Objective olfaction test with olfacto-scintigraphy

JRCT ID: jRCTs041180021

Registered date:20/12/2018

Basic Information

• Recruitment status: Recruiting
• Health condition(s) or Problem(s) studied: Olfactory dysfunction
• Date of first enrollment: 29/03/2010
• Target sample size: 120
• Study type: Interventional
• Intervention(s): The nasal administration of thallium-201.

Outcome(s)

• Primary Outcome: Evaluation of olfactory nerve with Olfacto-scintigraphy 24 hrs after the nasal administration of thallium-201.
• Secondary Outcome: Safety for the nasal administration of thallium-201 in patients with olfactory dysfunction

Key inclusion & exclusion criteria

• Age minimum: >= 20age old
• Age maximum: Not applicable
• Gender: Both

Include criteria

1) Patients with olfactory dysfunction
2) Patients aged 20 years old or more
3) Gender unquestioned
4) Outpatient
5) Patients who have given voluntary written informed consent.

Exclude criteria

1) Patients who have serious visceral disease or have early history of the disease.
2) Patients who are pregnant, suspected to be pregnant or breastfeeding.
3) Patients who have early history of serious side-effects or allergy to thallium-201.
4) Patients who are considered not to be eligible by the investigator.

Related Information

• Primary Sponsor: Shiga Hideaki
• Secondary Sponsor: Miwa Takaki
• Source(s) of Monetary Support: Kanazawa Medical University Otorhinolaryngology,Grants-in-Aid for Scientific Research (KAKENHI)
• Secondary ID(s): UMIN000023519