# International Validation of Two Non-motor Scales in PD (NFS and SPARK)

> **NCT04366804** · — · RECRUITING · sponsor: **Insel Gruppe AG, University Hospital Bern** · enrollment: 300 (estimated)

## Conditions studied

- Parkinson's Disease
- Non-motor Symptoms

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04366804
- **Lead sponsor:** Insel Gruppe AG, University Hospital Bern
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2020-12-03
- **Primary completion:** 2025-09-30
- **Final completion:** 2025-12-31
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2025-04-13

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04366804

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04366804, "International Validation of Two Non-motor Scales in PD (NFS and SPARK)". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT04366804. Licensed CC0.

---

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