The present application relates to antibodies which bind specifically to chelated radionuclides, including bispecific antibodies. It further relates to the use of such bispecific antibodies in applications such as radioimmunoimaging and radioimmunotherapy. It additionally relates to clearing agents and compositions useful in such methods. The chelated radionuclides may be a DOTAM-lead (Pb) chelate.

The present invention provides a chimeric antigen receptor (CAR), comprising an extracellular part, at least one intracellular signaling domain, and at least one transmembrane domain, wherein the extracellular part of said CAR comprises a) at least one antigen binding domain, and b) at least one cytokine receptor activating or blocking domain. The invention also provides isolated nucleic acid molecule(s) encoding for the said CAR, a cell comprising said nucleic acid molecule(s), a cell expressing said CAR and therapeutic uses of said CAR.

Provided herein are antibodies (e.g., humanized antibodies) binding to CD40 and bi-specific antibodies comprising such for targeting both CD40 and a second suitable antigen such as a tumor antigen or an immune checkpoint molecule. Examples of the second antigen include PD-1, PD-L1, HER2, B7H3, B7H4, netrotic tumor cells (TNT), or CEA. Also provided herein are therapeutic uses of such antibodies.

An anti-CEA antibody-exatecan analog conjugate and a pharmaceutical use thereof. Specifically, the anti-CEA antibody-exatecan analog conjugate is as shown in general formula (Pc-L-Y-D), wherein Pc is an anti-CEA antibody or an antigen-binding fragment thereof; L is a linker unit; Y is selected from —O—(CR.sup.aR.sup.b).sub.m—CR.sup.1R.sup.2—C(O)—, —O—CR.sup.1R.sup.2—(CR.sup.aR.sup.b).sub.m—, —O—CR.sup.1R.sup.2—, —NH—(CR.sup.aR.sup.b).sub.m—CR.sup.1R.sup.2—C(O)—, and —S—(CR.sup.aR.sup.b).sub.m—CR.sup.1R.sup.2—C(O); and n is a decimal or integer from 1 to 10.

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Some embodiments provided herein are chimeric costimulatory antigen receptor (CoStAR), useful in adoptive cell therapy (ACT), and cells comprising the CoStAR. In some embodiments, the CoStAR can act as a modulator of cellular activity enhancing responses to defined antigens. In some embodiments, CoStAR and/or fusion proteins, nucleic acids encoding the CoStAR and therapeutic uses thereof are also provided.

The present invention relates to methods of treating a disease, and methods for reduction of the formation of anti-drug antibodies (ADAs) in response to the administration of a therapeutic agent. The invention further relates to methods of treating a disease, particularly a B-cell proliferative disorder, and methods for reduction of adverse effects in response to the administration of a therapeutic agent, particularly a T-cell activating therapeutic agent.

The invention relates to new bispecific antigen binding molecules, comprising at least one antigen binding domain capable of specific binding to 4-1BB, at least one moiety capable of specific binding to a target cell antigen, and a Fc domain composed of a first and a second subunit capable of stable association, and to methods of producing these molecules and to methods of using the same.

[Object] To provide a fusion protein of an antibody that recognizes cancer cells and a mutant streptavidin, which is for use in the treatment or diagnosis of cancer.

[Means for Solution] A fusion protein comprising a protein-recognizing substance and the amino acid sequence as set forth in SEQ ID NO: 19 that is fused with the protein-recognizing substance.

The invention provides immunoconjugates of Formula I comprising an antibody linked by conjugation to one or more 8-amido-2-aminobenzazepine derivatives. The invention also provides 8-amido-2-aminobenzazepine derivative intermediate compositions comprising a reactive functional group. Such intermediate compositions are suitable substrates for formation of the immunoconjugates through a linker or linking moiety. The invention further provides methods of treating cancer with the immunoconjugates.

The present invention concerns antibody-conjugates comprising an anti-CEACAM5-antibody for use for treating cancer in combination with folinic acid, 5-fluoro-uracil and irinotecan (FOLFIRI). The invention further relates to pharmaceutical compositions and kit-of-parts comprising an anti-CEACAM5-antibody in combination with folinic acid, 5-fluoro-uracil and irinotecan (FOLFIRI) for use for treating cancer.