Abstract: The present invention relates to uses of bispecific antibodies exhibiting cross-species specificity for evaluating the in vivo safety and/or activity and/or pharmacokinetic profile of the same in non-human species and humans. The present invention moreover relates to methods for evaluating the in vivo safety and/or activity and/or pharmacokinetic profile of said bispecific antibodies exhibiting cross-species specificity. The present invention also relates to methods of measuring the biological activity and/or efficacy of such bispecific antibodies exhibiting cross-species specificity. In addition, the present invention relates to pharmaceutical compositions comprising bispecific single chain antibodies exhibiting cross-species specificity and to methods for the preparation of pharmaceutical compositions comprising said bispecific single chain antibodies exhibiting cross-species specificity for the treatment of diseases.

Abstract: The present invention provides to a antibody construct comprising a first human binding domain capable of binding to human CDH19 on the surface of a target cell and a second domain capable of binding to human CD3 on the surface of a T cell. Moreover, the invention relates to a nucleic acid sequence encoding the antibody construct, a vector comprising said nucleic acid sequence and a host cell transformed or transfected with said vector. Furthermore, the invention relates a process for the production of the antibody construct of the invention, a medical use of said antibody construct and a kit comprising said antibody construct.

Abstract: The present invention relates to a polypeptide comprising a human binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3 (epsilon) chain as well as to a process for the production of the mentioned polypeptide. The invention further relates to nucleic acids encoding for the polypeptide, to vectors comprising the same and to host cells comprising the vector. In another aspect, the invention provides for a pharmaceutical composition comprising the mentioned polypeptide and medical uses of the polypeptide. In a further aspect the invention provides a method for the identification of polypeptides comprising a cross-species specific binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3? (CD3 epsilon).

Abstract: The present invention relates to a bispecific single chain antibody molecule comprising a first binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3 epsilon chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain capable of binding to prostate-specific membrane antigen (PSMA). The invention also provides nucleic acids encoding said bispecific single chain antibody molecule as well as vectors and host cells and a process for its production. The invention further relates to pharmaceutical compositions comprising said bispecific single chain antibody molecule and medical uses of said bispecific single chain antibody molecule.

Abstract: The present invention provides bispecific antigen-binding molecules characterized by comprising a first and a second domain, each binding to any of CS1, BCMA, CD20, CD22, FLT3, CD123, CLL1, MSLN, CDH3 or EpCAM, a third domain binding to an extracellular epitope of the human and the Macaca CD3? chain and optionally a fourth domain, which is a Fc modality. Moreover, the invention provides a polynucleotide, encoding the antigen-binding molecule, a vector comprising this polynucleotide, host cells, expressing the construct and a pharmaceutical composition comprising the same.

Abstract: The invention provides a bispecific antibody construct comprising a first human binding domain capable of binding to human CDH19 on the surface of a target cell and a second domain capable of binding to human CD3 on the surface of a T cell. Moreover, the invention provides a nucleic acid encoding the antibody construct, a vector comprising the nucleic acid and a host cell transformed or transfected with the vector. Furthermore, the invention provides a process for the production of the bispecific antibody construct, a medical use of the antibody construct and a kit comprising the antibody construct. The bispecific antibody construct may be useful in the treatment of melanoma.

Abstract: The present invention relates to a binding molecule which is at least bispecific comprising a first and a second binding domain, wherein the first binding domain is capable of binding to epitope cluster 3 of BCMA, and the second binding domain is capable of binding to the T cell CD3 receptor complex. Moreover, the invention provides a nucleic acid sequence encoding the binding molecule, a vector comprising said nucleic acid sequence and a host cell transformed or transfected with said vector. Furthermore, the invention provides a process for the production of the binding molecule of the invention, a medical use of said binding molecule and a kit comprising said binding molecule.

Abstract: The present invention relates to a bispecific single chain antibody molecule comprising a first binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3 epsilon chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain capable of binding to prostate-specific membrane antigen (PSMA). The invention also provides nucleic acids encoding said bispecific single chain antibody molecule as well as vectors and host cells and a process for its production. The invention further relates to pharmaceutical compositions comprising said bispecific single chain antibody molecule and medical uses of said bispecific single chain antibody molecule.

Abstract: The present invention relates to a binding molecule which is at least bispecific comprising a first and a second binding domain, wherein the first binding domain is capable of binding to epitope cluster 3 of BCMA, and the second binding domain is capable of binding to the T cell CD3 receptor complex. Moreover, the invention provides a nucleic acid sequence encoding the binding molecule, a vector comprising said nucleic acid sequence and a host cell transformed or transfected with said vector. Furthermore, the invention provides a process for the production of the binding molecule of the invention, a medical use of said binding molecule and a kit comprising said binding molecule.

Abstract: The present invention relates to a binding molecule which is at least bispecific comprising a first and a second binding domain, wherein the first binding domain is capable of binding to epitope cluster 3 of BCMA, and the second binding domain is capable of binding to the T cell CD3 receptor complex. Moreover, the invention provides a nucleic acid sequence encoding the binding molecule, a vector comprising said nucleic acid sequence and a host cell transformed or transfected with said vector. Furthermore, the invention provides a process for the production of the binding molecule of the invention, a medical use of said binding molecule and a kit comprising said binding molecule.

