Study on the evaluation of mucosal ciliary transport function using endoscopy

Study on the evaluation of mucosal ciliary transport function using endoscopy - Study on the evaluation of mucosal ciliary transport function

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000046422

Enrollment

Registered

2021-12-21

Start date

2014-01-01

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

dysphagia

Interventions

Thicken water made with thickener and saccharin granules as solvent is placed in the nasal cavity and saccharin time is measured. Nectar-like thickened water (with low viscosity) and honey-like thick

Easy, Hormel) or xanthan-gum-based thickening agent (Thicken Up Clear, Nestle). This resulted in a total of four types of thickened water samples. The nectar-like and honey-like thickened water sample

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy adults who consented to participate in this study.

Exclusion criteria

Exclusion criteria: Those who had a cold or acute respiratory illness within 2 weeks of the study, those with a history of chronic rhinitis or chronic sinusitis, those with anatomical malformations of the nose, smokers, and those taking drugs were not included in the study.

Design outcomes

Primary

Measure	Time frame
Evaluate within 1 hour. Consider whether mucociliary transport will require more time.	—

Countries

Japan

Contacts

Public ContactKanji Nohara

Graduate School of Dentistry Osaka University Department of Oral Facial Disorders

nohara@dent.osaka-u.ac.jp0668792278

Outcome results

None listed

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