A study on the characteristics of taste disorders induced by selective P2X3 receptor antagonists in patients with asthmatic refractory cough

A study on the characteristics of taste disorders induced by selective P2X3 receptor antagonists in patients with asthmatic refractory cough - taste disorders caused by P2X3 receptor antagonists in asthmatic refractory cough

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000060880

Enrollment

Registered

2026-03-10

Start date

2026-03-02

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.Adult patients diagnosed with asthmatic refractory chronic cough between January 2021 and December 2025. 2.Patients who received P2X3 receptor antagonists for 6 months. 3.Patients who completed both cough- and taste-related questionnaires as well as electrogustometry tests.

Exclusion criteria

Exclusion criteria: 1. Patients deemed ineligible for this study by the investigators or research staff.

Design outcomes

Primary

Measure	Time frame
Changes in the four basic taste modalities on the visual analog scale from baseline to 6 months after treatment	—

Countries

Japan

Contacts

Public ContactTomoko Tajiri

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

tomokot@med.nagoya-cu.ac.jp81528538216

Outcome results