deltatrials
Recruiting OBSERVATIONAL NCT05598528

Exploring the Mechanism of Primary Resistance to Third-generation EGFR-TKIs as First-line Treatment in EGFR-positive Advanced NSCLC (PRECISE Study) (PRECISE)

A Multicenter Clinical Study to Explore the Mechanism of Primary Resistance to Third-generation EGFR-TKIs as First-line Treatment in EGFR-positive Advanced NSCLC (PRECISE Study)

Sponsor: Changsha Central Hospital

Updated 10 times since 2022 Last updated: Nov 27, 2024 Started: Sep 28, 2021 Primary completion: Dec 31, 2025 Completion: Dec 31, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This observational or N/A phase trial investigates Circulating Tumor DNA and EGFR Gene Mutation and is currently actively recruiting participants. Changsha Central Hospital leads this study, which shows 10 recorded versions since 2021 — indicating substantial longitudinal coverage. As an oncology study, it adds to the longitudinal record of treatment development for this indication.

Status Flow

~Nov 2022 – ~Apr 2023 · 5 months · monthly snapshotRecruiting~Apr 2023 – ~Sep 2023 · 5 months · monthly snapshotRecruiting~Sep 2023 – ~Jul 2024 · 10 months · monthly snapshotRecruiting~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotRecruiting~Sep 2024 – ~Dec 2024 · 3 months · monthly snapshotRecruiting~Dec 2024 – ~May 2025 · 5 months · monthly snapshotRecruiting~May 2025 – ~Jun 2025 · 31 days · monthly snapshotRecruiting~Jun 2025 – ~Aug 2025 · 2 months · monthly snapshotRecruiting~Aug 2025 – ~Sep 2025 · 31 days · monthly snapshotRecruiting~Sep 2025 – present · 11 months · monthly snapshotRecruiting

Change History

10 versions recorded
  1. Sep 2025 — Present [monthly]

    Recruiting

  2. Aug 2025 — Sep 2025 [monthly]

    Recruiting

  3. Jun 2025 — Aug 2025 [monthly]

    Recruiting

  4. May 2025 — Jun 2025 [monthly]

    Recruiting

  5. Dec 2024 — May 2025 [monthly]

    Recruiting

Show 5 earlier versions
  1. Sep 2024 — Dec 2024 [monthly]

    Recruiting

  2. Jul 2024 — Sep 2024 [monthly]

    Recruiting

  3. Sep 2023 — Jul 2024 [monthly]

    Recruiting

  4. Apr 2023 — Sep 2023 [monthly]

    Recruiting

  5. Nov 2022 — Apr 2023 [monthly]

    Recruiting

    First recorded

Sep 2021

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Changsha Central Hospital
  • Changsha County first People's Hospital
  • China-Japan Friendship Hospital
  • First Affiliated Hospital of Guangxi Medical University
  • First Affiliated Hospital of Kunming Medical University
  • First Hospital of Changsha
  • First People's Hospital of Chenzhou
  • Fudan University
  • Guiyang Public Health Treatment Center
  • Hengyang Central Hospital
  • Huaihua first people's Hospital
  • Hunan Academy of Traditional Chinese Medicine Affiliated Hospital
  • Hunan Cancer Hospital
  • Hunan Provincial People's Hospital
  • Hunan Provincial Straight Hospital of Traditional Chinese Medicine
  • Hunan University of Traditional Chinese Medicine
  • Liuyang Hospital of traditional Chinese Medicine
  • Loudi Central Hospital
  • People's Hospital of Zhangjiajie
  • Renmin Hospital of Wuhan University
  • Second Affiliated Hospital, School of Medicine, Zhejiang University
  • Second People's Hospital Of Huaihua
  • Second People's Hospital of Hunan
  • Second Xiangya Hospital of Central South University
  • Shanghai Chest Hospital
  • Shaoyang Central Hospital
  • The Affiliated Bethune Hospital of Shanxi Medical University
  • The First Affiliated Hospital of Nanchang University
  • The First Affiliated Hospital of University of South China
  • The First Affiliated Hospital of Xiamen University
  • The First People's Hospital of Changde City
  • The First People's Hospital of Xiangtan
  • The Third Hospital of Changsha
  • The Third Xiangya Hospital of Central South University
  • The first people's hospital of Guiyang
  • Tongji Hospital
  • Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
  • University of South China Affiliated Nanhua Hospital
  • West China Hospital
  • Xiangtan Central Hospital
  • Xiangxi Autonomous Prefecture People's Hospital
  • Xiangya Changde Hospital
  • Xiangya Hospital of Central South University
  • Yiyang Central Hospital
  • Yongzhou Central Hospital
  • Yueyang Central Hospital
  • ZhuZhou Central Hospital
  • Zhuzhou Second Hospital
Data source: Second Xiangya Hospital of Central South University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations