Completed PHASE1/PHASE2 INTERVENTIONAL 3-arm NCT01200641

Evaluation of Anxiolysis and Pain Associated With Retrobulbar Eye Block for Cataract Surgery : Melatonin Versus Gabapentin

Evaluation of Anxiolysis and Pain Associated With Retrobulbar Eye Block for Cataract Surgery : Melatonin Versus Gabapentin ( A Randomized, Double-blind, Placebo-controlled Study)

Sponsor: Qazvin University Of Medical Sciences

Conditions Anxiety Pain

Interventions Gabapentin Melatonin placebo

Updated 7 times since 2017 Last updated: Oct 10, 2012 Started: Sep 30, 2010 Primary completion: Dec 31, 2010 Completion: Jan 31, 2011

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

Listed as NCT01200641, this PHASE1/PHASE2 trial focuses on Anxiety and Pain and remains completed. Sponsored by Qazvin University Of Medical Sciences, it has been updated 7 times since 2010, reflecting limited change activity. Mental health research at this phase helps define safety and dosing parameters for future study.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE1/PHASE2
Sep 2024 — Sep 2025 [monthly]

Completed PHASE1/PHASE2
Jul 2024 — Sep 2024 [monthly]

Completed PHASE1/PHASE2

Phase: PHASE1_PHASE2 → PHASE1/PHASE2
Jan 2021 — Jul 2024 [monthly]

Completed PHASE1_PHASE2
Jun 2018 — Jan 2021 [monthly]

Completed PHASE1_PHASE2

▶ Show 2 earlier versions

Feb 2017 — Jun 2018 [monthly]

Completed PHASE1_PHASE2
Jan 2017 — Feb 2017 [monthly]

Completed PHASE1_PHASE2

First recorded

Sep 2010

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Qazvin University Of Medical Sciences

Data source: Qazvin University Of Medical Sciences

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

Study Locations

• Qazvin, Iran