Unknown PHASE4 INTERVENTIONAL 2-arm NCT02133638

Sevoflurane Decreases the Risk of Postoperative Delirium After Cerebral Hypoxemia During Surgery

Sevoflurane-based Volatile Induction and Maintenance of Anaesthesia (VIMA) Strategy Decreases the Risk of Postoperative Delirium in Elderly Patients With Registered Cerebral Hypoxemia Episodes During General Surgery

Sponsor: Negovsky Reanimatology Research Institute

Conditions Cerebral Hypoxia Postoperative Delirium

Interventions Propofol Sevoflurane

Updated 5 times since 2017 Last updated: May 6, 2014 Started: May 31, 2014 Primary completion: May 31, 2015 Completion: Jun 30, 2015

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT02133638, this PHASE4 trial focuses on Cerebral Hypoxia and Postoperative Delirium and remains ongoing. Sponsored by Negovsky Reanimatology Research Institute, it has been updated 5 times since 2014, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

5 versions recorded

Sep 2025 — Present [monthly]

Unknown PHASE4
Sep 2024 — Sep 2025 [monthly]

Unknown PHASE4
Jul 2024 — Sep 2024 [monthly]

Unknown PHASE4

Status: Unknown Status → Unknown
Jan 2021 — Jul 2024 [monthly]

Unknown Status PHASE4
Jan 2017 — Jan 2021 [monthly]

Unknown Status PHASE4

First recorded

May 2014

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Negovsky Reanimatology Research Institute

Data source: Negovsky Reanimatology Research Institute

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

Study Locations

• Moscow, Russia