# Electroretinography: Investigation of a Protocol Change

> **NCT03275441** · — · UNKNOWN · sponsor: **NHS Greater Glasgow and Clyde** · enrollment: 262 (estimated)

## Conditions studied

- Dark-adapted ERG

## Interventions

- **DIAGNOSTIC_TEST:** Electroretinography

## Key facts

- **NCT ID:** NCT03275441
- **Lead sponsor:** NHS Greater Glasgow and Clyde
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2017-10
- **Primary completion:** 2018-02
- **Final completion:** 2018-02
- **Target enrollment:** 262 (ESTIMATED)
- **Last updated:** 2017-09-07


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03275441

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03275441, "Electroretinography: Investigation of a Protocol Change". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT03275441. Licensed CC0.

---

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