ANTI-BTLA ANTIBODY PHARMACEUTICAL COMPOSITION AND USE THEREOF
The present invention provides a stable pharmaceutical composition comprising an anti-BTLA (B and T lymphocyte attenuator) antibody and use thereof in medicines. The pharmaceutical composition comprises an anti-BTLA antibody and a buffer, further comprises at least one stabilizer, and optionally further comprises a surfactant.
1 . A pharmaceutical composition, comprising:
(1) a buffer; and
(2) an anti-BTLA antibody or an antigen-binding fragment thereof, wherein the anti-BTLA antibody or the antigen-binding fragment thereof has an HCDR1, an HCDR2 and an HCDR3 having amino acid sequences set forth in SEQ ID NO: 1, SEQ ID NO: 2 and SEQ ID NO: 3, respectively, and an LCDR1, an LCDR2 and an LCDR3 having amino acid sequences set forth in SEQ ID NO: 4, SEQ ID NO: 5 and SEQ ID NO: 6, respectively.
2 . The pharmaceutical composition according to claim 1 , wherein the buffer is selected from an acetic acid buffer, a citric acid buffer and a histidine buffer.
3 . The pharmaceutical composition according to claim 2 , wherein the buffer has a concentration of about 10 mM to 30 mM, and/or the buffer has a pH of about 5.0-6.5.
4 . The pharmaceutical composition according to claim 1 , wherein the pharmaceutical composition further comprises a stabilizer selected from one or more of sodium chloride, mannitol, sorbitol, sucrose, maltose, xylitol and trehalose.
5 . The pharmaceutical composition according to claim 4 , wherein the stabilizer is sodium chloride at a concentration of about 50-200 mM; or the stabilizer is mannitol at a concentration of about 100-300 mM; or the stabilizer is sorbitol at a concentration of about 100-300 mM; or the stabilizer is sucrose at a concentration of about 100-300 mM; or the stabilizer is trehalose at a concentration of about 100-300 mM; or the stabilizer is a combination of about 30-100 mM sodium chloride and about 50-200 mM mannitol; or the stabilizer is a combination of about 30-100 mM sodium chloride and about 50-200 mM sorbitol; or the stabilizer is a combination of about 30-100 mM sodium chloride and about 50-200 mM sucrose; or the stabilizer is a combination of about 30-100 mM sodium chloride and about 50-200 mM trehalose.
6 . The pharmaceutical composition according to claim 1 , wherein the pharmaceutical composition further comprises a surfactant selected from polysorbate 80, polysorbate 20 and poloxamer 188.
7 . The pharmaceutical composition according to claim 6 , wherein the surfactant has a concentration of about 0.01%-0.1%.
8 . The pharmaceutical composition according to claim 1 , wherein the anti-BTLA antibody has a heavy chain variable region having an amino acid sequence set forth in SEQ ID NO: 7 and a light chain variable region having an amino acid sequence set forth in SEQ ID NO: 8; or has a heavy chain variable region having an amino acid sequence set forth in SEQ ID NO: 7 and a light chain variable region having an amino acid sequence set forth in SEQ ID NO: 9; or has a heavy chain variable region having an amino acid sequence set forth in SEQ ID NO: 7 and a light chain variable region having an amino acid sequence set forth in SEQ ID NO: 10.
9 . The pharmaceutical composition according to claim 1 , wherein the anti-BTLA antibody has a heavy chain amino acid sequence set forth in SEQ ID NO: 11 and a light chain amino acid sequence set forth in SEQ ID NO: 12.
10 . The pharmaceutical composition according to claim 1 , wherein the anti-BTLA antibody or the antigen-binding fragment thereof has a concentration of about 5-100 mg/mL.
11 . The pharmaceutical composition according to claim 1 , comprising or consisting of components as shown in any one of (1) to (13) below:
(1) (a) about 10 mg/mL to 50 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 10-30 mM histidine buffer at a pH of about 5.0-6.0; (c) a combination of about 30 mM to about 100 mM sodium chloride and about 50-200 mM trehalose; and (d) about 0.01%-0.05% of polysorbate 80;
(2) (a) about 10 mg/mL to 50 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 10-30 mM histidine buffer at a pH of about 5.0-6.0; (c) a combination of about 30 mM to about 100 mM sodium chloride and about 50-200 mM mannitol; and (d) about 0.01%-0.05% of polysorbate 80;
(3) (a) about 10 mg/mL to 50 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 10-30 mM histidine buffer at a pH of about 5.0-6.0; (c) a combination of about 30 mM to about 100 mM sodium chloride and about 50-200 mM sucrose; and (d) about 0.01%-0.05% of polysorbate 80;
(4) (a) about 10 mg/mL to 50 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 10-30 mM histidine buffer at a pH of about 5.0-6.0; (c) a combination of about 30 mM to about 100 mM sodium chloride and about 50-200 mM sorbitol; and (d) about 0.01%-0.05% of polysorbate 80;
(5) (a) about 10 mg/mL to 50 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 10-30 mM histidine buffer at a pH of about 5.0-6.0; (c) about 100 mM to about 300 mM trehalose; and (d) about 0.01%-0.05% of polysorbate 80;
(6) (a) about 10 mg/mL to 50 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 10-30 mM citric acid buffer at a pH of about 5.5-6.5; (c) about 100 mM to about 300 mM trehalose; and (d) about 0.01%-0.05% of polysorbate 80;
