deltatrials
Active Not Recruiting PHASE3 INTERVENTIONAL 2-arm NCT03089905

A Study to Compare the Long-term Outcomes After Two Different Anaesthetics (TREX)

Neurodevelopmental Outcome After Standard Dose Sevoflurane Versus Low-dose Sevoflurane/Dexmedetomidine/Remifentanil Anaesthesia in Young Children- The TREX Trial

Sponsor: Baylor College of Medicine

Updated 19 times since 2017 Last updated: Jul 30, 2025 Started: Aug 10, 2017 Primary completion: Mar 31, 2026 Completion: Jun 30, 2026
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE3 clinical study on Anesthesia and Child Development, this trial is ongoing. The trial is conducted by Baylor College of Medicine and has accumulated 19 data snapshots since 2017. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

~May 2017 – ~Sep 2017 · 4 months · monthly snapshot~Sep 2017 – ~Oct 2017 · 30 days · monthly snapshot~Oct 2017 – ~Jun 2018 · 8 months · monthly snapshot~Jun 2018 – ~Mar 2019 · 9 months · monthly snapshot~Mar 2019 – ~Sep 2020 · 18 months · monthly snapshot~Sep 2020 – ~Nov 2020 · 2 months · monthly snapshot~Nov 2020 – ~Jan 2021 · 2 months · monthly snapshot~Jan 2021 – ~May 2021 · 4 months · monthly snapshot~May 2021 – ~Oct 2021 · 5 months · monthly snapshot~Oct 2021 – ~Apr 2022 · 6 months · monthly snapshot~Apr 2022 – ~Sep 2022 · 5 months · monthly snapshot~Sep 2022 – ~Mar 2023 · 6 months · monthly snapshot~Mar 2023 – ~Jun 2023 · 3 months · monthly snapshot~Jun 2023 – ~Nov 2023 · 5 months · monthly snapshot~Nov 2023 – ~Jul 2024 · 8 months · monthly snapshot~Jul 2024 – ~Aug 2024 · 31 days · monthly snapshot~Aug 2024 – ~Sep 2024 · 31 days · monthly snapshot~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshot~Sep 2025 – present · 12 months · monthly snapshot

Change History

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

    Active Not Recruiting PHASE3

  2. Sep 2024 — Sep 2025 [monthly]

    Active Not Recruiting PHASE3

  3. Aug 2024 — Sep 2024 [monthly]

    Active Not Recruiting PHASE3

  4. Jul 2024 — Aug 2024 [monthly]

    Active Not Recruiting PHASE3

  5. Nov 2023 — Jul 2024 [monthly]

    Active Not Recruiting PHASE3

Show 14 earlier versions
  1. Jun 2023 — Nov 2023 [monthly]

    Active Not Recruiting PHASE3

    Status: RecruitingActive Not Recruiting

  2. Mar 2023 — Jun 2023 [monthly]

    Recruiting PHASE3

  3. Sep 2022 — Mar 2023 [monthly]

    Recruiting PHASE3

  4. Apr 2022 — Sep 2022 [monthly]

    Recruiting PHASE3

  5. Oct 2021 — Apr 2022 [monthly]

    Recruiting PHASE3

  6. May 2021 — Oct 2021 [monthly]

    Recruiting PHASE3

  7. Jan 2021 — May 2021 [monthly]

    Recruiting PHASE3

  8. Nov 2020 — Jan 2021 [monthly]

    Recruiting PHASE3

  9. Sep 2020 — Nov 2020 [monthly]

    Recruiting PHASE3

  10. Mar 2019 — Sep 2020 [monthly]

    Recruiting PHASE3

  11. Jun 2018 — Mar 2019 [monthly]

    Recruiting PHASE3

  12. Oct 2017 — Jun 2018 [monthly]

    Recruiting PHASE3

  13. Sep 2017 — Oct 2017 [monthly]

    Recruiting PHASE3

    Status: Not Yet RecruitingRecruiting

  14. May 2017 — Sep 2017 [monthly]

    Not Yet Recruiting PHASE3

    First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Baylor College of Medicine
  • Boston Children's Hospital
  • Children's Hospital of Philadelphia
  • Flinders Medical Centre
  • Istituto Giannina Gaslini
  • Murdoch Childrens Research Institute
  • Perth Children's Hospital
  • Queensland Children's Hospital
  • Royal Children's Hospital
  • Sydney Children's Hospitals Network
  • The Cleveland Clinic
  • University of Texas, Southwestern Medical Center at Dallas
  • Women and Children's Hospital
Data source: Murdoch Childrens Research Institute

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