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ATP and Capsaicin Cough Provocation Test in Chronic Cough and Bronchiectasis

NCT03638063 · Status: UNKNOWN · Type: OBSERVATIONAL · Enrollment: 200

Last updated 2020-02-11

No results posted yet for this study

Summary

This is a randomized, cross-over, single-blind trial. Eligible patients will be randomly assigned to undergo either capsaicin or adenosine triphosphate (ATP) cough provocation test, followed by a washout period of 2 to 14 days. Participants will be crossed-over to undergo another cough provocation test. Patient would be under observation in the out-patient clinics for \~2 hours following the cough provocation tests in case of severe adverse events.

Conditions

Interventions

DIAGNOSTIC_TEST

Adenosine Triphosphate

Adenosine Triphosphate aerosol

DIAGNOSTIC_TEST

capsaicin

capsaicin aerosol

Sponsors & Collaborators

  • Guangzhou Institute of Respiratory Disease

    lead OTHER

Principal Investigators

  • Ke-fang Lai, MD · Guangzhou Institute of Respiratory Health Locations: China, Guangdong First Affiliated Hospital of Guangzhou Medical

Eligibility

Min Age
18 Years
Max Age
60 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2018-10-29
Primary Completion
2020-07-31
Completion
2020-07-31

Countries

  • China

Study Locations

More Related Trials

Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03638063 on ClinicalTrials.gov