---
title: "Pathophysiology of pain in Parkinson's disease: exploration of the serotonin system in positron emission tomography"
euct_id: 2022-501123-24-00
phase: Phase 4
status: Recruiting
sponsor: Centre Hospitalier Universitaire De Toulouse
canonical_url: "https://parkinsonspathways.com/trials/eu/2022-501123-24-00"
eu_clinical_trials_register: "https://euclinicaltrials.eu/ctis-public/view/2022-501123-24-00"
ctis_last_updated: "2026-04-08T03:42:25.95419299"
source: EU Clinical Trials Information System (CTIS)
---
# Pathophysiology of pain in Parkinson's disease: exploration of the serotonin system in positron emission tomography

**EU CT Number:** [2022-501123-24-00](https://euclinicaltrials.eu/ctis-public/view/2022-501123-24-00)

## Key Facts

- **Phase:** Phase 4
- **Status:** Recruiting
- **Sponsor:** Centre Hospitalier Universitaire De Toulouse
- **Start Date:** 2023-04-30
- **Completion Date:** 2025-09-01
- **Conditions:** Parkinson's disease, Disease Parkinson's
- **Interventions:** 18F-MPPF

## Member States

Trial is authorized in 1 member state: France.

## Sites (1)

- Centre Hospitalier Universitaire De Toulouse, Toulouse Cedex 9, France

## Eligibility (CTIS)

- **Minimum age:** 18 Years
- **Sex:** ALL

```
Condition: Parkinson's disease; Disease Parkinson's
Age groups: adults 18-64, elderly 65+
Sex: male, female
```

---

*Canonical: https://parkinsonspathways.com/trials/eu/2022-501123-24-00*  
*HTML version: https://parkinsonspathways.com/trials/eu/2022-501123-24-00*  
*Source data: https://euclinicaltrials.eu/ctis-public/view/2022-501123-24-00*