# Maintenance of Efficacy of Extended-Release Guanfacine HCl in Children and Adolescents With Attention-deficit/Hyperactivity Disorder (ADHD)

> **NCT01081145** · PHASE3 · COMPLETED · sponsor: **Shire** · enrollment: 528 (actual)

## Conditions studied

- Attention-deficit/Hyperactivity Disorder

## Interventions

- **DRUG:** Extended-release Guanfacine Hydrochloride
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT01081145
- **Lead sponsor:** Shire
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2010-05-11
- **Primary completion:** 2013-06-03
- **Final completion:** 2013-06-03
- **Target enrollment:** 528 (ACTUAL)
- **Last updated:** 2021-06-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01081145

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01081145, "Maintenance of Efficacy of Extended-Release Guanfacine HCl in Children and Adolescents With Attention-deficit/Hyperactivity Disorder (ADHD)". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01081145. Licensed CC0.

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