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A study of biological factors relating to olfactory sense

A study of biological factors relating to olfactory sense - Biological factors relating to olfactory sense

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000033671
Enrollment
30
Registered
2018-08-17
Start date
2018-08-17
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Healthy adults

Interventions

Sniffing odor A -&gt
Sniffing odor C -&gt
Sniffing odor B. On another day, sniffing odor D and E -&gt
Sniffing odor H and I -&gt
Sniffing odor F and G. Sniffing odor C -&gt
Sniffing odor B -&gt
Sniffing odor A. On another day, sniffing odor F and G -&gt
Sniffing odor D and E -&gt
Sniffing odor H and I. Sniffing odor B -&gt
Sniffing odor C. On another day, sniffing odor H and I -&gt
Sniffing odor F and G -&gt
Sniffing odor D and E.

Sponsors

Kao Corporation
Lead Sponsor
Edogawa Hospital
Collaborator

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: -Healthy males and females -Subjects with no subjective symptoms of olfactory dysfunction -Subjects who can visit specified location in Tokyo at specified time

Exclusion criteria

Exclusion criteria: -Subjects with feeling rejection of inserting tweezers to nasal cavity -Subjects with allergic to lidocaine -Subjects with feeling rejection of anesthesia with lidocaine -Subjects with feeling rejection of temporary pain and discomfort in nasal cavity -Subjects with feeling rejection of sniffing uncomfortable odors -Subjects who or whose families work for toiletries, cosmetics, eyeglasses, contact lens, pharmaceuticals, medical supplies, research, advertising, and media company, or medical services -The pregnant and potentially pregnant, subjects in nursing -Subjects with disease in nose -Subjects deemed inappropriate to participate in this study by the principle investigator

Design outcomes

Primary

MeasureTime frame
Analysis of molecules in biological samples, measurement of olfactory sensitivity, assessment of odor quality, analysis of their correlations

Countries

Japan

Contacts

Public ContactTomohiro Shirai

Kao Corporation Kansei Science Research

shirai.tomohiro@kao.com+81-285-68-7682

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026