Patents by Inventor Xiaoqiang Kang
Xiaoqiang Kang 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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Patent number: 11912777Abstract: The present invention relates to a novel antibody and antibody fragment that specifically binds to TNFR2 and to a composition comprising said antibody or antibody fragment. In addition, the present invention relates to a nucleic acid encoding the antibody or an antibody fragment thereof and a host cell comprising the same, and to a related use thereof. Besides, the present invention relates to the use of the antibody and antibody fragment for treatment and diagnosis.Type: GrantFiled: December 9, 2022Date of Patent: February 27, 2024Assignee: Nanjing Leads Biolabs Co., Ltd.Inventors: Xiaoqiang Kang, Shoupeng Lai, Xiao Huang, Huan Lin, Yujia Dang
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Publication number: 20240025967Abstract: A recombinant fusion protein comprising 1) TGF?R2, or a fragment thereof, capable of binding to TGF?, and 2) an antibody, or an antigen-binding fragment thereof, that binds to PD-1. Also disclosed are a polynucleotide encoding the recombinant fusion protein, an expression vector containing the polynucleotide, a method for producing the recombinant protein and a method for treating a disease caused by over expression of TGF? and/or PD-1 using the recombinant protein.Type: ApplicationFiled: September 22, 2023Publication date: January 25, 2024Applicant: Nanjing Leads Biolabs Co., Ltd.Inventors: Xiaoqiang Kang, Xiao Huang
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Patent number: 11807683Abstract: The present invention provides an isolated monoclonal antibody that specifically binds human TIM-3. The present invention further provides a pharmaceutical composition comprising the antibody, as well as uses thereof.Type: GrantFiled: April 11, 2019Date of Patent: November 7, 2023Assignee: Nanjing Leads Biolabs Co., Ltd.Inventors: Xiaoqiang Kang, Shoupeng Lai, Xiao Huang
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Patent number: 11802145Abstract: A recombinant fusion protein comprising 1) TGF?R2, or a fragment thereof, capable of binding to TGF?, and 2) an antibody, or an antigen-binding fragment thereof, that binds to PD-1. Also disclosed are a polynucleotide encoding the recombinant fusion protein, an expression vector containing the polynucleotide, a method for producing the recombinant protein and a method for treating a disease caused by over expression of TGF? and/or PD-1 using the recombinant protein.Type: GrantFiled: October 20, 2020Date of Patent: October 31, 2023Assignee: Nanjing Leads Biolabs Co., Ltd.Inventors: Xiaoqiang Kang, Xiao Huang
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Publication number: 20230212302Abstract: The present invention relates to a novel antibody and antibody fragment that specifically binds to TNFR2 and to a composition comprising said antibody or antibody fragment. In addition, the present invention relates to a nucleic acid encoding the antibody or an antibody fragment thereof and a host cell comprising the same, and to a related use thereof. Besides, the present invention relates to the use of the antibody and antibody fragment for treatment and diagnosis.Type: ApplicationFiled: December 9, 2022Publication date: July 6, 2023Applicant: Nanjing Leads Biolabs Co., Ltd.Inventors: Xiaoqiang Kang, Shoupeng Lai, Xiao Huang, Huan Lin, Yujia Dang
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Publication number: 20230192862Abstract: Disclosed is an isolated monoclonal antibody that specifically binds human 4-1BB, or the antigen-binding portion thereof. A nucleic acid molecule encoding the antibody, an expression vector, a host cell and a method for expressing the antibody are also provided. The present disclosure further provides a bispecific molecule, and a pharmaceutical composition comprising the antibody or the bispecific molecule, as well as a treatment method using an anti-4-1BB antibody of the disclosure.Type: ApplicationFiled: October 7, 2022Publication date: June 22, 2023Applicant: Nanjing Leads Biolabs Co., Ltd.Inventors: Xiaoqiang Kang, Xiao Huang, Jianming Sun
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Patent number: 11466086Abstract: Disclosed is an isolated monoclonal antibody that specifically binds human 4-1BB, or the antigen-binding portion thereof. A nucleic acid molecule encoding the antibody, an expression vector, a host cell and a method for expressing the antibody are also provided. The present disclosure further provides a bispecific molecule, and a pharmaceutical composition comprising the antibody or the bispecific molecule, as well as a treatment method using an anti-4-1BB antibody of the disclosure.Type: GrantFiled: September 30, 2020Date of Patent: October 11, 2022Assignee: Nanjing Leads Biolabs Co., Ltd.Inventors: Xiaoqiang Kang, Xiao Huang, Jianming Sun
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Patent number: 11136394Abstract: The present invention provides an isolated monoclonal antibody that specifically binds human PD-1. A nucleic acid molecule encoding the antibody, an expression vector, a host cell and a method for expressing the antibody are also provided. The present invention further provides an immunoconjugate, a bispecific molecule and a pharmaceutical composition comprising the antibody, as well as a diagnostic and treatment method using an anti-PD-1 antibody of the invention.Type: GrantFiled: May 16, 2019Date of Patent: October 5, 2021Assignee: Nanjing Leads Biolabs Co., Ltd.Inventors: Xiaoqiang Kang, Shoupeng Lai, Xiao Huang
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Publication number: 20210221885Abstract: The present invention provides an isolated monoclonal antibody that specifically binds human TIM-3. The present invention further provides a pharmaceutical composition comprising the antibody, as well as uses thereof.Type: ApplicationFiled: April 11, 2019Publication date: July 22, 2021Inventors: Xiaoqiang Kang, Shoupeng Lai, Xiao Huang
