# Safety and Efficacy of SPD489 in Adolescent Subjects Aged 13-17 Years With Attention-Deficit/Hyperactivity Disorder (ADHD)

> **NCT01274221** · PHASE3 · WITHDRAWN · sponsor: **Shire**

## Conditions studied

- ADHD

## Interventions

- **DRUG:** SPD489
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT01274221
- **Lead sponsor:** Shire
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2011-03-06
- **Primary completion:** 2011-05-04
- **Final completion:** 2011-05-04
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Cancellation was not safety related but a shift in study priorities for Shire.
- **Last updated:** 2021-06-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01274221

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01274221, "Safety and Efficacy of SPD489 in Adolescent Subjects Aged 13-17 Years With Attention-Deficit/Hyperactivity Disorder (ADHD)". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT01274221. Licensed CC0.

---

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