deltatrials
Completed PHASE4 INTERVENTIONAL 3-arm NCT00226837

Quantifying Nitrous Oxide Effect on Depth of Anaesthesia Using Theoretically Based Time Series Modelling

Sponsor: Australian and New Zealand College of Anaesthetists

Interventions Nitrous oxide
Updated 6 times since 2017 Last updated: Feb 3, 2009 Started: Aug 31, 2004 Primary completion: Aug 31, 2005 Completion: Aug 31, 2005
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A PHASE4 clinical study on Depth of Anaesthesia, this trial is completed. The trial is conducted by Australian and New Zealand College of Anaesthetists and has accumulated 6 data snapshots since 2004. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Study Description(click to expand)

We randomised patients to 0% 33% or 66% nitrous oxide during sevoflurane induction and measured anesthetic endpoints.

We randomised patients to 0% 33% or 66% nitrous oxide during sevoflurane induction and measured anesthetic endpoints.

Status Flow

~Jan 2017 – ~Jun 2018 · 17 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – present · 19 months · monthly snapshotCompleted~Jan 2026 – present · 3 months · monthly snapshotCompleted

Change History

6 versions recorded
  1. Jan 2026 — Present [monthly]

    Completed PHASE4

  2. Sep 2024 — Present [monthly]

    Completed PHASE4

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE4

  4. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE4

  5. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE4

Show 1 earlier version
  1. Jan 2017 — Jun 2018 [monthly]

    Completed PHASE4

    First recorded

Aug 2004

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Australian and New Zealand College of Anaesthetists
  • Melbourne Health
Data source: Melbourne Health

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