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Publication number: 20210115142Abstract: A recombinant fusion protein comprising 1) TGF?R2, or a fragment thereof, capable of binding to TGF?, and 2) an antibody, or an antigen-binding fragment thereof, that binds to PD-1. Also disclosed are a polynucleotide encoding the recombinant fusion protein, an expression vector containing the polynucleotide, a method for producing the recombinant protein and a method for treating a disease caused by over expression of TGF? and/or PD-1 using the recombinant protein.Type: ApplicationFiled: October 20, 2020Publication date: April 22, 2021Applicant: Nanjing Leads Biolabs Co., Ltd.Inventors: Xiaoqiang Kang, Xiao Huang
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Publication number: 20210107982Abstract: Disclosed is an isolated monoclonal antibody that specifically binds human 4-1BB, or the antigen-binding portion thereof. A nucleic acid molecule encoding the antibody, an expression vector, a host cell and a method for expressing the antibody are also provided. The present disclosure further provides a bispecific molecule, and a pharmaceutical composition comprising the antibody or the bispecific molecule, as well as a treatment method using an anti-4-1BB antibody of the disclosure.Type: ApplicationFiled: September 30, 2020Publication date: April 15, 2021Applicant: Nanjing Leads Biolabs Co., Ltd.Inventors: Xiaoqiang Kang, Xiao Huang, Jianming Sun
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Patent number: 10844121Abstract: The present invention provides an isolated monoclonal antibody that specifically binds LAG-3. A nucleic acid molecule encoding the antibody, an expression vector, a host cell and a method for expressing the antibody are also provided. The present invention further provides an immunoconjugate, a bispecific molecule and a pharmaceutical composition comprising the antibody, as well as a diagnostic and treatment method using an anti-LAG-3 antibody of the invention.Type: GrantFiled: July 12, 2018Date of Patent: November 24, 2020Assignee: NANJING LEADS BIOLABS CO., LTDInventors: Xiaoqiang Kang, Shoupeng Lai, Xiao Huang, Lijun Zhou
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Publication number: 20190352402Abstract: The present invention provides an isolated monoclonal antibody that specifically binds human PD-1. A nucleic acid molecule encoding the antibody, an expression vector, a host cell and a method for expressing the antibody are also provided. The present invention further provides an immunoconjugate, a bispecific molecule and a pharmaceutical composition comprising the antibody, as well as a diagnostic and treatment method using an anti-PD-1 antibody of the invention.Type: ApplicationFiled: May 16, 2019Publication date: November 21, 2019Inventors: Xiaoqiang KANG, Shoupeng LAI, Xiao HUANG
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Publication number: 20190016800Abstract: The present invention provides an isolated monoclonal antibody that specifically binds LAG-3. A nucleic acid molecule encoding the antibody, an expression vector, a host cell and a method for expressing the antibody are also provided. The present invention further provides an immunoconjugate, a bispecific molecule and a pharmaceutical composition comprising the antibody, as well as a diagnostic and treatment method using an anti-LAG-3 antibody of the invention.Type: ApplicationFiled: July 12, 2018Publication date: January 17, 2019Inventors: Xiaoqiang KANG, Shoupeng LAI, Xiao HUANG, Lijun ZHOU
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Patent number: 7951370Abstract: The present invention provides for fully human antibodies and chimeric antibodies that bind human TYRP1 antigen with an affinity comparable to or higher than TA99, a murine antibody specific to TYRP1. The invention further provides polynucleic acids and host cells that encode and express these antibodies. The invention also provides for methods of modulating activity of TYRP1, treating growth of a cancer cell, and treating a malignant melanoma in mammals by administering an effective amount of an antibody either alone or in combination with an anti-cancer agent or treatment.Type: GrantFiled: March 11, 2009Date of Patent: May 31, 2011Assignee: ImClone LLCInventors: Paul J. Balderes, Xiaoqiang Kang
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Publication number: 20090232823Abstract: The present invention provides for fully human antibodies and chimeric antibodies that bind human TYRP1 antigen with an affinity comparable to or higher than TA99, a murine antibody specific to TYRP1. The invention further provides polynucleic acids and host cells that encode and express these antibodies. The invention also provides for methods of modulating activity of TYRP1, treating growth of a cancer cell, and treating a malignant melanoma in mammals by administering an effective amount of an antibody either alone or in combination with an anti-cancer agent or treatment.Type: ApplicationFiled: March 11, 2009Publication date: September 17, 2009Inventors: Paul J. Balderes, Xiaoqiang Kang
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Publication number: 20040132972Abstract: The present invention relates to novel tri-hybrid melanoma antigens, including antigenic fragments or derivatives thereof, of a tyrosinase (TYR) antigen, a tyrosinase-related protein 1 (TRP-1) antigen, and a tyrosinase-related protein 2 (TRP-2) antigen and nucleic acids encoding them. The novel tri-hybrid melanoma antigens of the present invention are useful in the diagnosis, treatment and prevention of human neoplasms, including malignant tumors, such as carcinomas, sarcomas, leukemia, and lymphomas, and pre-malignant lesions, such as adenomas and dysplastic lesions.Type: ApplicationFiled: January 13, 2004Publication date: July 8, 2004Inventors: Xiaoqiang Kang, Daniel J. Hicklin