deltatrials
Completed OBSERVATIONAL NCT00693875

The Incidence of Intra-Operative Awareness in China and Analysis of Relevant Factors: a Multicentre Study

Sponsor: Beijing Chao Yang Hospital

Conditions Intra-Operative Awareness
Updated 12 times since 2017 Last updated: Jan 27, 2009 Started: Apr 30, 2007 Primary completion: Apr 30, 2008 Completion: Jun 30, 2008
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT00693875, this observational or N/A phase trial focuses on Intra-Operative Awareness and remains completed. Sponsored by Beijing Chao Yang Hospital, it has been updated 12 times since 2007, reflecting substantial change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2017 – ~Jun 2017 · 5 months · monthly snapshotCompleted~Jun 2017 – ~Apr 2018 · 10 months · monthly snapshotCompleted~Apr 2018 – ~Jun 2018 · 2 months · monthly snapshotCompleted~Jun 2018 – ~Oct 2018 · 4 months · monthly snapshotCompleted~Oct 2018 – ~Jan 2021 · 27 months · monthly snapshotCompleted~Jan 2021 – ~Oct 2021 · 9 months · monthly snapshotCompleted~Oct 2021 – ~Jul 2023 · 21 months · monthly snapshotCompleted~Jul 2023 – ~Jul 2024 · 12 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Aug 2025 · 11 months · monthly snapshotCompleted~Aug 2025 – ~Sep 2025 · 31 days · monthly snapshotCompleted~Sep 2025 – present · 9 months · monthly snapshotCompleted

Change History

12 versions recorded

  1. Sep 2025 — Present [monthly]

    Completed

  2. Aug 2025 — Sep 2025 [monthly]

    Completed

  3. Sep 2024 — Aug 2025 [monthly]

    Completed

  4. Jul 2024 — Sep 2024 [monthly]

    Completed

  5. Jul 2023 — Jul 2024 [monthly]

    Completed

▶ Show 7 earlier versions

  1. Oct 2021 — Jul 2023 [monthly]

    Completed

  2. Jan 2021 — Oct 2021 [monthly]

    Completed

  3. Oct 2018 — Jan 2021 [monthly]

    Completed

  4. Jun 2018 — Oct 2018 [monthly]

    Completed

  5. Apr 2018 — Jun 2018 [monthly]

    Completed

    Phase: NA → None

  6. Jun 2017 — Apr 2018 [monthly]

    Completed NA

  7. Jan 2017 — Jun 2017 [monthly]

    Completed NA

    First recorded

Apr 2007

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Beijing Chao Yang Hospital
  • Beijing Command General Hospital
  • Beijing Friendship Hospital
  • Beijing Hangtian General Hospital
  • Beijing Hospital
  • Beijing Obstetrics and Gynecology Hospital
  • Beijing Tongren Hospital
  • Capital Medical University
  • China-Japan Friendship Hospital
  • First Affiliated Hospital Xi'an Jiaotong University
  • First Hospital of China Medical University
  • Fuzhou General Hospital
  • Guangzhou First People's Hospital
  • Nanfang Hospital, Southern Medical University
  • Ningbo Medical Center Lihuili Hospital
  • Peking University First Hospital
  • Peking University Third Hospital
  • Second Affiliated Hospital of Xi'an Jiaotong University
  • Shanghai Rui Jin Hospital
  • Shanghai Zhongshan Hospital
  • Tang-Du Hospital
  • The First Hospital of Jilin University
  • Union Hospital, Tongji Medical College, Huazhong University of Science and Technology
  • Xiangya Hospital of Central South University
  • Xijing Hospital
  • Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
  • Xuanwu Hospital, Beijing
Data source: Capital Medical University

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

Study Locations