# Effect of Plasmapheresis on Clinical Improvement and Biological Parameters of Patients With Long-haul COVID

> **NCT05543590** · NA · WITHDRAWN · sponsor: **Hôpital Européen Marseille**

## Conditions studied

- Long-Haul COVID-19

## Interventions

- **DRUG:** Plasmapheresis
- **OTHER:** Blood collection
- **OTHER:** Stool samples
- **OTHER:** PET scan
- **OTHER:** Cycle ergometer stress test
- **OTHER:** Questionnaires at baseline
- **OTHER:** Medical consultations

## Key facts

- **NCT ID:** NCT05543590
- **Lead sponsor:** Hôpital Européen Marseille
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2023-02
- **Primary completion:** 2025-02
- **Final completion:** 2025-10
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Withdrawn
- **Last updated:** 2023-08-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05543590

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05543590, "Effect of Plasmapheresis on Clinical Improvement and Biological Parameters of Patients With Long-haul COVID". Retrieved via AI Analytics 2026-06-16 from https://api.ai-analytics.org/clinical/NCT05543590. Licensed CC0.

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