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Last Updated: April 19, 2024

Claims for Patent: 8,017,592


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Summary for Patent: 8,017,592
Title:RNAi-mediated inhibition of histamine receptor H1-related conditions
Abstract: RNA interference is provided for inhibition of histamine receptor H1 mRNA expression, in particular, for treating patients having an HRH1-related condition or at risk of developing an HRH1-related condition such as allergic conjunctivitis, ocular inflammation, dermatitis, rhinitis, asthma, or allergy.
Inventor(s): Yanni; John M. (Burleson, TX), Chatterton; Jon E. (Fort Worth, TX), Gamache; Daniel A. (Arlington, TX), Miller; Steven T. (Arlington, TX)
Assignee: Alcon Research, Ltd. (Fort Worth, TX)
Application Number:12/296,565
Patent Claims:1. A method of attenuating expression of histamine receptor H1 mRNA of a subject, comprising: administering to the subject a composition comprising an effective amount of interfering RNA having a length of 19 to 49 nucleotides and a pharmaceutically acceptable carrier, the interfering RNA comprising an RNA selected from the group consisting of: a region of at least 13 contiguous nucleotides having at least 90% sequence complementarity to, or at least 90% sequence identity with, the penultimate 13 nucleotides of the 3' end of an mRNA corresponding to SEQ ID NO: 14; a region of at least 14 contiguous nucleotides having at least 85% sequence complementarity to, or at least 85% sequence identity with, the penultimate 14 nucleotides of the 3' end of an mRNA corresponding to SEQ ID NO: 14; and, a region of at least 15, 16, 17, or 18 contiguous nucleotides having at least 80% sequence complementarity to, or at least 80% sequence identity with, the penultimate 15, 16, 17, or 18 nucleotides, respectively, of the 3' end of an mRNA corresponding to SEQ ID NO: 14, wherein the expression of histamine receptor H1 mRNA is attenuated thereby.

2. The method of claim 1, wherein the composition further comprises a second interfering RNA having a length of 19 to 49 nucleotides and comprising a region of at least 13 contiguous nucleotides having at least 90% sequence complementarity to, or at least 90% sequence identity with, the penultimate 13 nucleotides of the 3' end of a second mRNA corresponding to any one of SEQ ID NO:2 and SEQ ID NO:13-SEQ ID NO:50.

3. The method of claim 1 or 2, wherein the interfering RNA is an shRNA.

4. The method of claim 1, wherein the composition is administered via an aerosol, buccal, dermal, intradermal, inhaling, intramuscular, intranasal, intraocular, intrapulmonary, intravenous, intraperitoneal, nasal, ocular, oral, otic, parenteral, patch, subcutaneous, sublingual, topical, or transdermal route.

5. The method of claim 1, wherein the interfering RNA is administered via in vivo expression from an expression vector capable of expressing the interfering RNA.

6. The method of claim 1, wherein the interfering RNA is an siRNA.

7. A method of treating an HRH1-related condition in a subject in need thereof, comprising: administering to the subject a composition comprising an effective amount of interfering RNA having a length of 19 to 49 nucleotides, and a pharmaceutically acceptable carrier, wherein the interfering RNA comprises a region of at least 13 contiguous nucleotides having at least 90% sequence complementarity to, or at least 90% sequence identity with, the penultimate 13 nucleotides of the 3' end of an mRNA corresponding to SEQ ID NO: 14; a region of at least 14 contiguous nucleotides having at least 85% sequence complementarity to, or at least 85% sequence identity with, the penultimate 14 nucleotides of the 3' end of an mRNA corresponding to SEQ ID NO: 14; or, a region of at least 15, 16, 17, or 18 contiguous nucleotides having at least 80% sequence complementarity to, or at least 80% sequence identity with, the penultimate 15, 16, 17, or 18 nucleotides, respectively, of the 3' end of an mRNA corresponding to SEQ ID NO: 14, wherein the an HRH1-related condition is treated thereby.

8. The method of claim 7, wherein the composition further comprises a second interfering RNA having a length of 19 to 49 nucleotides and comprising a region of at least 13 contiguous nucleotides having at least 90% sequence complementarity to, or at least 90% sequence identity with, the penultimate 13 nucleotides of the 3' end of a second mRNA corresponding to any one of SEQ ID NO:2 and SEQ ID NO:13-SEQ ID NO:50.

9. The method of claim 7 or 8, wherein the interfering RNA is an shRNA.

10. The method of claim 7, wherein the composition is administered via an aerosol, buccal, dermal, intradermal, inhaling, intramuscular, intranasal, intraocular, intrapulmonary, intravenous, intraperitoneal, nasal, ocular, oral, otic, parenteral, patch, subcutaneous, sublingual, topical, or transdermal route.

11. The method of claim 7, wherein the interfering RNA is administered via in vivo expression from an expression vector capable of expressing the interfering RNA.

12. The method of claim 7, wherein the interfering RNA is an siRNA.

13. The method of claim 7, wherein the subject is a human and the human has an HRH1-related condition or is at risk of developing an HRH1-related condition.

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