Patents by Inventor Kallanthottathil G. Rajeev

Kallanthottathil G. Rajeev 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).

  • Publication number: 20240131166
    Abstract: Provided herein are compositions, methods of making the same, and methods for targeted delivery of therapeutic agents for modifying expression and function of target genes, e.g. proteins involved in lipid and cholesterol metabolism such as PCSK9. Further provided herein are compositions and methods of treating conditions related to coronary disease.
    Type: Application
    Filed: September 19, 2023
    Publication date: April 25, 2024
    Inventors: Kallanthottathil G. Rajeev, Souvik Biswas, Padma Malyala, Lisa N. Kasiewicz, Alexandra Chadwick, Caroline Reiss
  • Publication number: 20240124536
    Abstract: Provided herein are compositions for gene modification related to base editor systems, and methods of using the same to treat or prevent conditions associated with the extracellular deposition in various tissues of amyloid fibrils formed by the aggregation of misfolded transthyretin (TTR) proteins. Such conditions include, but are not limited to, polyneuropathy due to hereditary transthyretin amyloidosis (hATTR-PN) and hereditary cardiomyopathy due to transthyretin amyloidosis (hATTR-CM), both associated with autosomal dominant mutations of the TTR gene, and an age-related cardiomyopathy associated with wild-type TTR proteins (ATTRwt), also known as senile cardiac amyloidosis.
    Type: Application
    Filed: November 20, 2023
    Publication date: April 18, 2024
    Applicant: Beam Therapeutics Inc.
    Inventors: Alexandra C. CHADWICK, Kallanthottathil G. RAJEEV
  • Publication number: 20240110180
    Abstract: The invention relates to double-stranded ribonucleic acid (dsRNA) targeting an APOC3 gene, and methods of using the dsRNA to inhibit expression of APOC3.
    Type: Application
    Filed: May 19, 2023
    Publication date: April 4, 2024
    Inventors: Brian Bettencourt, Kevin Fitzgerald, Stuart Milstein, Martin A. Maier, Klaus Charisse, Kallanthottathil G. Rajeev, Satyanarayana Kuchimanchi, Muthiah Manoharan, Tuyen M. Nguyen
  • Patent number: 11944687
    Abstract: This disclosure relates to an improved process for the preparation of carbohydrate conjugates. The disclosure also relates to carbohydrate conjugated iRNA agents comprising these carbohydrate conjugates, which have improved purity and are advantageous for the in vivo delivery of the iRNA agents.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: April 2, 2024
    Assignee: ALNYLAM PHARMACEUTICALS, INC.
    Inventors: Jayaprakash K. Nair, Alexander V Kel'in, Pachamuthu Kandasamy, Kallanthottathil G Rajeev, Muthiah Manoharan
  • Publication number: 20240100169
    Abstract: Provided herein are compositions, methods of making the same, and methods for targeted delivery of therapeutic agents for modifying expression and function of target genes, e.g. proteins involved in lipid and cholesterol metabolism such as PCSK9. Further provided herein are compositions and methods of treating conditions related to coronary disease.
    Type: Application
    Filed: September 19, 2023
    Publication date: March 28, 2024
    Inventors: Kallanthottathil G. Rajeev, Souvik Biswas, Padma Malyala, Lisa N. Kasiewicz, Alexandra Chadwick, Caroline Reiss
  • Publication number: 20240066129
    Abstract: Disclosed herein are lipid compositions comprising a cationic lipid of formula (I), a neutral lipid, a sterol and a PEG or PEG-modified lipid, wherein formula (I) is (F). Also disclosed are methods of producing the cationic lipid of formula (I).
    Type: Application
    Filed: February 16, 2023
    Publication date: February 29, 2024
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Michael E. Jung
  • Publication number: 20240042039
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention provides lipids having the following structure wherein: R1 and R2 are each independently for each occurrence optionally substituted C10-C30 alkyl, optionally substituted C10-C30 alkenyl, optionally substituted C10-C30 alkynyl, optionally substituted C10-C30 acyl, or -linker-ligand; R3 is H, optionally substituted C1-C10 alkyl, optionally substituted C2-C10 alkenyl, optionally substituted C2-C10 alkynyl, alkylhetrocycle, alkylphosphate, alkylphosphorothioate, alkylphosphorodithioate, alkylphosphonates, alkylamines, hydroxyalkyls, ?-aminoalkyls, ?-(substituted)aminoalkyls, ?-phosphoalkyls, ?-thiophosphoalkyls, optionally substituted polyethylene glycol (PEG, mw 100-40K), optionally substituted mPEG (mw 120-40K), heteroaryl, heterocycle, or linker-ligand; and E is C(O)O or OC(O).
    Type: Application
    Filed: March 31, 2023
    Publication date: February 8, 2024
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Muthusamy Jayaraman, Kallanthottathil G. Rajeev, Laxman Eltepu, Steven Ansell, Jianxin Chen
  • Patent number: 11873491
    Abstract: The invention relates to iRNA, e.g., double-stranded ribonucleic acid (dsRNA), compositions targeting the complement component C5 gene, and methods of using such iRNA, e.g., dsRNA, compositions to inhibit expression of C5 and to treat subjects having a complement component C5-associated disease, e.g., paroxysmal nocturnal hemoglobinuria.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: January 16, 2024
    Assignee: Alnylam Pharmaceuticals, Inc.
