Yongchang Zhang

2 trials changed in the last 30 days: 0 stopped, 0 with notable changes, 2 with minor changes only.

1. Minor

   2 trials marked Unknown by the registry's verification sweep

   1. Minor

      PD-1 Combined With Pyrotinib for Chemotherapy Failure HER2…PD-1 Combined With Pyrotinib for Chemotherapy Failure HER2 Insertion Mutation Advanced NSCLC

      Registry marked status Unknown (sponsor has not verified the record since Sep 2024); last known: Recruiting

      Yongchang Zhang·Phase 2· NCT04144569· Registry history of NCT04144569 on ClinicalTrials.gov (opens the registry)

      Changed Oct 4, 2026

   2. Minor

      Immunotherapy With Rare Mutations in Non-small Cell Lung Cancer

      Registry marked status Unknown (sponsor has not verified the record since Sep 2024); last known: Recruiting

      Yongchang Zhang·Not specified· NCT04777175· Registry history of NCT04777175 on ClinicalTrials.gov (opens the registry)

      Changed Oct 4, 2026

   Registry verification sweep

   Changed Oct 4, 2026

• Stopped: an ongoing trial was terminated, suspended or withdrawn.
• Notable: the trial’s plan changed such as a big move in its timeline or size, a new primary endpoint, sponsor or phase, or recruiting opened or resumed.
• Minor: routine progress and housekeeping, such as sites added or enrollment closed.