SEATTLE--(BUSINESS WIRE)--Seattle Genetics, Inc. (Nasdaq:SGEN) today reported data from a phase I clinical trial of SGN-75 in patients with non-Hodgkin lymphoma or renal cell carcinoma (RCC). Preliminary results demonstrate tolerability and antitumor activity, including two objective responses in the first 16 patients treated. Dose-escalation is continuing. SGN-75 is an antibody-drug conjugate (ADC) targeted to CD70. The data were presented at the 35th European Society for Medical Oncology (ESMO) Congress being held in Milan, Italy.