# Guanfacine Immediate-release Electrocardiogram Results (QTc) Study

> **NCT00672984** · PHASE1 · COMPLETED · sponsor: **Shire** · enrollment: 83 (actual)

## Conditions studied

- Healthy Volunteers

## Interventions

- **DRUG:** immediate release guanfacine hydrochloride
- **DRUG:** moxifloxacin
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00672984
- **Lead sponsor:** Shire
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-04-18
- **Primary completion:** 2008-08-07
- **Final completion:** 2008-08-07
- **Target enrollment:** 83 (ACTUAL)
- **Last updated:** 2021-06-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00672984

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00672984, "Guanfacine Immediate-release Electrocardiogram Results (QTc) Study". Retrieved via AI Analytics 2026-08-11 from https://api.ai-analytics.org/clinical/NCT00672984. Licensed CC0.

---

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