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Comparison of the effect of vanilla essential oil with eucalyptus essential oil on the return of olfactory sense in COVID-19 patients

Comparison of the effect of vanilla essential oil with eucalyptus essential oil on the return of olfactory sense in COVID-19 patients with olfactory dysfunction

Status
Recruiting
Phases
Phase 3
Study type
Interventional
Source
IRCT
Registry ID
IRCT20210202050231N1
Enrollment
84
Registered
2021-07-08
Start date
2021-04-30
Completion date
Unknown
Last updated
2021-07-12

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

covid-19. Coronavirus infection, unspecified site (B34.2)Coronavirus as the cause of diseases classified to other chapters (B97.2)Severe acute respiratory syndrome [SARS], unspecified (U04.9)

Interventions

Intervention 1: Intervention group 1: Patients in this group have olfactory stimulation (sniffing 100% pure eucalyptus essential oil from the French company seven star) in plastic perfume bottles of 2

Sponsors

Zanjan University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: Having informed consent to participate in the study - Have a positive PCR test They did not experience any signs of decreased olfactory and taste sensation at least 2 weeks before the onset of the first Covid-19 demonstrations. -Living in the city Non-smoker

Exclusion criteria

Exclusion criteria: - People with certain underlying diseases (such as asthma and history of allergies, Parkinson's, Alzheimer's, severe eating disorders, acute rhinitis, acute sinusitis, nasal congestion, for example, after rhinoplasty, traumatic nerve damage and. Having other viral and bacterial infections at the same time as Covid-19 - People who deal with thick odors in their job, such as working with paint or acid.

Design outcomes

Primary

MeasureTime frame
The result of the olfactory test is reported as a number from zero to 24 and indicates the function of the sense of smell in the range of normal and mild normosemia, anosmia, hyposemia (microsaemia). Timepoint: Before intervention, one week after intervention, two weeks after intervention. Method of measurement: University of Pennsylvania Odor Detection Test (UPSIT).

Countries

Iran (Islamic Republic of)

Contacts

Public ContactMohamad ali Yadegary

Zanjan University of Medical Sciences

ma.yadegary@gmail.com+98 24 3314 8241

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026