760 Interim PK/PD, safety and efficacy data of monotherapy dose escalation of a phase 1/2 study with MDNA11 in patients with advanced solid tumors by Kim Margolin, Victoria Atkinson, Charlotte Lemech, Philippe Bedard, Przemyslaw Twardowski, Sajeve Thomas, Amy Prawira, Arash Yavari, Peter Lloyd, Warren Brenner, Rosemina Merchant, Carole Galligan, Fahar Merchant, Minh D To, Melissa Coello, Jesus Fuentes Antras, Sudhir Madduri Karanam, Matthen Mathew