St2 antigen binding proteins
US-2024368292-A1 · Nov 7, 2024 · US
US2021101987A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2021101987-A1 |
| Application number | US-201816604031-A |
| Country | US |
| Kind code | A1 |
| Filing date | Apr 18, 2018 |
| Priority date | Apr 18, 2017 |
| Publication date | Apr 8, 2021 |
| Grant date | — |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
The present invention provides a stable liquid formulation of an antibody in phosphate-amino acid based dual buffer system. The antibody formulated in phosphate-amino acid based dual buffer system imparts optimum stability to the antibody, at lower as well as higher concentrations. Further, the antibody formulated in phosphate-amino acid based buffer system has low viscosity and is suitable for therapeutic administration of high concentrations of antibody.
Opening claim text (preview).
1 . A stable liquid antibody formulation, wherein the formulation comprises a phosphate-amino acid dual buffer system. 2 . The formulation according to claim 1 , wherein the antibody formulated in the phosphate-amino acid buffer remains stable under at least one of the following storage conditions such as at 2-8 CC for at least 6 months or at 25° C. for at least 6 months, or at 40° C. for at least 2 weeks, or at 40° C. for at least 4 weeks. 3 . The formulation according to claim 1 , wherein the amino acid acts as counter ion to the phosphate component of the buffer in the formulation. 4 . The formulation according to claim 1 , wherein the concentration of the antibody in the said formulation ranges from about 10 mg/ml to about 200 mg/ml. 5 . The formulation according to claim 1 , wherein the viscosity of the formulation is less than 10 cp. 6 . The formulation according to claim 1 , further comprises pharmaceutically acceptable excipients such as sugars, amino acids, salts, and surfactant. 7 . The formulation according to claim 6 , wherein the concentration of buffer and/salts in the said formulation is less than 50 mull. 8 . The formulation according to claim 6 , wherein the pharmaceutically acceptable excipients does not include anti-oxidants. 9 . The formulation of claim 1 , wherein the antibody is an anti-IL6R antibody or anti-HER2 antibody. 10 . A stable liquid formulation of anti-IL6R antibody comprising, phosphate-amino acid buffer system, sorbitol and surfactant. 11 . A stable liquid formulation of anti-IL6R antibody comprising, phosphate-amino acid buffer system, sorbitol, surfactant and optionally contains arginine. 12 . The formulation according to claim 10 , wherein the antibody in the said formulation is devoid of anti-oxidant/s. 13 . A stable liquid formulation of tocilizumab in phosphate-amino acid buffer system comprising sorbitol, surfactant and optionally contains arginine wherein, the formulation is devoid of methionine. 14 . A stable liquid formulation of tocilizumab comprising a phosphate-amino acid buffer system, wherein the formulation maintains at least 95% of monomeric content and/or contains less than 5% of aggregates of the antibody, after storage 2-8° C. for at least 6 months or at 25° C. for at least 6 months, or at 40° C. for at least 2 weeks, or at 40° C. for at least 4 weeks. 15 . A stable liquid formulation of tocilizumab comprising a phosphate-histidine buffer, sorbitol and surfactant. 16 . The formulation according to claim 11 , wherein the antibody in the said formulation is devoid of anti-oxidant/s.
Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharides; Derivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin · CPC title
against receptors for cytokines, lymphokines, interferons · CPC title
against translation products of oncogenes · CPC title
Antagonist effect on antigen, e.g. neutralization or inhibition of binding · CPC title
containing regions, domains or residues from different species, e.g. chimeric, humanized or veneered · CPC title
Related publications grouped by family.
Answers are generated from the same data shown on this page.