# The Effect of Buccal Infiltration Administration of Clonidine on the Success Rate of Inferior Alveolar Nerve Block

> **NCT04186299** · PHASE4 · WITHDRAWN · sponsor: **University of California, San Francisco**

## Conditions studied

- Symptomatic Irreversible Pulpitis

## Interventions

- **DRUG:** Clonidine
- **DRUG:** Articaine Hydrochloride + Epinephrine

## Key facts

- **NCT ID:** NCT04186299
- **Lead sponsor:** University of California, San Francisco
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2021-08
- **Primary completion:** 2022-08
- **Final completion:** 2022-12
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Study activities never commenced.
- **Last updated:** 2023-04-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04186299

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04186299, "The Effect of Buccal Infiltration Administration of Clonidine on the Success Rate of Inferior Alveolar Nerve Block". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04186299. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*