# Inter-Device Reliability of the NPi-300 Pupillometer

> **NCT04993833** · — · COMPLETED · sponsor: **University of Texas Southwestern Medical Center** · enrollment: 70 (actual)

## Conditions studied

- Critical Illness
- Neuropathy

## Interventions

- **DEVICE:** NPi-200 and NPi-300 pupillometers

## Key facts

- **NCT ID:** NCT04993833
- **Lead sponsor:** University of Texas Southwestern Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-08-25
- **Primary completion:** 2022-08-31
- **Final completion:** 2022-08-31
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2022-09-30

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04993833

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04993833, "Inter-Device Reliability of the NPi-300 Pupillometer". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04993833. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
