Patents by Inventor Ajit Lalvani

Ajit Lalvani 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: 11204352
    Abstract: There is provided methods of determining tuberculosis (TB) infection status in an individual comprising: (i) providing a sample comprising T-cells; (ii) exposing the sample of (i) to one or more TB antigens; (iii) identifying T-cells in the sample that are CD4 positive and (a) secrete TNF-? without secreting IFN-?; or (b) secrete IFN-? without secreting TNF-?; (iv) identifying those cells of (iii) which are also CCR7 and, CD127 negative; and optionally (v) calculating the cells identified in (iv) as a percentage of those identified in (iii); wherein the identification of cells in (iv) and/or the percentage of T-cells calculated in (v) correlates to TB infection status of the individual, and wherein steps (iii) and (iv) can be carried out either sequentially or simultaneously. There are also provided compositions and kits for use in such methods.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: December 21, 2021
    Assignee: MJO Innovations Limited
    Inventors: Ajit Lalvani, Katrina Mary Pollock, Graham Taylor, Hilary Sian Whitworth
  • Publication number: 20210172947
    Abstract: The present invention relates to a method for the diagnosis of sarcoidosis. In particular, the present invention relates to a method for the differential diagnosis of sarcoidosis versus tuberculosis infection.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 10, 2021
    Inventors: Muhunthan THILLAI, Ajit LALVANI, Robert PARKER
  • Publication number: 20210172949
    Abstract: There are provided methods of determining the latent tuberculosis (TB) infection status in an individual comprising: (i) providing a sample comprising T-cells; (ii) exposing, the sample of (i) to one or more TB antigens; (iii) identifying T-cells in the sample that are CD4 positive and secrete IFN-? in response to TB antigens; (iv) identifying those cells of (iii) which are also HLA-DR positive; and optionally (v) calculating the cells identified in (iv) as a percentage of those identified in (iii); wherein the identification of cells in (iv) and/or the percentage of cells calculated in (v) correlates to latent TB infection status of the individual, and wherein steps (iii) and (iv) can be carried out either sequentially or simultaneously. There are also provided compositions and kits for use in such methods.
    Type: Application
    Filed: December 21, 2018
    Publication date: June 10, 2021
    Inventors: Ajit Lalvani, Alice Halliday
  • Publication number: 20210164979
    Abstract: There is provided methods of determining tuberculosis (TB) infection status in an individual comprising: (i) providing a sample comprising T-cells; (ii) exposing the sample of (i) to one or more TB antigens; (iii) identifying T-cells in the sample that are CD4 positive and (a) secrete TNF-? without secreting IFN-?; or (b) secrete IFN-? without secreting TNF-?; (iv) identifying those cells of (iii) which are also CCR7 and, CD127 negative; and optionally (v) calculating the cells identified in (iv) as a percentage of those identified in (iii); wherein the identification of cells in (iv) and/or the percentage of T-cells calculated in (v) correlates to TB infection status of the individual, and wherein steps (iii) and (iv) can be carried out either sequentially or simultaneously. There are also provided compositions and kits for use in such methods.
    Type: Application
    Filed: November 30, 2020
    Publication date: June 3, 2021
    Inventors: Ajit Lalvani, Katrina Mary Pollock, Graham Taylor, Hilary Sian Whitworth
  • Patent number: 10883990
    Abstract: There is provided methods of determining tuberculosis (TB) infection status in an individual comprising: (i) providing a sample comprising T-cells; (ii) exposing the sample of (i) to one or more TB antigens; (iii) identifying T-cells in the sample that are CD4 positive and (a) secrete TNF-? without secreting IFN-?; or (b) secrete IFN-? without secreting TNF-?; (iv) identifying those cells of (iii) which are also CCR7 and, CD127 negative; and optionally (v) calculating the cells identified in (iv) as a percentage of those identified in (iii); wherein the identification of cells in (iv) and/or the percentage of T-cells calculated in (v) correlates to TB infection status of the individual, and wherein steps (iii) and (iv) can be carried out either sequentially or simultaneously. There are also provided compositions and kits for use in such methods.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: January 5, 2021
    Assignee: MJO INNOVATION LIMITED
    Inventors: Ajit Lalvani, Katrina Mary Pollock, Graham Taylor, Hilary Sian Whitworth
  • Publication number: 20190055604
    Abstract: There is provided methods for diagnosing active tuberculosis (ATB), or for determining the risk of a latent tuberculosis infection (LTBI) progressing to ATB, in an individual comprising or consisting of the steps of: a) providing a sample to be tested from the individual; b) measuring the expression in the test sample of GBP6 and/or BATF2; wherein the expression in the test sample of GBP6 and/or BATF2 is indicative of the presence of active tuberculosis (ATB) in the individual, and/or wherein the expression in the test sample of GBP6 and/or BATF2 is proportional to the risk of a latent TB infection progressing to an active TB infection in the individual. There are also provided binding agents and kits for use in such methods.
