The research on whether there are difference between intranasal pH in each sinonasal disease

measurement of intranasal pH of each sinonasal disease - measurement of intranasal pH

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000042875

Enrollment

160

Registered

2021-01-05

Start date

2021-01-05

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

chronic sinusitis, sensorineural olfactory dysfunction

Interventions

To measure nasal pH of each participant. We will measure nasal floor, nasal septum, inferior turbinate, middle turbinate, olfactory cleftIt on bilateral side. The pH value will be measured 3 times fo

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy control of adult people from 18 years old. Patient with chronic sinusitis and sensoryneural olfactory disfunction.

Exclusion criteria

Exclusion criteria: Patient who cannot understand this research

Design outcomes

Primary

Measure	Time frame
anterior nasal examination, nasal pH measurement	—

Secondary

Measure	Time frame
Healthy subjects: olfactory questionnaire (VAS), daily odor questionnaire, card-type olfactory identification ability test (Open Essence), Likert scale Patients with nasal sinus disease, neurological olfactory disorder: CT, nasal fiber, blood test in addition to the above	—

Countries

Japan

Contacts

Public ContactRumi Sekine

Jikei University School of Medicine Otorhinolaryngology Department

rmsekine@jikei.ac.jp03-3433-1111

Outcome results

None listed

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