# Memantine Versus Placebo in Parkinson's Disease Dementia or Dementia With Lewy Bodies

> **NCT00855686** · PHASE4 · COMPLETED · sponsor: **H. Lundbeck A/S** · enrollment: 199 (actual)

## Conditions studied

- Parkinson's Disease Dementia
- Dementia With Lewy Bodies

## Interventions

- **DRUG:** Memantine
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT00855686
- **Lead sponsor:** H. Lundbeck A/S
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-01
- **Primary completion:** 2008-12
- **Final completion:** 2009-01
- **Target enrollment:** 199 (ACTUAL)
- **Last updated:** 2013-09-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00855686

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00855686, "Memantine Versus Placebo in Parkinson's Disease Dementia or Dementia With Lewy Bodies". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT00855686. Licensed CC0.

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