    Type: Application
    Filed: February 3, 2017
    Publication date: February 21, 2019
    Inventors: Ajit Lalvani, Long Hoang, Umar Niazi
  • Publication number: 20180313835
    Abstract: There is provided methods of determining tuberculosis (TB) infection status in an individual comprising: (i) providing a sample comprising T-cells; (ii) exposing the sample of (i) to one or more TB antigens; (iii) identifying T-cells in the sample that are CD4 positive and (a) secrete TNF-? without secreting IFN-?; or (b) secrete IFN-? without secreting TNF-?; (iv) identifying those cells of (iii) which are also CCR7 and, CD127 negative; and optionally (v) calculating the cells identified in (iv) as a percentage of those identified in (iii); wherein the identification of cells in (iv) and/or the percentage of T-cells calculated in (v) correlates to TB infection status of the individual, and wherein steps (iii) and (iv) can be carried out either sequentially or simultaneously. There are also provided compositions and kits for use in such methods.
    Type: Application
    Filed: July 3, 2018
    Publication date: November 1, 2018
    Inventors: Ajit Lalvani, Katrina Mary Pollock, Graham Taylor, Hilary Sian Whitworth
  • Patent number: 10041944
    Abstract: There is provided methods of determining tuberculosis (TB) infection status in an individual comprising: (i) providing a sample comprising T-cells; (ii) exposing the sample of (i) to one or more TB antigens; (iii) identifying T-cells in the sample that are CD4 positive and (a) secrete TNF-? without secreting IFN-?; or (b) secrete IFN-? without secreting TNF-?; (iv) identifying those cells of (iii) which are also CCR7 and, CD127 negative; and optionally (v) calculating the cells identified in (iv) as a percentage of those identified in (iii); wherein the identification of cells in (iv) and/or the percentage of T-cells calculated in (v) correlates to TB infection status of the individual, and wherein steps (iii) and (iv) can be carried out either sequentially or simultaneously. There are also provided compositions and kits for use in such methods.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: August 7, 2018
    Assignee: MJO Innovation Limited
    Inventors: Ajit Lalvani, Katrina Mary Pollock, Graham Taylor, Hilary Sian Whitworth
  • Publication number: 20160195529
    Abstract: There is provided methods of determining tuberculosis (TB) infection status in an individual comprising: (i) providing a sample comprising T-cells; (ii) exposing the sample of (i) to one or more TB antigens; (iii) identifying T-cells in the sample that are CD4 positive and (a) secrete TNF-? without secreting IFN-?; or (b) secrete IFN-? without secreting TNF-?; (iv) identifying those cells of (iii) which are also CCR7 and, CD127 negative; and optionally (v) calculating the cells identified in (iv) as a percentage of those identified in (iii); wherein the identification of cells in (iv) and/or the percentage of T-cells calculated in (v) correlates to TB infection status of the individual, and wherein steps (iii) and (iv) can be carried out either sequentially or simultaneously. There are also provided compositions and kits for use in such methods.
