The Efficacy of Modified Olfactory Training Method for Patients With Post-viral Olfactory Dysfunction

Recruiting now · Not applicable · Has a placebo group

Conditions studied: Olfactory Dysfunction, Post Viral Olfactory Dysfunction (PVOD)

In brief

The goal of this clinical trial is to validate the effectiveness of the modified olfactory training device, the main questions it aims to answer are: Is the modified olfactory training device effective in treating patients with post-viral olfactory dysfunction? Compared to the conventional device, how efficient is the modified olfactory training device for improving olfactory function?

Key facts

Study ID

NCT06829706

Run by

Peking University Third Hospital

People needed

150

Starts

2025-03-22

Expected to finish

2027-05-22

Last updated by the study team

2025-02-17

Who can join

Age: 18 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age 18-80 years old, gender not limited.
• Patients diagnosed with olfactory dysfunction following infections of the upper respiratory tract, as determined by Sniffin' Sticks test (including TDI value test).
• Voluntarily signs the informed consent form.

You may not qualify if…

• Patients with post-traumatic olfactory dysfunction, rhinosinusitis-related dysfunction and olfactory dysfunction caused by other reasons.
• Patients with concomitant sinonasal disease.
• Patients with chronic diseases, such as hypertension, diabetes, bronchopneumonia, chronic obstructive pulmonary disease, etc.
• Patients with serious coexisting diseases: such as malignant tumors, etc., with a life expectancy of less than 2 years.
• Patients who cannot tolerate olfactory function testing and treatment.
• Patients who have taken oral glucocorticoids, antibacterial drugs, anti-leukotrienes, antihistamines, or received olfactory training within four weeks will be excluded.
• Patients who are receiving treatment that affects olfactory recovery.
• Patients with smoking habits.
• Patients who are already or plan to be pregnant.
• According to the judgment of the researchers, the patient cannot complete this study or cannot comply with the requirements of this study (such as memory or behavior abnormalities, depression, heavy drinking, previous breach of contract).
• Patients who did not consent for participating in the study.

Where it is running

• Bejing — Beijing, China (enrolling)

Full record on ClinicalTrials.gov

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