# Artificial Intelligence to Evaluate Postoperative Pain Based on Facial Expression

> **NCT05477303** · — · UNKNOWN · sponsor: **Seoul National University Bundang Hospital** · enrollment: 120 (estimated)

## Conditions studied

- Artificial Intelligence
- Facial Expression
- Analgesia
- Pain, Postoperative

## Interventions

- **OTHER:** taking a picture of a painful facial expression

## Key facts

- **NCT ID:** NCT05477303
- **Lead sponsor:** Seoul National University Bundang Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-06-17
- **Primary completion:** 2023-04-20
- **Final completion:** 2026-05-09
- **Target enrollment:** 120 (ESTIMATED)
- **Last updated:** 2022-07-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05477303

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05477303, "Artificial Intelligence to Evaluate Postoperative Pain Based on Facial Expression". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT05477303. Licensed CC0.

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