ADC Therapeutics SA provides antibody drug conjugate (ADC) technology platform in Switzerland and the United States. Its flagship product includes ZYNLONTA, a CD19-directed ADC, received accelerated approval from the U.S. Food and Drug Administration, conditional approval from the European Commission, and conditional approval from the China National Medical Products Administration for the treatment of relapsed or refractory diffuse large B-cell lymphoma (DLBCL) after two or more lines of systemic therapy. The company is also seeking to continue expanding ZYNLONTA into international markets and into earlier lines of DLBCL and indolent lymphomas, including follicular lymphoma (FL) and marginal zone lymphoma (MZL) as a single agent and in combination through its LOTIS-5 confirmatory Phase 3 clinical trial and LOTIS-7 Phase 1b clinical trial, as well as through investigator-initiated trials (IITs). In addition, it is investigating a CD-22 targeted compound' and ADCT-602 that is in a Phase 1/2 IIT in refractory B-cell acute lymphoblastic leukemia. Further, the company's pre-clinical stage pipeline includes a portfolio of next generation investigational ADCs targeting Claudin-6, NaPi2b, PSMA, NaPi2b, and ASCT2. ADC Therapeutics SA was incorporated in 2011 and is headquartered in Epalinges, Switzerland.