# Assessing Pain in the Postoperative Period by Automatically Measuring the Variation Coefficient of Pupillary Diameter: PREVANS Study

> **NCT03267979** · NA · COMPLETED · sponsor: **Centre Hospitalier Universitaire de Saint Etienne** · enrollment: 345 (actual)

## Conditions studied

- Anesthesia, General

## Interventions

- **OTHER:** Video-pupillometer
- **OTHER:** Electrocardiogram

## Key facts

- **NCT ID:** NCT03267979
- **Lead sponsor:** Centre Hospitalier Universitaire de Saint Etienne
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-11-02
- **Primary completion:** 2015-03-31
- **Final completion:** 2015-03-31
- **Target enrollment:** 345 (ACTUAL)
- **Last updated:** 2017-08-31


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03267979

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03267979, "Assessing Pain in the Postoperative Period by Automatically Measuring the Variation Coefficient of Pupillary Diameter: PREVANS Study". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT03267979. Licensed CC0.

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