The effect of odor training on olfactory function of elderly people.

The effect of odor training on olfactory function of elderly people. - The effect of odor training on olfactory function of elderly people.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000023421

Enrollment

100

Registered

2016-08-02

Start date

2016-10-21

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

Community-dwelling elderly people

Interventions

Elderly people are asked to sniff five representative food odors for 10 seconds by twice a day during 12 weeks (methods reported by Hummel, 2009).

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy elderly subjects in Nangoku city who provide written informed consent.

Exclusion criteria

Exclusion criteria: 1)Subjects who regularly visit otorhinolaryngology. 2)Subjects without enough recognition ability to do olfactory training. 3)Subjects who cannot open training vials. 4)Subjects who have allergy of salmon. 5)Subjects who are judged unsuitable for this study by the principal investigator.

Design outcomes

Primary

Measure	Time frame
Results of Open Essence Test and Food Odor Identification Test(before and after 12-week training)	—

Secondary

Measure	Time frame
Questionnaire Survey (Related to olfactory function)	—

Countries

Japan

Contacts

Public ContactYuki Okabe

Ajinomoto Co., Inc Human health & nutrition group, Institute of food sciences & technologies

yuki_okabe@ajinomoto.com044-223-4114

Outcome results

None listed

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