A single-blind cross-over study examining the effects of heated humidification to nasopharynx on snoring and self-reported sleep quality in healthy adult

A single-blind cross-over study examining the effects of heated humidification to nasopharynx on snoring and self-reported sleep quality in healthy adult - The effects of heated humidification to nasopharynx on snoring and sleep

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000025380

Enrollment

Registered

2016-12-22

Start date

2016-10-01

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

Habitual snoring

Interventions

No Intervention (first night) -&gt

Intervention A (second night)-&gt

Intervention B (third night) Intervention A: Applying a test product while sleeping Intervention B: Applying a placebo product while sleeping. No Intervention (first night) -&gt

Intervention B (second night)-&gt

Intervention A (third night) Intervention A: Applying a test product while sleeping Intervention B: Applying a placebo product while sleeping.

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: The healthy man who has a habitual snoring

Exclusion criteria

Exclusion criteria: 1) Subjects who had been diagnosed as sleep apnea syndrome, or who are under treatment 2) Subjects who have chronic heart failure, chronic respiratory disease, and renal failure

Design outcomes

Primary

Measure	Time frame
The total duration of snoring and snoring sound intensity	—

Secondary

Measure	Time frame
Self-reported sleep quality using visual analog scale	—

Countries

Japan

Contacts

Public ContactShigemi Tsuchiya

Kao Corporation Personal Health Care Research

tsuchiya.shigemi@kao.co.jp03-5630-7271

Outcome results

None listed

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