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More info
You can access this
clinical trial
if you have
and you are
between 18 and 65
years old
The primary goal of this phase is to monitor the long-term effects.
The treatment is already on the market.
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The purpose

This study aims to observe the therapeutic effect of Su-Huang antitussive capsule on cough variant asthma. The investigators hypothesize: Cough score and cough reflex sensitivity will be improved after treatment with Su-Huang antitussive capsule.

Provided treatments

  • Drug: Su-Huang antitussive capsule
  • Drug: Sugar pill

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01584804. The sponsor of the trial is The First Affiliated Hospital of Guangzhou Medical University and it is looking for 60 volunteers for the current phase.
Official trial title:
Randomised, Double-blinded, Placebo-Controlled Study of Therapeutic Effect of Su-Huang Antitussive Capsule on Cough Variant Asthma(CVA)