Patents by Inventor Satya Kuchimanchi
Satya Kuchimanchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230183701Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: ApplicationFiled: December 22, 2022Publication date: June 15, 2023Inventors: Martin MAIER, Don Foster, Stuart Milstein, Satya Kuchimanchi, Vasant Jadhav, Kallanthottathil Rajeev, Muthiah Manoharan, Rubina Parmar
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Publication number: 20230110876Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: ApplicationFiled: September 9, 2022Publication date: April 13, 2023Inventors: Martin MAIER, Don Foster, Stuart Milstein, Satya Kuchimanchi, Vasant Jadhav, Kallanthottathil Rajeev, Muthiah Manoharan, Rubina Parmar
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Patent number: 11549109Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises. at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: GrantFiled: June 23, 2022Date of Patent: January 10, 2023Assignee: Alnylam Pharmaceuticals, Inc.Inventors: Martin Maier, Don Foster, Stuart Milstein, Satya Kuchimanchi, Vasant Jadhav, Kallanthottathil Rajeev, Muthiah Manoharan, Rubina Parmar
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Publication number: 20220389424Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises. at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: ApplicationFiled: June 23, 2022Publication date: December 8, 2022Inventors: Martin MAIER, Don FOSTER, Stuart MILSTEIN, Satya KUCHIMANCHI, Vasant JADHAV, Kallanthottathil RAJEEV, Muthiah MANOHARAN, Rubina PARMAR
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Patent number: 11427822Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: GrantFiled: November 10, 2021Date of Patent: August 30, 2022Assignee: ALNYLAM PHARMACEUTICALS, INC.Inventors: Martin Maier, Don Foster, Stuart Milstein, Satya Kuchimanchi, Vasant Jadhav, Kallanthottathil Rajeev, Muthiah Manoharan, Rubina Parmar
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Patent number: 11401517Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: GrantFiled: November 25, 2019Date of Patent: August 2, 2022Assignee: ALNYLAM PHARMACEUTICALS, INC.Inventors: Martin Maier, Don Foster, Stuart Milstein, Satya Kuchimanchi, Vasant Jadhav, Kallanthottathil Rajeev, Muthiah Manoharan, Rubina Parmar
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Publication number: 20220056448Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: ApplicationFiled: November 10, 2021Publication date: February 24, 2022Inventors: Martin MAIER, Don FOSTER, Stuart MILSTEIN, Satya KUCHIMANCHI, Vasant JADHAV, Kallanthottathil RAJEEV, Muthiah MANOHARAN, Rubina PARMAR
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Publication number: 20220002727Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises. at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: ApplicationFiled: September 20, 2021Publication date: January 6, 2022Inventors: Martin MAIER, Don FOSTER, Stuart MILSTEIN, Satya KUCHIMANCHI, Vasant JADHAV, Kallanthottathil RAJEEV, Muthiah MANOHARAN, Rubina PARMAR
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Publication number: 20210017519Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: ApplicationFiled: November 25, 2019Publication date: January 21, 2021Inventors: Martin MAIER, Don FOSTER, Stuart MILSTEIN, Satya KUCHIMANCHI, Vasant JADHAV, Kallanthottathil RAJEEV, Muthiah MANOHARAN, Rubina PARMAR
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Patent number: 10612024Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: GrantFiled: February 11, 2019Date of Patent: April 7, 2020Assignee: ALNYLAM PHARMACEUTICALS, INC.Inventors: Martin Maier, Don Foster, Stuart Milstein, Satya Kuchimanchi, Vasant Jadhav, Kallanthottathil Rajeev, Muthiah Manoharan, Rubina Parmar
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Patent number: 10612027Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: GrantFiled: April 15, 2019Date of Patent: April 7, 2020Assignee: ALNYLAM PHARMACEUTICALS, INC.Inventors: Martin Maier, Don Foster, Stuart Milstein, Satya Kuchimanchi, Vasant Jadhav, Kallanthottathil Rajeev, Muthiah Manoharan, Rubina Parmar
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Publication number: 20190241891Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: ApplicationFiled: February 11, 2019Publication date: August 8, 2019Inventors: Martin Maier, Don Foster, Stuart Milstein, Satya Kuchimanchi, Vasant Jadhav, Kallanthottathil Rajeev, Muthiah Manoharan, Rubina Parmar
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Publication number: 20190241893Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: ApplicationFiled: April 15, 2019Publication date: August 8, 2019Inventors: Martin MAIER, Don FOSTER, Stuart MILSTEIN, Satya KUCHIMANCHI, Vasant JADHAV, Kallanthottathil RAJEEV, Muthiah MANOHARAN, Rubina PARMAR
