Setting the reference range of the provocholine cough test by the Astograph method

Not Applicable

Recruiting

• Conditions: cough variant asthma; cough variant astma, cough, methacholine

• Registration Number: JPRN-jRCT1041220103
• Lead Sponsor: Johsuke Hara

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2022-12-13
• Last Update Posted: 17 October 2023

Recruitment & Eligibility

• Status: Recruiting
• Sex: All
• Target Recruitment: 120

Inclusion Criteria

Men and women over 20 years old
Adults with no history or symptoms of respiratory illness
After sufficient informed consent to participate in this study, the patient's free will to give written consent.

Exclusion Criteria

Those with hyperthyroidism
Those with cardiovascular disease with bradycardia
Those with peptic ulcer disease
Those with Addison's disease
Those with gastrointestinal or urinary tract obstruction
Those with epilepsy
Those with parkinsonism
Those with vagal hypervagus
Those with myasthenia gravis who regularly take cholinesterase inhibitors
Those with moderate airflow limitation (%FEV1 <70% or FEV1 <1.5 L)
Those who are pregnant or breastfeeding
Those who have a fever of 37 degrees or higher
Those who have been infected with the new coronavirus within the last month
Those who are judged to be inappropriate by the principal investigator or co-investigator

Study & Design

• Study Type: Interventional
• Study Design: Not specified