# SPD489 Low Dose and High Dose Ranges When Added to Stable Doses of Antipsychotic Medications in Clinically Stable Adults With Negative Symptoms of Schizophrenia

> **NCT01760889** · PHASE3 · TERMINATED · sponsor: **Shire** · enrollment: 1 (actual)

## Conditions studied

- Schizophrenia

## Interventions

- **DRUG:** SPD489 low dose range (40mg, 80mg, and 100mg)
- **DRUG:** SPD489 high dose range (120mg, 140mg and 160mg)
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT01760889
- **Lead sponsor:** Shire
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2013-02-01
- **Primary completion:** 2013-04-01
- **Final completion:** 2013-04-01
- **Target enrollment:** 1 (ACTUAL)
- **Why stopped:** Study was discontinued due to non-safety related business prioritization decisions. No subjects were randomized
- **Last updated:** 2021-06-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01760889

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01760889, "SPD489 Low Dose and High Dose Ranges When Added to Stable Doses of Antipsychotic Medications in Clinically Stable Adults With Negative Symptoms of Schizophrenia". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT01760889. Licensed CC0.

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