# NOPARK Open Label Extension Study

> **NCT05546567** · NA · ACTIVE_NOT_RECRUITING · sponsor: **Haukeland University Hospital** · enrollment: 400 (estimated)

## Conditions studied

- Safety Issues

## Interventions

- **DIETARY_SUPPLEMENT:** Nicotinamide Riboside

## Key facts

- **NCT ID:** NCT05546567
- **Lead sponsor:** Haukeland University Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2022-09-28
- **Primary completion:** 2025-06-20
- **Final completion:** 2025-06-20
- **Target enrollment:** 400 (ESTIMATED)
- **Last updated:** 2025-05-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05546567

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05546567, "NOPARK Open Label Extension Study". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05546567. Licensed CC0.

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