Abstract: The present invention relates to a bispecific single chain antibody molecule comprising a first binding domain consisting of one antibody variable domain capable of binding to an epitope of the human and non-chimpanzee primate CD3 epsilon chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain capable of binding to an epitope of a human and a non-chimpanzee primate tumor target antigen. The invention further relates to a bispecific single chain antibody molecule comprising a first binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3? (epsilon) chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain consisting of one antibody variable domain capable of binding to an epitope of a human and a non-chimpanzee primate tumor target antigen.

Abstract: The present invention provides a bispecific antibody construct comprising a first binding domain specifically binding to a target such as CD33 and a second binding domain specifically binding to an effector such as CD3 for use in a method for the treatment of myeloid leukemia, wherein the construct is administered in one or more treatment cycles of more than 14 days applying a step dosing comprising at least two steps, a treatment cycle optionally followed by a period without administration of the construct. Moreover, the invention provides a method for the treatment of myeloid leukemia comprising the administration of a therapeutically efficient amount of such bispecific antibody construct and the use of such bispecific antibody construct for the preparation of a pharmaceutical composition for the treatment of myeloid leukemia.

Abstract: The present invention relates to a bispecific single chain antibody molecule comprising a first binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3 epsilon chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain capable of binding to prostate-specific membrane antigen (PSMA). The invention also provides nucleic acids encoding said bispecific single chain antibody molecule as well as vectors and host cells and a process for its production. The invention further relates to pharmaceutical compositions comprising said bispecific single chain antibody molecule and medical uses of said bispecific single chain antibody molecule.

Abstract: The present invention relates to a bispecific single chain antibody molecule comprising a first binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3 epsilon chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain capable of binding to prostate-specific membrane antigen (PSMA). The invention also provides nucleic acids encoding said bispecific single chain antibody molecule as well as vectors and host cells and a process for its production. The invention further relates to pharmaceutical compositions comprising said bispecific single chain antibody molecule and medical uses of said bispecific single chain antibody molecule.

Abstract: The present invention provides a bispecific construct comprising a first binding domain specifically binding to CD33 and a second binding domain specifically binding to CD3 for use in a method for the treatment of myeloid leukemia, wherein the construct is administered for a maximal period of 14 days followed by a period of at least 14 days without administration of the construct. Moreover, the invention provides a method for the treatment of myeloid leukemia comprising the administration of a therapeutically efficient amount of such bispecific construct and the use of such bispecific construct for the preparation of a pharmaceutical composition for the treatment of myeloid leukemia.

Abstract: The present invention relates to a bispecific single chain antibody molecule comprising a first binding domain consisting of one antibody variable domain capable of binding to an epitope of the human and non-chimpanzee primate CD3 epsilon chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain capable of binding to an epitope of a human and a non-chimpanzee primate tumor target antigen. The invention further relates to a bispecific single chain antibody molecule comprising a first binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3? (epsilon) chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain consisting of one antibody variable domain capable of binding to an epitope of a human and a non-chimpanzee primate tumor target antigen.

Abstract: The present invention relates to a bispecific single chain antibody molecule comprising a first binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3 epsilon chain, wherein the epitope is part of an amino acid sequence comprised in the group consisting of SEQ ID NOs. 2, 4, 6, and 8, and a second binding domain capable of binding to an antigen selected from the group consisting of Prostate Stem Cell Antigen (PSCA), B-Lymphocyte antigen CD19 (CD19), hepatocyte growth factor receptor (C-MET), Endosialin, the EGF-like domain 1 of EpCAM, encoded by exon 2, Fibroblast activation protein alpha (FAP alpha) and Insulin-like growth factor I receptor (IGF-IR or IGF-1R). The invention also provides nucleic acids encoding said bispecific single chain antibody molecule as well as vectors and host cells and a process for its production.

Abstract: The present invention relates to a binding molecule which is at least bispecific comprising a first and a second binding domain, wherein the first binding domain is capable of binding to epitope cluster3 of BCMA, and the second binding domain is capable of binding to the Tcell CD3 receptor complex. Moreover, the invention provides a nucleic acid sequence encoding the binding molecule, a vector comprising said nucleic acid sequence and a host cell transformed or transfected with said vector. Furthermore, the invention provides a process for the production of the binding molecule of the invention, a medical use of said binding molecule and a kit comprising said binding molecule.

Abstract: The present invention relates to a binding molecule comprising a first and a second binding domain, wherein the first binding domain is capable of binding to epitope clusters of BCMA, and the second binding domain is capable of binding to the T cell CD3 receptor complex. Moreover, the invention provides a nucleic acid sequence encoding the binding molecule, a vector comprising said nucleic acid sequence and a host cell transformed or transfected with the vector. Furthermore, the invention provides a process for the production of the binding molecule of the invention, a medical use of the binding molecule and a kit comprising the binding molecule.

Abstract: The present invention relates to a polypeptide comprising a first human binding domain capable of binding to an epitope of human and non-chimpanzee primate CD3 (epsilon) chain and a second binding domain capable of binding to EGFR, Her2/neu or IgE of a human and/or a non-chimpanzee primate as well as to a process for the production of the mentioned polypeptide. The invention further relates to nucleic acids encoding for the polypeptide, to vectors comprising the same and to host cells comprising the vector. In another aspect, the invention provides for a pharmaceutical composition comprising the mentioned polypeptide and medical uses of the polypeptide.