# Memantine as Adjunctive Therapy for Schizophrenia Negative Symptoms

> **NCT00757978** · PHASE4 · COMPLETED · sponsor: **Hospital de Clinicas de Porto Alegre** · enrollment: 22 (actual)

## Conditions studied

- Schizophrenia

## Interventions

- **DRUG:** memantine
- **DRUG:** placebo

## Key facts

- **NCT ID:** NCT00757978
- **Lead sponsor:** Hospital de Clinicas de Porto Alegre
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2006-01
- **Primary completion:** 2008-01
- **Final completion:** 2008-03
- **Target enrollment:** 22 (ACTUAL)
- **Last updated:** 2008-12-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00757978

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00757978, "Memantine as Adjunctive Therapy for Schizophrenia Negative Symptoms". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00757978. Licensed CC0.

---

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