Abstract: The present disclosure relates to a crystal form of a pyridopyrimidine derivative and a preparation method thereof, and specifically relates to the crystal form of the compound of formula (I) and a preparation method thereof. The new crystal form has good physical and chemical properties, thereby facilitating clinical treatments.

Abstract: The present disclosure relates to a CD3 antibody and a pharmaceutical use thereof. Specifically, the present disclosure relates to forming a multi-specificity antibody by using CD3 antibody and binding molecules of another target. The multi-specificity antibody may simultaneously bind to CD3 and another tumor-associated antigen, and bind and activate CD3-positive T cells while binding tumor-associated antigen-expressing cells, thereby promoting T cells specifically killing tumor cells that express tumor-associated antigens. In addition, the present disclosure also provides a preparation and application of a multi-specific antibody.

Abstract: Provided are an IL-5 antibody, an antigen binding fragment thereof, and a medical application therefor. The present invention comprises a mouse-derived antibody containing an IL-5 antibody CDR region, a chimeric antibody, a humanized antibody, and a pharmaceutical composition comprising said IL-5 antibody and said antigen binding fragment thereof, as well as the use of the pharmaceutical composition as a drug.

Abstract: The present disclosure provides the use of an anti-PD-1 antibody in combination with famitinib in the preparation of a drug for treating tumors. In the present technical solution, toxicity is controllable and tolerable. At the same time, the described drug combination effectively reduces adverse reactions to the anti-PD-1 antibody, such as the occurrence of reactive capillary endothelial proliferation.

Abstract: The present invention provides an anti-ox40 antibody, an antigen-binding fragment thereof, and the pharmaceutical use. Further, the present application provides a chimeric antibody and a humanized antibody, the chimeric antibody and the humanized antibody comprising a CDR region from the anti-OX40 antibody and the antigen-binding fragment thereof, and also provides a pharmaceutical composition comprising the anti-OX40 antibody and the antigen-binding fragment thereof, and the use thereof as a drug for treating cancers.

Abstract: The present invention relates to benzimidazole derivatives of formula (I) as inhibitors of retinoid-related orphan receptor gamma (ROR?) protein, pharmaceutical compositions containing the compounds, preparation methods thereof, and the use of the compounds as therapeutic agents for the treatment of ROR?-mediated diseases or disorders.

Abstract: Disclosed are a pyridopyrimidine derivative as shown in general formula (I), a preparation method therefor and a pharmaceutical composition containing the derivative, and the use thereof as a therapeutic agent, particularly as a TLR8 agonist, wherein each substituent of general formula (I) is the same as those defined in the description.

Abstract: Provided are a LAG-3 antibody, an antigen-binding fragment thereof, and a pharmaceutical application thereof. Further, provided are a chimeric antibody comprising a CDR of the LAG-3 antibody, a humanized antibody, a pharmaceutical composition comprising the LAG-3 antibody and the antigen-binding fragment thereof, and an application of the pharmaceutical composition as an antineoplastic drug. Particularly, provided is an application of a humanized LAG-3 antibody in preparation of drugs for treatment of diseases involving immune cells.

Abstract: Disclosed is the use of a combination of an anti-PD-1 antibody and a VEGFR inhibitor in the preparation of a drug for treating cancers.

Abstract: The present invention relates to a PD-L1 antibody, antigen-binding fragments, and medical application thereof. Further, the present invention relates to chimeric antibodies and humanized antibodies comprising the CDR regions of the present PD-L1 antibody, as well as a pharmaceutical composition comprising the present PD-L1 antibody and the antigen-binding fragments thereof, and their use as anti-cancer drugs. In particular, the present invention relates to a humanized PD-L1 antibody and its use in preparation of a medicament for the treatment of PD-L1 mediated disease or disorder.

Abstract: The present invention provides a PD-L1 antibody pharmaceutical composition and use thereof. In particular, the present invention provides a pharmaceutical composition comprising the PD-L1 antibody or an antigen-binding fragment thereof in a succinate buffer. In addition, the pharmaceutical composition may also contain a sugar and a nonionic surfactant.

Abstract: This application discloses a new class of fused tricyclic heterocycles of formula (I), preparation methods thereof, pharmaceutical compositions comprising these compounds, and pharmaceutically acceptable salts, solvates, or prodrugs thereof, and their uses for the treatment of diseases in which modulation of STING is beneficial, for example, cancers, pre-cancerous disorders, and viral infections.

Abstract: Provided are an anti-CD40 antibody, an antigen binding fragment thereof, and a medical use thereof. Also provided are a chimeric antibody and a humanized antibody including a CDR region of the anti-CD40 antibody, a pharmaceutical composition including the human anti-CD40 antibody and the antigen binding fragment thereof, and an application thereof as an anti-cancer drug. In particular, provided are a humanized anti-CD40 antibody, and an application thereof in preparation of a drug to treat a CD40-mediated disease or disorder.

Abstract: A TIGIT antibody, an antigen-binding fragment thereof, and a medical use thereof. The present invention relates to a murine antibody, a chimeric antibody, and a humanized antibody comprising a CDR region of the TIGIT antibody, and a pharmaceutical composition comprising the TIGIT antibody and the antigen-binding fragment thereof, and a use thereof as a medicament. In particular, the present invention also relates to a use of a humanized TIGIT antibody for preparing a medicament for the treatment of TIGIT-associated diseases or conditions.

Abstract: The present invention relates to benzimidazole derivatives of formula (I) as inhibitors of retinoid-related orphan receptor gamma (ROR?) protein, pharmaceutical compositions containing the compounds, preparation methods thereof, and the use of the compounds as therapeutic agents for the treatment of ROR?-mediated diseases or disorders.

Abstract: A pharmaceutical composition containing an SOST antibody or an antigen-binding fragment thereof in an acetic acid-sodium acetate buffer solution is described. In addition, the pharmaceutical composition can also contain sugar, a nonionic surfactant or other excipients. After being stored for several months, the pharmaceutical composition exhibits good antibody stability.

Abstract: Disclosed is the use of a KOR agonist in combination with a MOR agonist in preparing a drug for treating pain. The KOR agonist is selected from a compound as shown in the general formula (I), and the MOR agonist is selected from a compound as shown in the general formula (II), wherein the definitions of each substituent in the general formula (I) and (II) are the same as defined in the description.

Abstract: Provided is a preparation method for a tyrosine kinase inhibitor and an intermediate thereof. Specifically, a preparation method for a cyanoquinoline compound is provided. The method has a high yield, good product purity, and mild reaction conditions.

Abstract: Provided are an IL-5 antibody, an antigen binding fragment thereof, and a medical application therefor. The present invention comprises a mouse-derived antibody containing an IL-5 antibody CDR region, a chimeric antibody, a humanized antibody, and a pharmaceutical composition comprising said IL-5 antibody and said antigen binding fragment thereof, as well as the use of the pharmaceutical composition as a drug.

Abstract: The present invention provides a human PD-1 antibody, an antigen-binding fragment thereof, and medical use thereof, and further provides a chimeric antibody and humanized antibodies comprising a complementarity-determining region (CDR) of the antibody, a pharmaceutical composition comprising the human PD-1 antibody and the antigen-binding fragment thereof, and use of the antibody in preparing medicines for treating diseases or disorders.