# A Placebo-Controlled Single-Dose Trial of Sildenafil in Schizophrenia

> **NCT00455715** · PHASE4 · COMPLETED · sponsor: **Massachusetts General Hospital** · enrollment: 18 (actual)

## Conditions studied

- Schizophrenia

## Interventions

- **DRUG:** Sildenafil

## Key facts

- **NCT ID:** NCT00455715
- **Lead sponsor:** Massachusetts General Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2006-02
- **Primary completion:** 2007-09
- **Final completion:** 2008-09
- **Target enrollment:** 18 (ACTUAL)
- **Last updated:** 2011-06-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00455715

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00455715, "A Placebo-Controlled Single-Dose Trial of Sildenafil in Schizophrenia". Retrieved via AI Analytics 2026-07-01 from https://api.ai-analytics.org/clinical/NCT00455715. Licensed CC0.

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