Heidelberg Pharma AG, formerly Wilex AG, is a Germany-based company engaged in the biopharmaceuticals sector. The Company focuses on the research and development of therapy treatments for oncology area. It aims at applying toxin Amanitin into cancer therapies using its Antibody Targeted Amanitin Conjugate (ATAC) technology. The Company’s pipeline includes a number of drug candidates, such as HDP-101, a B-cell maturation antigen ATAC for multiple myeloma; PSMA-ATAC, prostate-specific membrane antigens, and CD19-ATAC, a B-lymphocyte antigen. Through partnerships, the Company develops clinical assets, including MESUPRON, REDECTANE and RENCAREX. It also offers preclinical contract research services.