A pilot randomised controlled trial comparing the post-operative pain experience following vitrectomy with a 20-gauge system and the new 25-gauge transconjunctival system

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN66846344

Enrollment

Registered

2005-09-30

Start date

2005-03-01

Completion date

Unknown

Last updated

2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Signs and Symptoms: Post operative pain Signs and Symptoms Post operative pain

Interventions

20-gauge system vs new 25-gauge transconjunctival system

Eligibility

Inclusion criteria

Inclusion criteria: Added April 2008: 1. Patients with suitable pathology for the 25 gauge system eg macula hole, epiretinal membrane, vitreous opacities 2. Primary vitrectomy

Exclusion criteria

Exclusion criteria: Added April 2008: 1. Previous vitrectomy 2. Unwilling to accept randomisation 3. Unable to give informed consent 4. Pre-operative inflammation

Design outcomes

Primary

Measure	Time frame
1. Post-operative pain scores using verbal and visual analogue scales 2. Use of post-operative analgesia	—

Secondary

Measure	Time frame
Post operative pain Added April 2008: 1. Time taken to perform surgical procedure 2. Post operative inflammation 3. Per-operative and post-operative complications	—

Countries

United Kingdom

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026