Patents by Inventor Sekhar Kanapuram

Sekhar Kanapuram 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).

  • Patent number: 11918650
    Abstract: The present invention provides an improved pharmaceutical composition for storage and administration comprising (a) a bispecific antibody construct comprising a first domain binding to a target cell surface antigen and a second domain binding to a second antigen, wherein the bispecific antibody construct is present at a concentration in the range from about 0.5 ?g/ml to 20 mg/ml, (b) a preservative at a concentration effective to inhibit the growth of microbes, and (c) a diluent wherein bispecific antibody construct is stable and recoverable.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: March 5, 2024
    Assignee: AMGEN INC.
    Inventors: Jeff Abel, Lingwen Cui, Devrishi Goswami, Joon Huh, Bharadwaj Jagannathan, Sekhar Kanapuram, Arnold McAuley, Michael Schneider, Ananthakrishnan G. Sethuraman, Michael Treuheit, Jun Zhang
  • Publication number: 20240066124
    Abstract: A method for reducing the viscosity of a pharmaceutical formulation is provided that utilizes a viscosity-reducing concentration of an excipient selected from the group consisting of the n-acetyl arginine, n-acetyl lysine, n-acetyl proline and mixtures thereof in combination with a therapeutiv protein. A stable pharmaceutical formulation is also provided.
    Type: Application
    Filed: October 24, 2023
    Publication date: February 29, 2024
    Applicant: AMGEN INC.
    Inventors: Christopher James SLOEY, Sekhar KANAPURAM
  • Publication number: 20230406929
    Abstract: The invention relates to a polypeptide or polypeptide construct comprising: a binding domain binding to an extracellular epitope of the human CD3s chain comprising or consisting of a VH region and a VL region, wherein i) the VH region comprises: a CDR-H1 sequence of X1YAX2N, where X1 is K, V, S, G, R, T, or I; and X2 is M or I; a CDR-H2 sequence of RIRSKYNNYATYYADX1VKX2, where X1 is S or Q; and X2 is D, G, K, S, or E; and a CDR-H3 sequence of HX1NFGNSYX2SX3X4AY, where X1 is G, R, or A; X2 is I, L, V, or T; X3 is Y, W or F; and X4 is W, F or Y; and ii) wherein the VL region comprises: a CDR-L1 sequence of X1 SSTGAVTX2X3X4YX5N, where X1 is G, R, or A; X2 is S or T; X3 is G or S; X4 is N or Y and X5 is P or A; a CDR-L2 sequence of X1TX2X3X4X5X6; where X1 is G or A; X2 is K, D, or N; X3 is F, M or K; X4 is L or R; X5 is A, P, or V; and X6 is P or S; and a CDR-L3 sequence of X1LWYSNX2VW, where X1 is V, A, or T; and X2 is R or L; and iii) wherein one or more of CDR sequences of the VH region of i) and/or of the VL
    Type: Application
    Filed: November 8, 2021
    Publication date: December 21, 2023
    Inventors: Doris Rau, Tobias Raum, Partrick Hoffmann, Markus Muenz, Matthias Klinger, Virginie Naegele, Lisa Winkel, Pavan Ghattyvenkatakrishna, Joon Hoi Huh, Arnold McAuley, Sekhar Kanapuram
  • Patent number: 11813328
    Abstract: A method for reducing the viscosity of a pharmaceutical formulation is provided that utilizes a viscosity-reducing concentration of an excipient selected from the group consisting of the n-acetyl arginine, n-acetyl lysine, n-acetyl proline and mixtures thereof in combination with a therapeutiv protein. A stable pharmaceutical formulation is also provided.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: November 14, 2023
    Assignee: AMGEN INC.
    Inventors: Christopher James Sloey, Sekhar Kanapuram
  • Publication number: 20230226177
    Abstract: Provided herein are formulations of PCSK9-binding polypeptides, such as those comprising evolocumab, that comprise N-acetyl arginine and have reduced viscosities when compared to formulations lacking N-acetyl arginine. Provided herein are also methods of formulating such compositions that are advantageous in that they conserve certain components. Such formulations comprising PCSK9-binding polypeptides can be administered to patients to treat and/or prevent PCSK9-related diseases, conditions, and disorders.
