Unknown NA INTERVENTIONAL 3-arm NCT03577574

Study of Two-step Anesthesia in Posterior Vitrectomy

A Prospective, Randomised, Single-masked Comparison of Retrobulbar Anesthesia, Peribulbar Anesthesia and Topical Combined Subconjunctival(Two-step) Anesthesia in Posterior Vitrectomy

Sponsor: Aier School of Ophthalmology, Central South University

Conditions Anesthesia, Local

Interventions peribulbar anesthesia retrobulbar anesthesia two step anesthesia

Updated 5 times since 2018 Last updated: Jul 2, 2018 Started: Aug 2, 2018 Primary completion: Jan 1, 2019 Completion: Jan 1, 2019

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT03577574, this NA trial focuses on Anesthesia, Local and remains ongoing. Sponsored by Aier School of Ophthalmology, Central South University, it has been updated 5 times since 2018, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

5 versions recorded

Sep 2024 — Present [monthly]

Unknown NA
Jul 2024 — Sep 2024 [monthly]

Unknown NA

Status: Unknown Status → Unknown
Jan 2021 — Jul 2024 [monthly]

Unknown Status NA
Jun 2020 — Jan 2021 [monthly]

Unknown Status NA

Status: Recruiting → Unknown Status
Aug 2018 — Jun 2020 [monthly]

Recruiting NA

First recorded

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Aier School of Ophthalmology, Central South University

Data source: Aier School of Ophthalmology, Central South University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Shanghai, China