A Study of XZP-5955 Tablets in Patients With NTRK or ROS1 Fusion Positive Locally Advanced or Metastatic Solid Tumors

"Phase I dose escalation:~For each dose cohort, XZP-5955 tablet will be administered orally, single dose for day 1 and then from day 4, administered for continuous cycles of 21 consecutive days for each cycle~Phase I dose expansion:~XZP-5955 tablet will be administered orally, once daily for continuous cycles of 21 consecutive days for each cycle. Some patients for PK sample collection, the drug will be administered single dose for day 1, then from day 4, administered for continuous cycles of 21 consecutive days for each cycle~Phase II:~XZP-5955 tablet will be administered orally, once daily for continuous cycles of 21 consecutive days for each cycle"