# Non-interventional Observational Study on WHO-5 Questionnaire Application in Parkinson's Disease

> **NCT00752388** · — · COMPLETED · sponsor: **Boehringer Ingelheim** · enrollment: 1588 (actual)

## Conditions studied

- Parkinson Disease

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00752388
- **Lead sponsor:** Boehringer Ingelheim
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2008-11
- **Primary completion:** 2008-11
- **Final completion:** —
- **Target enrollment:** 1588 (ACTUAL)
- **Last updated:** 2013-11-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00752388

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00752388, "Non-interventional Observational Study on WHO-5 Questionnaire Application in Parkinson's Disease". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT00752388. Licensed CC0.

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