Completed OBSERVATIONAL NCT05372406

Clinical Prediction Model and External Validation of Chronic Postsurgical Pain in Elders

Clinical Prediction Model and External Validation of Chronic Postsurgical Pain in Elders: Retrospective Analysis of A Multi-Center Prospective Database in China

Sponsor: China-Japan Friendship Hospital

Conditions Chronic Postsurgical Pain

Interventions • no intervention

Updated 3 times since 2022 Last updated: May 18, 2022 Started: Apr 1, 2020 Primary completion: Apr 30, 2022 Completion: Apr 30, 2022

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

This observational or N/A phase trial investigates Chronic Postsurgical Pain and is currently completed. China-Japan Friendship Hospital leads this study, which shows 3 recorded versions since 2020 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

3 versions recorded

Sep 2024 — Present [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Jun 2022 — Jul 2024 [monthly]

Completed

First recorded

Apr 2020

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

China-Japan Friendship Hospital
Chinese PLA General Hospital
First Affiliated Hospital of Guangxi Medical University
Fudan University
Peking University People's Hospital
Sun Yat-sen University
The Affiliated Hospital Of Guizhou Medical University
The Affiliated Nanjing Drum Tower Hospital of Nanjing University Medical School

Data source: Chinese PLA General Hospital

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

Study Locations

• Beijing, China