    Type: Application
    Filed: September 4, 2014
    Publication date: July 7, 2016
    Inventors: Ajit Lalvani, Katrina Mary Pollock, Graham Taylor, Hilary Sian Whitworth
  • Patent number: 9377460
    Abstract: A method of diagnosing Mycobacterium tuberculosis infection in a human, or of determining whether a human has been exposed to Mycobacterium tuberculosis, comprising (i) contacting T-cells from said human with one or more of (a) a peptide having the sequence shown in SEQ ID NO 20, (b) a peptide having or comprising the sequence of at least 8 consecutive amino acids of the sequence shown in SEQ. ID NO 20; or (c) a peptide having or comprising a sequence which is capable of binding to a T-cell receptor which recognizes a peptide as defined in (a) or (b); and (ii) determining whether any of the said T-cells recognize said peptide, wherein steps (i) and (ii) are optionally carried out in vitro. The peptide is the product of the RV3615c gene.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: June 28, 2016
    Inventor: Ajit Lalvani
  • Patent number: 9360480
    Abstract: A method of assaying for peptide-specific T-cells comprises adding peptide to a fluid sample of fresh peripheral blood mononuclear cells, and detecting a cytokine such as interferon-y produced by T-cells that have been pre-sensitized to the peptide. The assay method is quick and cheap and is expected to be useful for the study of various disease states including Hepatitis B, Hepatitis C, tuberculosis, malaria, HIV and influenza.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: June 7, 2016
    Assignee: Oxford Immunotec Limited
    Inventors: Ajit Lalvani, Roger Hamilton Brookes
  • Patent number: 9005902
    Abstract: A method of diagnosing in a host infection by or exposure to a mycobacterium which expresses ESAT-6 comprising (i) contacting a population of T cells from the host with one or more peptides or analogues selected from the peptides represented by SEQ ID NO:1 to 11 and analogues thereof which can bind a T cell receptor which recognises any of the said peptides, and (ii) determining whether the T cells of said T cell population recognise the peptide(s) and/or analogue(s). The method may performed in vivo. Peptides and a kit which enable the method to be carried out are provided.
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: April 14, 2015
    Assignee: Oxford Immunotec Limited
    Inventors: Ajit Lalvani, Ansar Pathan
  • Patent number: 8883131
    Abstract: A synergistic composition, or the use of that composition in the manufacture of a medicament, or a method of treatment including the use of that composition, for the treatment of hair loss and baldness, for combined, sequential or simultaneous administration, in any form, via any biological route. In its optimal embodiment the composition consists, in the form of a lotion: 1600-2400 IU/mL Vitamin A Palmitate, 0.64%-0.96% Thiamine Hydrochloride, 0.64%-0.96% Pyridoxine Hydrochloride, 4.8%-7.2% Niacinamide, 2.85%-5.2% D-Panthenol, 1.6%-2.4% L-Arginine, 3.6%-4.4% Methyl Sulphonyl Methane (MSM), 0.08%-0.12% Ginger Oil, 0.08%-0.12% Cinnamon Oil, 0.0996%-0.1494% Oleoresin Capsicum, 1.3%-1.95% Magnesium, 2.4%-3.6% Zinc, 0.192%-0.288% Manganese, 2.6%-3.9% Urea, 2.4%-3.6% Sodium Glycerophosphate, 4.8%-7.2% L-Lysine HCl, plus Preservatives, Co-solvent (Propylene Glycol), Fragrances, Anti-Oxidant, Cooling agent (Menthol), Emulsifier, and Vehicle (Purified water).
    Type: Grant
    Filed: October 26, 2010
    Date of Patent: November 11, 2014
    Inventors: Robert Peter Taylor, Kartar Singh Lalvani, Ajit Lalvani
  • Patent number: 8765366
    Abstract: A method of assessing an intracellular pathogen infection and/or monitoring an intracellular pathogen infection in an individual comprises determining whether the individual has (a) T-cells that secrete IFN-? only, (b) T-cells that secrete IL-2 only or (c) T-cells that secrete both IFN-? and IL-2 in response to an intracellular pathogen antigen and optionally determining any change in this cytokine profile.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: July 1, 2014
    Inventors: Ajit Lalvani, Kerry Millington
  • Publication number: 20140087399
    Abstract: A method of assaying for peptide-specific T-cells comprises adding peptide to a fluid sample of fresh peripheral blood mononuclear cells, and detecting a cytokine such as interferon-y produced by T-cells that have been pre-sensitised to the peptide. The assay method is quick and cheap and is expected to be useful for the study of various disease states including Hepatitis B, Hepatitis C, tuberculosis, malaria, HIV and influenza.
