# A Study of the Effectiveness and Safety of Prolonged-release Methylphenidate Hydrochloride in Adult Patients With Attention Deficit/Hyperactivity Disorder.

> **NCT00246220** · PHASE3 · COMPLETED · sponsor: **Janssen Pharmaceutica N.V., Belgium** · enrollment: 402 (actual)

## Conditions studied

- Attention Deficit Disorder With Hyperactivity

## Interventions

- **DRUG:** methylphenidate hydrochloride

## Key facts

- **NCT ID:** NCT00246220
- **Lead sponsor:** Janssen Pharmaceutica N.V., Belgium
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-03
- **Primary completion:** —
- **Final completion:** 2006-11
- **Target enrollment:** 402 (ACTUAL)
- **Last updated:** 2011-05-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00246220

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00246220, "A Study of the Effectiveness and Safety of Prolonged-release Methylphenidate Hydrochloride in Adult Patients With Attention Deficit/Hyperactivity Disorder.". Retrieved via AI Analytics 2026-08-11 from https://api.ai-analytics.org/clinical/NCT00246220. Licensed CC0.

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