    Type: Application
    Filed: August 23, 2022
    Publication date: July 20, 2023
    Inventors: Christopher James SLOEY, Sekhar KANAPURAM, Huanchun CUI, Chio Mui CHAN, Elaheh BINABAJI
  • Publication number: 20230103401
    Abstract: The present invention provides novel and stable pharmaceutical compositions comprising bispecific single chain antibody constructs, cyclodextrins and a buffer.
    Type: Application
    Filed: June 30, 2022
    Publication date: April 6, 2023
    Inventors: Sekhar Kanapuram, Ramil Latypov, Balakumar Thangaraj, Cornelius Pompe
  • Publication number: 20230025418
    Abstract: VEGFR-Fc fusion protein formulations and methods of making using such formulations are provided herein. In one embodiment, the formulation is an ophthalmic formulation, such as for intravitreal administration. In some embodiments, the VEGFR-Fc fusion protein is aflibercept.
    Type: Application
    Filed: September 14, 2022
    Publication date: January 26, 2023
    Applicant: Amgen Inc.
    Inventors: Yael WEXLER-COHEN, Robert Matthew FESINMEYER, Monica Michelle GOSS, Sekhar KANAPURAM, Rahul Rajan KAUSHIK, Sai Chakradhar PADALA
  • Publication number: 20220378908
    Abstract: The present invention relates to compositions and methods for minimizing protein loss (e.g., due to adsorption to solid surfaces) at low protein concentrations. Inventions disclosed herein generally relate to the field of compositions comprising proteins, in particular, pharmaceutical compositions comprising therapeutic proteins at low protein concentrations. Inventions disclosed herein also relate to methods of administering the composition to a subject in need thereof.
    Type: Application
    Filed: October 23, 2020
    Publication date: December 1, 2022
    Inventors: Chen Zhu, Daniel Gerard Greene, Qi Hao, Sekhar Kanapuram, Michael J. Treuheit
  • Patent number: 11464857
    Abstract: Provided herein are formulations of PCSK9-binding polypeptides, such as those comprising evolocumab, that comprise N-acetyl arginine and have reduced viscosities when compared to formulations lacking N-acetyl arginine. Provided herein are also methods of formulating such compositions that are advantageous in that they conserve certain components. Such formulations comprising PCSK9-binding polypeptides can be administered to patients to treat and/or prevent PCSK9-related diseases, conditions, and disorders.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: October 11, 2022
    Assignee: AMGEN INC.
    Inventors: Christopher James Sloey, Sekhar Kanapuram, Huanchun Cui, Chio Mui Chan, Elaheh Binabaji
  • Patent number: 11419933
    Abstract: The present invention provides novel and stable pharmaceutical compositions comprising bispecific single chain antibody constructs, cyclodextrins and a buffer.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: August 23, 2022
    Assignees: AMGEN INC., AMGEN RESEARCH (MUNICH) GMBH
    Inventors: Sekhar Kanapuram, Ramil Latypov, Balakumar Thangaraj, Cornelius Pompe
  • Publication number: 20200332000
    Abstract: The present disclosure provides a low pH pharmaceutical composition comprising (a) an antibody constructs comprising a first domain binding to a target cell surface antigen, a second domain binding to a second antigen and preferably a third domain, which is a specific Fc modality, (b) at least one buffer agent, (c) at least one saccharide, and (d) at least one surfactant; and wherein the pH of the pharmaceutical composition is in the range of 3.5 to 6.
    Type: Application
    Filed: February 2, 2018
    Publication date: October 22, 2020
    Inventors: Arnold Mcauley, Pavan Ghattyvenkatakrishna, Jeff Abel, Joon Huh, Cornelius Pompe, Sekhar Kanapuram, Michael Treuheit, Bharadwaj Jagannathan
  • Publication number: 20200255496
    Abstract: VEGFR-Fc fusion protein formulations and methods of making using such formulations are provided herein. In one embodiment, the formulation is an ophthalmic formulation, such as for intravitreal administration. In some embodiments, the VEG-FR-Fc fusion protein is aflibercept.