    Inventors: Kevin Fitzgerald, James Butler, Brian Bettencourt, Anna Borodovsky, Satyanarayana Kuchimanchi, Klaus Charisse, Muthiah Manoharan, Martin A. Maier, Kallanthottathil G. Rajeev, Donald Foster
  • Publication number: 20240009225
    Abstract: One aspect of the present invention relates to a double stranded iRNA agent comprising an antisense strand which is complementary to a target gene; a sense strand which is complementary to said antisense strand; and one or more lipophilic moieties conjugated to one or more internal positions on at least one strand, optionally via a linker or carrier. Another aspect of the invention relates to a method of gene silencing, comprising administering to a cell or a subject in need thereof a therapeutically effective amount of the lipophilic moieties-conjugated double-stranded iRNAs.
    Type: Application
    Filed: May 3, 2023
    Publication date: January 11, 2024
    Inventors: Jayaprakash K. NAIR, Martin MAIER, Vasant JADHAV, Stuart MILSTEIN, Kirk BROWN, Rubina G. PARMAR, Kallanthottathil G. RAJEEV, Muthiah MANOHARAN, Alexander V. KEL'IN, Muthusamy JAYARAMAN, Klaus CHARISSE, Adam CASTORENO, Christopher THEILE, Kevin FITZGERALD
  • Publication number: 20240010609
    Abstract: The present disclosure relates to PEG-lipids, cationic and/or ionizable lipids and nucleic acid-lipid particle compositions comprising the same. The present disclosure also relates to methods of making, using and delivering the described lipids and lipid-containing particles.
    Type: Application
    Filed: March 8, 2023
    Publication date: January 11, 2024
    Inventors: Kallanthottathil G. Rajeev, Souvik Biswas, Padma Malyala, Lisa N. Kasiewicz, Aaron Beach, Thomas V., Colace
  • Publication number: 20240011023
    Abstract: Polynucleotides are engineered to hybridize to one another to form a functional guide nucleic acid having an editing template. The hybridized guide nucleic acids may be used with template-based gene editors to write an edit into a target genomic location using the editing template as a template for the edit.
    Type: Application
    Filed: July 7, 2023
    Publication date: January 11, 2024
    Inventors: Vidya Subramanian, Kallanthottathil G. Rajeev, Hariharan Jayaram, Caroline Reiss, Maryam Habibian, Gitali Devi, Allison Baker
  • Publication number: 20230381319
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells.
    Type: Application
    Filed: February 16, 2023
    Publication date: November 30, 2023
    Applicant: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Manoharan, Kallanthottathil G. Rajeev, Muthusamy Jayaraman, David Butler, Jayaprakash K. Nair, Martin Maier, Laxman Eltepu
  • Publication number: 20230365965
    Abstract: The invention relates to iRNA, e.g., double-stranded ribonucleic acid (dsRNA), compositions targeting the Serpinc1 gene, and methods of using such iRNA, e.g., dsRNA, compositions to inhibit expression of Serpinc1 and methods of treating subjects having a bleeding disorder, such as a hemophilia.
    Type: Application
    Filed: January 17, 2023
    Publication date: November 16, 2023
    Applicant: Genzyme Corporation
    Inventors: Akin Akinc, Alfica Sehgal, Ivanka Toudjarska, Donald Foster, Stuart Milstein, Brian Bettencourt, Martin A. Maier, Klaus Charisse, Satyanarayana Kuchimanchi, Kallanthottathil G. Rajeev, Muthiah Manoharan
  • Patent number: 11801306
    Abstract: Provided herein are compositions, methods of making the same, and methods for targeted delivery of therapeutic agents for modifying expression and function of target genes, e.g. proteins involved in lipid and cholesterol metabolism such as PCSK9. Further provided herein are compositions and methods of treating conditions related to coronary disease.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: October 31, 2023
    Assignee: Verve Therapeutics, Inc.
    Inventors: Kallanthottathil G. Rajeev, Souvik Biswas, Padma Malyala, Lisa N. Kasiewicz, Alexandra Chadwick, Caroline Reiss
  • Publication number: 20230340435
    Abstract: Provided herein are compositions for gene modification or editing and methods of using same to treat or prevent certain conditions. Specific compositions and methods capable of safely and effectively editing gene targets expressed in the liver to durably lower LDL-C thereby treating a leading cause of cardiovascular disease are disclosed.
