ADC Therapeutics SA is a commercial-stage oncology-focused biotechnology company. It is involved in the development of antibody-drug conjugates for patients suffering from hematological malignancies and solid tumors. The company's FDA-approved and marketed product, ZYNLONTA (loncastuximab tesirine), is a CD19-directed antibody and alkylating agent conjugate indicated for the treatment of adult patients with relapsed or refractory large B-cell lymphoma after two or more lines of systemic therapy. In addition, it also has various other product candidates in its pipeline, such as ADCT-602, Claudin-6, PSMA, NaPi2b, and ASCT2. Geographically, the company generates maximum revenue from the United States, followed by Europe, the Middle East and Africa (EMEA).