    Type: Application
    Filed: September 17, 2018
    Publication date: August 13, 2020
    Applicant: AMGEN INC.
    Inventors: Yael WEXLER-COHEN, Robert Matthew FESINMEYER, Monica Michelle GOSS, Sekhar KANAPURAM, Rahul Rajan KAUSHIK, Sai Chakradhar PADALA
  • Publication number: 20200048367
    Abstract: Provided herein are excipients capable of effectively reducing the viscosity of polypeptide (e.g., therapeutic polypeptide) formulations. The viscosity reducing excipients are dipeptides containing arginine at the carboxy terminus and N-acetylated serine or N-acetylated proline at the N-terminus. Glutamate-arginine is also disclosed as a viscosity-reducing dipeptide. Among the disclosed methods, methods of reducing the viscosities of such formulations are also provided.
    Type: Application
    Filed: April 27, 2018
    Publication date: February 13, 2020
    Applicant: Amgen Inc.
    Inventors: Neeraj Jagdish AGRAWAL, Pavan GHATTYVENKATAKRISHNA, Sekhar KANAPURAM, Christopher James SLOEY
  • Publication number: 20190151448
    Abstract: The present invention provides an improved pharmaceutical composition for storage and administration comprising (a) a bispecific antibody construct comprising a first domain binding to a target cell surface antigen and a second domain binding to a second antigen, wherein the bispecific antibody construct is present at a concentration in the range from about 0.5 ?g/ml to 20 mg/ml, (b) a preservative at a concentration effective to inhibit the growth of microbes, and (c) a diluent wherein bispecific antibody construct is stable and recoverable.
    Type: Application
    Filed: May 7, 2018
    Publication date: May 23, 2019
    Inventors: Jeff Abel, Lingwen Cui, Devrishi Goswami, Joon Huh, Bharadwaj Jagannathan, Sekhar Kanapuram, Arnold McAuley, Michael Schneider, Ananthakrishnan G. Sethuraman, Michael Treuheit, Jun Zhang
  • Publication number: 20180237501
    Abstract: Provided herein are formulations of PCSK9-binding polypeptides, such as those comprising evolocumab, that comprise N-acetyl arginine and have reduced viscosities when compared to formulations lacking N-acetyl arginine. Provided herein are also methods of formulating such compositions that are advantageous in that they conserve certain components. Such formulations comprising PCSK9-binding polypeptides can be administered to patients to treat and/or prevent PCSK9-related diseases, conditions, and disorders.
    Type: Application
    Filed: February 22, 2018
    Publication date: August 23, 2018
    Applicant: AMGEN INC.
    Inventors: Christopher James SLOEY, Sekhar KANAPURAM, Huanchun CUI, Chio Mui CHAN, Elaheh BINABAJI
  • Publication number: 20170333559
    Abstract: A method for reducing the viscosity of a pharmaceutical formulation is provided that utilizes a viscosity-reducing concentration of an excipient selected from the group consisting of the n-acetyl arginine, n-acetyl lysine, n-acetyl proline and mixtures thereof in combination with a therapeutiv protein. A stable pharmaceutical formulation is also provided.
    Type: Application
    Filed: October 22, 2015
    Publication date: November 23, 2017
    Applicant: AMGEN INC.
    Inventors: Christopher James SLOEY, Sekhar KANAPURAM
  • Publication number: 20170209571
    Abstract: The present invention provides novel and stable pharmaceutical compositions comprising bispecific single chain antibody constructs, cyclodextrins and a buffer.
    Type: Application
    Filed: January 25, 2017
    Publication date: July 27, 2017
    Inventors: Sekhar Kanapuram, Ramil Latypov, Balakumar Thangaraj, Cornelius Pompe
  • Publication number: 20070110802
    Abstract: The present invention relates to a process of wet granulation, and specifically wet granulation of material that is susceptible to convert from anhydrous form to hydrate form.
    Type: Application
    Filed: November 14, 2006
    Publication date: May 17, 2007
    Inventors: Janan Jona, Sekhar Kanapuram, Dominick Daurio