A parallel group study about the influence which warmed humidification has on nasal mucosa in healthy adult

A parallel group study about the influence which warmed humidification has on nasal mucosa in healthy adult - Study about the influence which heated humidification has on nasal mucosa

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000031918

Enrollment

Registered

2018-04-01

Start date

2018-02-01

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 adult

Interventions

The humidification cup A is applied twice per day while two weeks The humidification cup B is applied twice per day while two weeks

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: 1)The healthy man who detects specific bacteria from nasal mucus

Exclusion criteria

Exclusion criteria: 1)Subjects who have a skin disorder to the test product wearing part 2)Subjects who have the skin allergy condition over drugs, cosmetics, a commercial mask, and warm temperature 3)Subjects who have merged diabetes mellitus

Design outcomes

Primary

Measure	Time frame
Qualitative and quantitive analysis of the bacteria in nasal mucus	—

Secondary

Measure	Time frame
Quantitive analysis of antimicrobial peptide and evaluation of antimicrobial activity in nasal mucus	—

Countries

Japan

Contacts

Public ContactShigemi Tsuchiya

Kao Corporation Personal Health Care Products Research

tsuchiya.shigemi@kao.com03-5630-7271

Outcome results

None listed

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