Completed PHASE4 INTERVENTIONAL 2-arm NCT01546090

Effect of Alprazolam on the Success of Inferior Alveolar Nerve (IAN) Block

Effect of Preoperative Alprazolam on the Success of Inferior Alveolar Nerve Block for Teeth With Irreversible Pulpitis

Sponsor: Isfahan University of Medical Sciences

Conditions Inferior Alveolar Nerve Block Failure

Updated 7 times since 2017 Last updated: Mar 6, 2012 Started: Mar 31, 2011 Primary completion: Oct 31, 2011 Completion: Feb 29, 2012

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

A PHASE4 clinical study on Inferior Alveolar Nerve Block Failure, this trial is completed. The trial is conducted by Isfahan University of Medical Sciences and has accumulated 7 data snapshots since 2011. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE4
Sep 2024 — Sep 2025 [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jan 2021 — Jul 2024 [monthly]

Completed PHASE4
Jun 2018 — Jan 2021 [monthly]

Completed PHASE4

▶ Show 2 earlier versions

Feb 2017 — Jun 2018 [monthly]

Completed PHASE4
Jan 2017 — Feb 2017 [monthly]

Completed PHASE4

First recorded

Mar 2011

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Isfahan University of Medical Sciences
University of Isfahan

Data source: Isfahan University of Medical Sciences

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

Study Locations

• Isfahan, Iran