The effect of adding verapamil to local anaesthetics in peribulbar block for intraoperative anaesthesia and postoperative analgesia in vitreoretinal surgery

The effect of adding verapamil to local anaesthetics in peribulbar block for intraoperative anaesthesia and postoperative analgesia in vitreoretinal surgery: A randomized clinical trial

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

PACTR

Registry ID

PACTR202111686374192

Enrollment

Registered

2021-11-19

Start date

2021-02-10

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

Anaesthesia

Interventions

Verapamil

Normal saline

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: ASA I, II, III Age: 30 to 70 years Vitreoretinal surgery patients

Exclusion criteria

Exclusion criteria: ASA IV Patients with coagulopathy or on anticoagulant treatment Infection at the site of surgery Patients with posterior staphyloma Uncooperative patients Allergy to local anaesthetic agents used Patients with bronchial asthma or bradyarrhythmia Patients who refused to participate in the study

Design outcomes

Primary

Measure	Time frame
Haemodynamics - heart rate, blood pressure, and oxygen saturation ;The onset of anaesthesia;The onset of akinesia;The duration of the block;Verbal pain scores	—

Secondary

Measure	Time frame
The time to the first pain medication intake;Patient and surgeon satisfaction	—

Countries

Egypt

Contacts

Public ContactIman Sobhy

Assistant professor

iman.sobhy333@gmail.com00201225403093

Outcome results

None listed

Source: PACTR (via WHO ICTRP) · Data processed: Aug 9, 2026