising (i) an antisense oligonucleotide of 22 bases in length, wherein the antisense oligonucleotide is 100% complementary to a target region of exon 45 of the human dystrophin pre-mRNA, wherein the target region is annealing site H45A(-03+19), wherein the antisense oligonucleotide is a morpholino antisense oligonucleotide, and wherein the antisense oligonucleotide specifically hybridizes to the annealing site inducing exon 45 skipping, or a pharmaceutically acceptable salt thereof, and (ii) a pharmaceutically acceptable carrier, thereby restoring the mRNA reading frame to induce dystrophin protein production in the patient.

8. The method of claim 7, wherein the antisense oligonucleotide or pharmaceutically acceptable salt thereof is chemically linked to one or more moieties or conjugates that enhance the activity, cellular distribution or cellular uptake of the oligonucleotide.

9. The method of claim 7, wherein the antisense oligonucleotide or pharmaceutically acceptable salt thereof is chemically linked to a polyethylene glycol chain.

10. A method for restoring an mRNA reading frame to induce dystrophin protein production in a patient with Duchenne muscular dystrophy (DMD) in need thereof who has a mutation of the DMD gene that is amenable to exon 45 skipping, comprising administering to the patient a pharmaceutical composition comprising (i) an antisense oligonucleotide of 22 bases in length, wherein the antisense oligonucleotide is 100% complementary to a target region of exon 45 of the human dystrophin pre-mRNA, wherein the target region is annealing site H45A(-03+19), wherein the antisense oligonucleotide is a morpholino antisense oligonucleotide, and wherein the antisense oligonucleotide specifically hybridizes to the annealing site inducing exon 45 skipping, and (ii) a pharmaceutically acceptable carrier, thereby restoring the mRNA reading frame to induce dystrophin protein production in the patient.

11. The method of claim 10, wherein the antisense oligonucleotide is chemically linked to one or more moieties or conjugates that enhance the activity, cellular distribution or cellular uptake of the oligonucleotide.

12. The method of claim 10, wherein the antisense oligonucleotide is chemically linked to a polyethylene glycol chain.

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