# Observational Study in Multiple System Atrophy

> **NCT05453058** · — · ACTIVE_NOT_RECRUITING · sponsor: **H. Lundbeck A/S** · enrollment: 90 (estimated)

## Conditions studied

- Multiple System Atrophy

## Interventions

- **DIAGNOSTIC_TEST:** plasma NfL and brain MRI (vMRI, DTI, and ASL [if feasible]) only for the EU cohort

## Key facts

- **NCT ID:** NCT05453058
- **Lead sponsor:** H. Lundbeck A/S
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2022-06-25
- **Primary completion:** 2024-03-12
- **Final completion:** 2031-05-30
- **Target enrollment:** 90 (ESTIMATED)
- **Last updated:** 2025-12-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05453058

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05453058, "Observational Study in Multiple System Atrophy". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT05453058. Licensed CC0.

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