# 20- Versus 23- Gauge System for Pars Plana Vitrectomy

> **NCT00411970** · PHASE4 · COMPLETED · sponsor: **The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery** · enrollment: 60 (actual)

## Conditions studied

- Diabetic Retinopathy
- Macular Edema
- Postoperative Complications
- Vitreous Hemorrhage

## Interventions

- **DEVICE:** 20- and 23 gauge vitreoretinal surgery systems

## Key facts

- **NCT ID:** NCT00411970
- **Lead sponsor:** The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2004-09
- **Primary completion:** —
- **Final completion:** 2007-10
- **Target enrollment:** 60 (ACTUAL)
- **Last updated:** 2007-10-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00411970

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00411970, "20- Versus 23- Gauge System for Pars Plana Vitrectomy". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT00411970. Licensed CC0.

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