    Type: Application
    Filed: April 9, 2021
    Publication date: October 26, 2023
    Inventors: Alexandra Chadwick, Kallanthottathil G. Rajeev, Ellen Rohde, Christopher Cheng, Caroline Reiss
  • Publication number: 20230256098
    Abstract: The present invention relates to a cationic lipid having one or more biodegradable groups located in a lipidic moiety (e.g., a hydrophobic chain) of the cationic lipid. These cationic lipids may be incorporated into a lipid particle for delivering an active agent, such as a nucleic acid. The invention also relates to lipid particles comprising a neutral lipid, a lipid capable of reducing aggregation, a cationic lipid of the present invention, and optionally, a sterol. The lipid particle may further include a therapeutic agent such as a nucleic acid.
    Type: Application
    Filed: April 20, 2023
    Publication date: August 17, 2023
    Inventors: Martin MAIER, Muthusamy JAYARAMAN, Akin AKINC, Shigeo MATSUDA, Pachamuthu KANDASAMY, Kallanthottathil G. RAJEEV, Muthiah MANOHARAN
  • Publication number: 20230256001
    Abstract: One aspect of the present invention relates to double-stranded RNA (dsRNA) agent capable of inhibiting the expression of a target gene. The antisense strand of the dsRNA molecule comprises at least one thermally destabilizing nucleotide occurring at a seed region; the dsRNA comprises at least four 2?-fluoro modifications, and the sense strand of the dsRNA molecule comprises ligand, wherein the ligand is an ASGPR ligand. Other aspects of the invention relate to pharmaceutical compositions comprising these dsRNA molecules suitable for therapeutic use, and methods of inhibiting the expression of a target gene by administering these dsRNA molecules, e.g., for the treatment of various disease conditions.
    Type: Application
    Filed: September 30, 2022
    Publication date: August 17, 2023
    Applicant: ALNYLAM PHARMACEUTICALS, INC.
    Inventors: Mark K. SCHLEGEL, Maja JANAS, Vasant R. JADHAV, Muthiah MANOHARAN, Kallanthottathil G. RAJEEV, Muthusamy JAYARAMAN, Alexander V. KEL'IN, Shigeo MATSUDA, Klaus CHARISSE, Jayaprakash K. NAIR, Martin A. MAIER, Alfica SEHGAL, Christopher BROWN, Christopher THEILE, Stuart MILSTEIN
  • Patent number: 11725207
    Abstract: The invention relates to RNAi agents, e.g., double stranded RNAi agents, targeting the Serpina1 gene, and methods of using such RNAi agents to inhibit expression of Serpina1 and methods of treating subjects having a Serpina1 associated disease, such as a liver disorder.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: August 15, 2023
    Assignee: Alnylam Pharmaceuticals, Inc.
    Inventors: Mark K. Schlegel, Maja Janas, Vasant R. Jadhav, Donald Foster, Muthiah Manoharan, Kallanthottathil G. Rajeev, Alexander V. Kel'in, Klaus Charisse, Jayaprakash K. Nair, Martin A. Maier, Shigeo Matsuda, Muthusamy Jayaraman, Alfica Sehgal, Christopher Brown, Kevin Fitzgerald, Stuart Milstein
  • Patent number: 11712476
    Abstract: The present invention provides lipids that are advantageously used in lipid particles for the in vivo delivery of therapeutic agents to cells. In particular, the invention formula (I) provides lipids having the following structure XXXIII wherein: R1 and R2 are each independently for each occurrence optionally substituted C10-C30 alkyl, optionally substituted C10-C30 alkenyl, optionally substituted C10-C30 alkynyl, optionally substituted C10-C30 acyl, or -linker-ligand; R3 is H, optionally substituted C1-C10 alkyl, optionally substituted C2-C10 alkenyl, optionally substituted C2-C10 alkynyl, alkylhetrocycle, alkylphosphate, alkylphosphorothioate, alkylphosphorodithioate, alkylphosphonates, alkylamines, hydroxyalkyls, ?-aminoalkyls, ?-(substituted)aminoalkyls, ?-phosphoalkyls, ?-thiophosphoalkyls, optionally substituted polyethylene glycol (PEG, mw 100-40K), optionally substituted mPEG (mw 120-40K), heteroaryl, heterocycle, or linker-ligand; and E is C(O)O or OC(O).
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: August 1, 2023
    Assignee: ARBUTUS BIOPHARMA CORPORATION
    Inventors: Muthiah Mancharan, Muthusamy Jayaraman, Kallanthottathil G. Rajeev, Laxman Eltepu, Steven Ansell, Jianxin Chen
  • Patent number: 11679158
    Abstract: The present invention relates to a cationic lipid having one or more biodegradable groups located in a lipidic moiety (e.g., a hydrophobic chain) of the cationic lipid. These cationic lipids may be incorporated into a lipid particle for delivering an active agent, such as a nucleic acid. The invention also relates to lipid particles comprising a neutral lipid, a lipid capable of reducing aggregation, a cationic lipid of the present invention, and optionally, a sterol. The lipid particle may further include a therapeutic agent such as a nucleic acid.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: June 20, 2023
    Assignee: ALNYLAM PHARMACEUTICALS, INC.
    Inventors: Martin Maier, Muthusamy Jayaraman, Akin Akinc, Shigeo Matsuda, Pachamuthu Kandasamy, Kallanthottathil G. Rajeev, Muthiah Manoharan