# A 12-Week, Placebo Controlled Trial of Ziprasidone as Monotherapy for Major Depressive Disorder

> **NCT00555997** · PHASE2 · COMPLETED · sponsor: **Massachusetts General Hospital** · enrollment: 120 (actual)

## Conditions studied

- Major Depressive Disorder

## Interventions

- **DRUG:** Ziprasidone
- **DRUG:** Ziprasidone
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00555997
- **Lead sponsor:** Massachusetts General Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-03
- **Primary completion:** 2010-06
- **Final completion:** 2010-06
- **Target enrollment:** 120 (ACTUAL)
- **Last updated:** 2014-07-03

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00555997

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00555997, "A 12-Week, Placebo Controlled Trial of Ziprasidone as Monotherapy for Major Depressive Disorder". Retrieved via AI Analytics 2026-07-09 from https://api.ai-analytics.org/clinical/NCT00555997. Licensed CC0.

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