Using corticosteroids to treat loss of smell and taste in COVID-19 patients

Anosmia and / or Ageusia in COVID-19: Timeline, Treatment With Early Corticosteroid and Recovery

Phase 4 Interventional ClinAmygate · NCT04528329

This study is testing if giving corticosteroids, like dexamethasone, can help COVID-19 patients recover their sense of smell and taste faster.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment300 (estimated)
Ages18 Years and up
SexAll
SponsorClinAmygate Academic / other
Locations1 site (Maadi, Cairo)
Trial IDNCT04528329 on ClinicalTrials.gov

What this trial studies

This study investigates the effectiveness of early corticosteroid treatment, specifically dexamethasone, in patients experiencing anosmia (loss of smell) and ageusia (loss of taste) due to COVID-19. It involves two groups of patients, one receiving oral dexamethasone and the other receiving it intravenously, to compare recovery times. The study aims to assess the pharmacokinetics of dexamethasone and its impact on the recovery of these sensory deficits. Participants will be monitored for their recovery progress over a specified period.

Who should consider this trial

Good fit: Ideal candidates are adults aged 18 and older with mild to moderate COVID-19 symptoms experiencing anosmia or ageusia.

Not a fit: Patients with diabetes, contraindications for dexamethasone, or mental disabilities may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly improve the recovery of smell and taste in COVID-19 patients.

How similar studies have performed: While there have been studies on corticosteroids for COVID-19, the specific focus on anosmia and ageusia recovery is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Any case with COVID-19
* Age more than or equal to 18 years
* Mild to moderate severity

Exclusion Criteria:

* Diabetes
* Any contra-indication for the interventional drug
* Mentally disabled cases

Where this trial is running

Maadi, Cairo

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Covid19Anosmia
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.