Breath test may predict who benefits from asthma inhaler for chronic cough
NCT ID NCT06590740
First seen Nov 01, 2025 · Last updated May 22, 2026 · Updated 30 times
Summary
This study looked at 1000 adults with a long-lasting dry cough that might be cough-variant asthma. Researchers measured a breath marker called FeNO to see if it could predict who would feel better after 8 weeks of using an asthma inhaler (budesonide-formoterol). The goal was to find a cutoff value that helps doctors decide who will likely respond to this treatment.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Research Site
Beijing, 100029, China
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Research Site
Beijing, 100034, China
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Benxi, 117000, China
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Chengdu, 610014, China
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Chengdu, 610041, China
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Chongqing, 400000, China
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Dongguan, CN-523326, China
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Fenyang, 032299, China
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Fuzhou, 350005, China
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Guangzhou, 510000, China
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Guangzhou, 510163, China
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Guangzhou, 510515, China
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Guiyang, 550002, China
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Heifei, 230011, China
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Heze, 274400, China
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Huizhou, 516002, China
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Jiaxing, 314001, China
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Jinhua, 321000, China
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Liuzhou, 545006, China
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Nanchang, 330006, China
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Nanjing, 211100, China
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Nanyang, 473000, China
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Quanzhou, 362000, China
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Shanghai, 201114, China
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Shanghai, 310000, China
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Shangqiu, 476100, China
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Shenzhen, 518020, China
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Shijiazhuang, 050001, China
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Suzhou, 657299, China
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Taiyuan, 030001, China
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Taiyuan, 030032, China
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Weifang, 261000, China
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Wenzhou, 325000, China
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Wenzhou, 325027, China
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Xi'an, 710006, China
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Xiangtan, 411228, China
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Yantai, 264000, China
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Zhengzhou, 450000, China
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Research Site
Zunyi, 563100, China
Conditions
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