# Longitudinal Follow-up Study About Complex Regional Pain Syndrome (CRPS) Patients

> **NCT04703647** · — · UNKNOWN · sponsor: **Clinique Romande de Readaptation** · enrollment: 110 (estimated)

## Conditions studied

- Complex Regional Pain Syndrome Type I

## Interventions

- **OTHER:** Administration of questionnaires for prospective group
- **OTHER:** Blood samples for prospective group
- **OTHER:** Blood samples for control group

## Key facts

- **NCT ID:** NCT04703647
- **Lead sponsor:** Clinique Romande de Readaptation
- **Sponsor class:** NETWORK
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-03-14
- **Primary completion:** 2024-12-01
- **Final completion:** 2025-12-31
- **Target enrollment:** 110 (ESTIMATED)
- **Last updated:** 2024-08-22


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04703647

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04703647, "Longitudinal Follow-up Study About Complex Regional Pain Syndrome (CRPS) Patients". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT04703647. Licensed CC0.

---

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