# Efficacy and Safety of Mydriatic Microdrops Compared With Standard Drops for Retinopathy of Prematurity (ROP) Screening: a Pilot Randomized Clinical Trial

> **NCT04623684** · PHASE4 · COMPLETED · sponsor: **Aristotle University Of Thessaloniki** · enrollment: 25 (actual)

## Conditions studied

- Retinopathy of Prematurity

## Interventions

- **DRUG:** Microdrop administration [phenylephrine 1.67% + tropicamide 0.33% (drop volume: 6-7 μL)]
- **DRUG:** Standard drop administration [phenylephrine 1.67% + tropicamide 0.33% (drop volume: 28-34 μL)]

## Key facts

- **NCT ID:** NCT04623684
- **Lead sponsor:** Aristotle University Of Thessaloniki
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-03-24
- **Primary completion:** 2020-09-22
- **Final completion:** 2020-09-29
- **Target enrollment:** 25 (ACTUAL)
- **Last updated:** 2022-04-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04623684

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04623684, "Efficacy and Safety of Mydriatic Microdrops Compared With Standard Drops for Retinopathy of Prematurity (ROP) Screening: a Pilot Randomized Clinical Trial". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04623684. Licensed CC0.

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