# Coronavirus Smell Therapy for Anosmia Recovery

> **NCT04422275** · PHASE2 · WITHDRAWN · sponsor: **Washington University School of Medicine**

## Conditions studied

- Anosmia

## Interventions

- **DRUG:** Budesonide
- **BEHAVIORAL:** High-Concentration Essential Oil
- **DRUG:** Placebo
- **BEHAVIORAL:** Low-Concentration Essential Oil

## Key facts

- **NCT ID:** NCT04422275
- **Lead sponsor:** Washington University School of Medicine
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2021-06-01
- **Primary completion:** 2023-06-01
- **Final completion:** 2023-12-31
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Funding not received
- **Last updated:** 2021-03-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04422275

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04422275, "Coronavirus Smell Therapy for Anosmia Recovery". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04422275. Licensed CC0.

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