    Type: Application
    Filed: November 26, 2013
    Publication date: March 27, 2014
    Applicant: ISIS INNOVATION LIMITED
    Inventors: AJIT LALVANI, ROGER HAMILTON BROOKES
  • Patent number: 8617821
    Abstract: A method of assaying for peptide-specific T-cells comprises adding peptide to a fluid sample of fresh peripheral blood mononuclear cells, and detecting a cytokine such as interferon-? produced by T-cells that have been pre-sensitized to the peptide. The assay method is quick and cheap and is expected to be useful for the study of various disease states including Hepatitis B, Hepatitis C, tuberculosis, malaria, HIV and influenza.
    Type: Grant
    Filed: July 28, 2009
    Date of Patent: December 31, 2013
    Assignee: Isis Innovation Limited
    Inventors: Ajit Lalvani, Roger Hamilton Brookes
  • Publication number: 20130310271
    Abstract: A method of diagnosing in a host infection by or exposure to a mycobacterium which expresses ESAT-6 comprising (i) contacting a population of T cells from the host with one or more peptides or analogues selected from the peptides represented by SEQ ID NO:1 to 11 and analogues thereof which can bind a T cell receptor which recognises any of the said peptides, and (ii) determining whether the T cells of said T cell population recognise the peptide(s) and/or analogue(s). The method may performed in vivo. Peptides and a kit which enable the method to be carried out are provided.
    Type: Application
    Filed: July 12, 2013
    Publication date: November 21, 2013
    Applicant: ISIS INNOVATION LIMITED
    Inventors: Ajit LALVANI, Ansar Pathan
  • Patent number: 8507211
    Abstract: A method of diagnosing in a host infection by or exposure to a mycobacterium which expresses ESAT-6 comprising (i) contacting a population of T cells from the host with one or more peptides or analogues selected from the peptides represented by SEQ ID NO:1 to 11 and analogues thereof which can bind a T cell receptor which recognises any of the said peptides, and (ii) determining whether the T cells of said T cell population recognise the peptide(s) and/or analogue(s). The method may performed in vivo. Peptides and a kit which enable the method to be carried out are provided.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: August 13, 2013
    Assignee: Isis Innovation Limtied
    Inventors: Ajit Lalvani, Ansar Pathan
  • Publication number: 20120264141
    Abstract: A method of diagnosing in a host infection by or exposure to a mycobacterium which expresses ESAT-6 comprising (i) contacting a population of T cells from the host with one or more peptides or analogues selected from the peptides represented by SEQ ID NO:1 to 11 and analogues thereof which can bind a T cell receptor which recognises any of the said peptides, and (ii) determining whether the T cells of said T cell population recognise the peptide(s) and/or analogue(s). The method may performed in vivo. Peptides and a kit which enable the method to be carried out are provided.
    Type: Application
    Filed: June 6, 2012
    Publication date: October 18, 2012
    Applicant: ISIS INNOVATION LIMITED
    Inventors: AJIT LALVANI, ANSAR PATHAN
  • Patent number: 8216795
    Abstract: A method of diagnosing in a host infection by or exposure to a mycobacterium which expresses ESAT-6 comprising (i) contacting a population of T cells from the host with one or more peptides or analogues selected from the peptides represented by SEQ ID NO:1 to 11 and analogues thereof which can bind a T cell receptor which recognizes any of the said peptides, and (ii) determining whether the T cells of said T cell population recognize the peptide(s) and/or analogue(s). The method may performed in vivo. Peptides and a kit which enable the method to be carried out are provided.
    Type: Grant
    Filed: January 25, 2011
    Date of Patent: July 10, 2012
    Assignee: Isis Innovation Limited
    Inventors: Ajit Lalvani, Ansar Pathan