Completed NA INTERVENTIONAL 2-arm NCT01661907

Anesthesia-analgesia Methods and Postoperative Delirium

Effects of Two Different Anesthesia-analgesia Methods on the Incidence of Postoperative Delirium: a Multicenter, Randomized Controlled Trial

Sponsor: Beijing Hospital

Conditions Elderly Epidural Anesthesia General Anesthesia Major Surgery Postoperative Delirium

Interventions Combined Epi-GA/PCEA GA/PCIA

Updated 9 times since 2017 Last updated: Jul 6, 2020 Started: Nov 21, 2011 Primary completion: May 25, 2015 Completion: Jun 24, 2015

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

This NA trial investigates Elderly and Epidural Anesthesia and is currently completed. Beijing Hospital leads this study, which shows 9 recorded versions since 2011 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

9 versions recorded

Sep 2024 — Present [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Oct 2021 — Jul 2024 [monthly]

Completed NA
Jan 2021 — Oct 2021 [monthly]

Completed NA
Aug 2020 — Jan 2021 [monthly]

Completed NA

▶ Show 4 earlier versions

Apr 2020 — Aug 2020 [monthly]

Completed NA
Sep 2018 — Apr 2020 [monthly]

Completed NA
Jun 2018 — Sep 2018 [monthly]

Completed NA
Jan 2017 — Jun 2018 [monthly]

Completed NA

First recorded

Nov 2011

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Beijing Hospital
Beijing Shijitan Hospital, Capital Medical University
Peking University First Hospital
Peking University People's Hospital
Peking University Third Hospital

Data source: Peking University First Hospital

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

Study Locations

• Beijing, China