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Patent number: 10233448Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: GrantFiled: August 14, 2015Date of Patent: March 19, 2019Assignee: ALNYLAM PHARMACEUTICALS, INC.Inventors: Martin Maier, Don Foster, Stuart Milstein, Satya Kuchimanchi, Vasant Jadhav, Kallanthottathil Rajeev, Muthiah Manoharan, Rubina Parmar
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Publication number: 20170275626Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The sense strand of the dsRNA agent comprises at least one thermally destabilizing nucleotide, and at least one said thermally destabilizing nucleotide occurring at a site opposite to the seed region (positions 2-8) of the antisense strand; and the antisense strand of the dsRNA agent comprises at least two modified nucleotides that provide the nucleotide a steric bulk that is less than or equal to the steric bulk of a 2?-OMe modification, wherein said modified nucleotides are separated by 11 nucleotides in length. Other aspects of the invention relates to pharmaceutical compositions comprising these dsRNA agents suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA agents, e.g., for the treatment of various disease conditions.Type: ApplicationFiled: August 14, 2015Publication date: September 28, 2017Inventors: Martin MAIER, Don FOSTER, Stuart MILSTEIN, Satya KUCHIMANCHI, Vasant JADHAV, Kallanthottathil RAJEEV, Muthiah MANOHARAN, Rubina PARMAR
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Patent number: 8163891Abstract: A process for the preparation of a poly(alkoxylated) oligonucleotide is provided. The process comprises reacting an oligonucleotide which has been purified by ultrafiltration with a poly(alkoxide) thereby to form a poly(alkoxylated) oligonucleotide. The poly(alkoxyalted) oligonucleotide may be separated from non-poly(alkoxyalted) oligonucleotide by ultrafiltration under denaturing conditions, such as the presence of organic solvents, for example, ethanol; the presence of urea; the addition of chaotropic salts, for example perchlorate and guanidinium salts; the presence of formamide; and the application of heat, for example a temperature of up to about 70° C.Type: GrantFiled: November 20, 2006Date of Patent: April 24, 2012Assignee: Avecia Biotechnology IncInventors: Nanda Dulal Sinha, Saied Shaikh, Satya Kuchimanchi
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Patent number: 7872121Abstract: Nitrogen-protecting groups are removed from the exocyclic nucleobase portion of a 2?-O protected nucleotide or 2?-halo nucleotide by contacting the nucleotide with an inorganic base. Typical is the removal of t-butylphenoxyacetyl protecting groups from the nucleobase portion of a 2?-O protected nucleotide on which the 2?-O protecting group is t-butyldimethylsilyl, removal or deprotection being accomplished by contact with a potassium carbonate solution.Type: GrantFiled: April 15, 2005Date of Patent: January 18, 2011Assignee: Avecia Biotechnology, Inc.Inventors: Nanda Dulal Sinha, Satya Kuchimanchi
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Publication number: 20100029924Abstract: A process for the preparation of a poly(alkoxylated) oligonucleotide is provided. The process comprises reacting an oligonucleotide which has been purified by ultrafiltration with a poly(alkoxide) thereby to form a poly(alkoxylated) oligonucleotide. The poly(alkoxyalted) oligonucleotide may be separated from non-poly(alkoxyalted) oligonucleotide by ultrafiltration under denaturing conditions, such as the presence of organic solvents, for example, ethanol; the presence of urea; the addition of chaotropic salts, for example perchlorate and guanidinium salts; the presence of formamide; and the application of heat, for example a temperature of up to about 70° C.Type: ApplicationFiled: November 20, 2006Publication date: February 4, 2010Inventors: Nanda Dulal Sinha, Saied Shaikh, Satya Kuchimanchi
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Publication number: 20090221810Abstract: A process for removal of exocyclic nucleobase nitrogen-protecting groups from a protected oligonucleotide comprising at least one 2?-O-protected nucleotide or 2?-halo-, such as a 2?-fluoro-, nucleotide is provided. The process comprises contacting the protected oligonucleotide with a solution of an inorganic base selected from the group consisting of lithium hydroxide, lithium carbonate, sodium carbonate and potassium carbonate.Type: ApplicationFiled: April 15, 2005Publication date: September 3, 2009Inventors: Nanda Dulal Sinha, Satya Kuchimanchi