Having initiated its first two clinical trials in non-small-cell lung cancer since January, Nuvalent Inc. said it expects to unveil preliminary dose-escalation data before year-end. Ahead of the data, Nuvalent's phase I/II Arros-1 trial evaluating NVL-520, a kinase inhibitor, in patients with advanced ROS1-positive NSCLC and other solid tumors, continues to enroll participants.