(7) (a) about 10 mg/mL to 50 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 10-30 mM citric acid buffer at a pH of about 5.5-6.5; (c) a combination of about 30 mM to about 100 mM sodium chloride and about 50-200 mM mannitol; and (d) about 0.01%-0.05% of polysorbate 80;
(8) (a) about 10 mg/mL to 50 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 10-30 mM acetic acid buffer at a pH of about 5.0-6.0; (c) a combination of about 30 mM to about 100 mM sodium chloride and about 50-200 mM mannitol; and (d) about 0.01%-0.05% of polysorbate 80;
(9) (a) about 20 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 20 mM histidine buffer at a pH of about 6.0; (c) a combination of about 54 mM sodium chloride and about 132 mM trehalose; and (d) about 0.02% of polysorbate 80;
(10) (a) about 20 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 20 mM histidine buffer at a pH of about 5.5; (c) about 220 mM trehalose; and (d) about 0.02% of polysorbate 80;
(11) (a) about 20 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 20 mM histidine buffer at a pH of about 5.5; (c) a combination of about 50 mM sodium chloride and about 140 mM mannitol; and (d) about 0.02% of polysorbate 80;
(12) (a) about 20 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 20 mM histidine buffer at a pH of about 5.5; (c) a combination of about 50 mM sodium chloride and about 140 mM trehalose; and (d) about 0.02% of polysorbate 80; and
(13) (a) about 20 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; (b) about 20 mM histidine buffer at a pH of about 5.0-6.0; (c) a combination of about 50 mM sodium chloride and about 140 mM trehalose; and (d) about 0.02% of polysorbate 80.
12 . The pharmaceutical composition according to claim 1 , wherein the pharmaceutical composition comprises or consists of: a histidine-histidine hydrochloride buffer at a pH of 5.5±0.3 and with a concentration of 20±5 mM, 40-80 mM sodium chloride, 120-150 mM trehalose, 0.02-0.04% (w/v) of polysorbate 80, and 15-25 mg/mL of the anti-BTLA antibody or the antigen-binding fragment thereof; wherein the anti-BTLA antibody has a heavy chain amino acid sequence set forth in SEQ ID NO: 11 and a light chain amino acid sequence set forth in SEQ ID NO: 12.
13 . (canceled)
14 . The pharmaceutical composition according to claim 2 , wherein the buffer is a histidine-hydrochloride buffer, or is a histidine-histidine hydrochloride buffer.
15 . The pharmaceutical composition according to claim 3 , wherein the buffer has a pH of about 5.0-6.0.
16 . The pharmaceutical composition according to claim 4 , wherein the stabilizer is a combination of trehalose and sodium chloride.
17 . The pharmaceutical composition according to claim 7 , wherein the surfactant has a concentration of about 0.01%-0.05%.
18 . The pharmaceutical composition according to claim 10 , wherein the anti-BTLA antibody or the antigen-binding fragment thereof has a concentration of about about 10-50 mg/mL or has a concentration of 15-25 mg/mL.
19 . A method for treating or preventing BTLA-mediated diseases comprising administering to a subject or patient in need thereof a therapeutically effective amount of the pharmaceutical composition according to claim 1 .
20 . The method according to claim 19 , wherein the diseases are tumors, infectious diseases or autoimmune diseases.
21 . The method according to claim 20 , wherein the tumors include melanoma, breast cancer, renal cancer, prostate cancer, colon cancer, lung cancer, pancreatic cancer, bone cancer, skin cancer, head or neck cancer, uterine cancer, ovarian cancer, rectal cancer, anal cancer, stomach cancer, testicular cancer, small intestine cancer, cervical cancer, vaginal cancer, Hodgkin's disease, non-Hodgkin's lymphoma, esophageal cancer, cancer of the endocrine system, thyroid cancer, carcinoma of adrenal gland, soft tissue cancer, urethral cancer, chronic or acute leukemia, chronic myeloid leukemia, acute lymphoblastic leukemia, chronic lymphocytic leukemia, childhood solid tumor, lymphocytic lymphoma, bladder cancer, kidney or ureteral cancer, renal pelvis cancer, neoplasms of the central nervous system, primary central nervous system lymphoma, tumor angiogenesis, spinal axis tumor, brain stem glioma, pituitary adenoma, Kaposi's sarcoma, epidermoid carcinoma, squamous cell carcinoma, T-cell lymphoma and environmentally induced cancers; the autoimmune diseases include organ-specific autoimmune diseases and systemic autoimmune diseases, wherein the organ-specific autoimmune diseases include chronic lymphocytic thyroiditis, hyperthyroidism, insulin-dependent diabetes mellitus, myasthenia gravis, ulcerative colitis, pernicious anemia with chronic atrophic gastritis, goodpasture's syndrome, pemphigus vulgaris, pemphigoid, primary biliary cirrhosis, multiple sclerosis and acute idiopathic polyneuritis; and the systemic autoimmune diseases include systemic lupus erythematosus, rheumatoid arthritis, systemic vasculitis, scleroderma, pemphigus, dermatomyositis, mixed connective tissue disease, autoimmune hemolytic anemia and ulcerative colitis.