The association of TRPV1 expression on airway inflammatory cells with the pathophysiology of asthma

The association of TRPV1 expression on airway inflammatory cells with the pathophysiology of asthma - The association of TRPV1 expression on airway inflammatory cells with the pathophysiology of asthma

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000040632

Enrollment

Registered

2020-06-02

Start date

2020-05-15

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

Asthma

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients with asthma who underwent sputum induction test and capsaicin cough challenge test from September 2015 to March 2020. 2. Healthy subjects who participated in the study registered on the UMIN Clinical Trials Registry (Registry ID UMIN000018672).

Exclusion criteria

Exclusion criteria: None

Design outcomes

Primary

Measure	Time frame
To investigate the association of TRPV1 expression on airway inflammatory cells with severe asthma	—

Secondary

Measure	Time frame
To investigate the association of TRPV1 expression on airway inflammatory cells with capsaicin cough refex sensitivity, blood eosinophil/neutrophil counts, FeNO, and pulmonary function.	—

Countries

Japan

Contacts

Public ContactYoshihiro Kanemitsu

Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan Department of Respiratory Medicine, Allergy and Clinical Immunology,

kaney32@med.nagoya-cu.ac.jp0528538216

Outcome results