The IMPRINTER study is an ongoing open-label dose escalation study of IMU-201 as monotherapy (Phase 1)...for patients with PD-L1 expressing non-small cell lung cancer (NSCLC)….In Phase 1, four patients were enrolled into each of the three cohorts at 10 μg/dose, 50 μg/dose and 100 μg/dose IMU-201 with no DLTs observed. In the 10 μg/dose cohort, one patient achieved CR and one patient SD; in the 50 μg/dose cohort, four patients achieved SD; and in the 100 μg/dose cohort, one patient achieved PR and two patients achieved SD....IMU-201 had no observed DLT and demonstrated preliminary signs of efficacy.