# Effectiveness and Safety of Platelet Rich Plasma (PRP) on Persistent Olfactory Dysfunction Related to COVID-19

> **NCT05226546** · PHASE2,PHASE3 · COMPLETED · sponsor: **Centre Hospitalier Universitaire Saint Pierre** · enrollment: 56 (actual)

## Conditions studied

- Anosmia
- COVID-19

## Interventions

- **DRUG:** Platelet rich plasma (PRP)
- **OTHER:** olfactory training

## Key facts

- **NCT ID:** NCT05226546
- **Lead sponsor:** Centre Hospitalier Universitaire Saint Pierre
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-02-01
- **Primary completion:** 2021-08-01
- **Final completion:** 2021-08-01
- **Target enrollment:** 56 (ACTUAL)
- **Last updated:** 2022-02-25


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05226546

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05226546, "Effectiveness and Safety of Platelet Rich Plasma (PRP) on Persistent Olfactory Dysfunction Related to COVID-19". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT05226546. Licensed CC0.

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