New inhaled drug aims to ease COPD breathing
NCT ID NCT07147946
First seen Jun 25, 2026 · Last updated Jun 26, 2026 · Updated 2 times
Summary
This Phase 3 trial tests an inhaled drug called TQC3721 in 666 people with moderate-to-severe COPD. The drug works by reducing inflammation and opening airways. Participants will inhale the drug or a placebo daily for up to 24 weeks to see if it improves lung function.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- TQC3721 suspension for inhalation (a PDE3/4 inhibitor)
- What this could lead to
- If successful, this could provide a new inhaled treatment option to help control COPD symptoms and improve lung function.
- What could go wrong
- This is a Phase 3 trial, but results may not show significant benefit over placebo. Side effects from the drug are possible, and it is not a cure.
This is an AI summary of the original study and may miss details. Read our disclaimer.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Affiliated Hospital of Jining Medical University
Jining, Shandong, 272029, China
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Affiliated Hospital of North Sichuan Medical College
Nanchong, Sichuan, 637000, China
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Baoji Central Hospital
Baoji, Shanxi, 721008, China
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Baotou Central Hospital
Baotou, Inner Mongolia, 14000, China
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Binzhou People's Hospital
Binzhou, Shandong, 256610, China
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Bozhou People's Hospital
Bozhou, Anhui, 236805, China
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Cangzhou Hospital of Integrated TCM- WM·HEBEI
Cangzhou, Hebei, 61013, China
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Central Hospital of Dalian University of Technology
Dalian, Liaoning, 116000, China
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Changzhi People's Hospital
Changzhi, Shanxi, 46000, China
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Chaohu Hospital of Anhui Medical University
Hefei, Anhui, 238000, China
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Chengdu Second People's Hospital
Chengdu, Sichuan, 610017, China
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Chifeng Municipal Hospital
Chifeng, Inner Mongolia, 24000, China
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Chizhou People's Hospital
Chizhou, Anhui, 247000, China
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Chongqing University Three Gorges Hospital
Chongqing, Chongqing Municipality, 404000, China
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Daqing Longnan Hospital
Daqing, Heilongjiang, 163000, China
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Dongyang People's Hospital
Jinhua, Zhejiang, 322100, China
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Fujian Medical University Union Hospital
Fuzhou, Fujian, 350000, China
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Fuling Hospital Affiliated to Chongqing University
Chongqing, Chongqing Municipality, 408099, China
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Gansu Provincial Hospital
Lanzhou, Gansu, 730099, China
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Guizhou Provincial People's Hospital
Guiyang, Guizhou, 550000, China
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Hebei Medical University Third Hospital
Shijiazhuang, Hebei, 65799, China
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Hebei PetroChina Central Hospital
Langfang, Hebei, 65000, China
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Heze Municipal Hospital
Heze, Shandong, 274031, China
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Huizhou Central People's Hospital
Huizhou, Guangdong, 516000, China
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Hunan Provincial People's Hospital
Changsha, Hunan, 410001, China
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Inner Mongolia Medical University Affiliated Hospital
Hohhot, Inner Mongolia, 10000, China
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Jiangxi Provincial People's Hospital
Nanchang, Jiangxi, 330006, China
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Jiangyin Hospital of Traditional Chinese Medicine
Wuxi, Jiangsu, 214400, China
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Jiaozuo Second People's Hospital
Jiaozuo, Henan, 454001, China
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Jinhua municipal central hospital
Jinhua, Zhejiang, 321000, China
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Jiujiang First People's Hospital
Jiujiang, Jiangxi, 332000, China
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Longgang District People's Hospital of Shenzhen
Shenzhen, Guangdong, 518000, China
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Mianyang Central Hospital
Mianyang, Sichuan, 621000, China
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Mianyang Hospital of Traditional Chinese Medicine
Mianyang, Sichuan, 621000, China
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Nanjing Jiangning Hospital
Nanjing, Jiangsu, 21100, China
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Peking University Shenzhen Hospital
Shenzhen, Guangdong, 518000, China
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Peolpe's Hospital Of Chongqing Banan District
Chongqing, Chongqing Municipality, 400054, China
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Puyang Oilfield General Hospital
Puyang, Henan, 457001, China
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Qinghai Provincial People's Hospital
Xining, Qinghai, 810007, China
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Qiqihar First Hospital
Qiqihar, Heilongjiang, 161005, China
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Ruijin Hospital, Shanghai Jiaotong University School of Medicine
Shanghai, Shanghai Municipality, 200023, China
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Shanghai General Hospital
Shanghai, Shanghai Municipality, 200080, China
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Shaoxing People's Hospital
Shaoxing, Zhejiang, 312000, China
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Shengjing Hospital of China Medical University
Shenyang, Liaoning, 110021, China
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Subei People's Hospital of Jiangsu province
Yangzhou, Jiangsu, 225001, China
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Suining Central Hospital
Suining, Sichuan, 629099, China
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Taizhou Central Hospital
Taizhou, Zhejiang, 318000, China
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The Central Hospital of Yongzhou
Yongzhou, Hunan, 425002, China
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The Eighth Affiliated Hospital of Southern Medical University(The First people's Hospital of Shunde )
Foshan, Guangdong, 528300, China
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The Fifth People's Hospital of Wuxi
Wuxi, Jiangsu, 214001, China
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The First Affiliated Hospital of Chengdu Medical College
Chengdu, Sichuan, 610000, China
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The First Affiliated Hospital of Chongqing Medical University
Chongqing, Chongqing Municipality, 400010, China
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The First Affiliated Hospital of Hainan Medical University
Haikou, Hainan, 570102, China
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The First Affiliated Hospital of Harbin Medical University
Harbin, Heilongjiang, 150001, China
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The First Affiliated Hospital of Nanchang University
Nanchang, Jiangxi, 330006, China
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The First Affiliated Hospital of Ningbo University
Ningbo, Zhejiang, 315000, China
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The First Affiliated Hospital of Shihezi University
Shihezi, Xinjiang, 832008, China
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The First Hospital of Lanzhou University
Lanzhou, Gansu, 730000, China
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The First Hospital of Qinhuangdao
Qinhuangdao, Hebei, 66000, China
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The First People's Hospital of Shangqiu
Shangqiu, Henan, 476100, China
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The Second Affiliated Hospital of Wenzhou Medical University
Wenzhou, Zhejiang, 325000, China
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The Second Hospital of Jiaxing
Jiaxing, Zhejiang, 314000, China
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The first hospital of Jilin University
Changchun, Jilin, 130000, China
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Tianjin 4th Center Hospital
Tianjin, Tianjin Municipality, 300140, China
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Tianjin Medical University General Hospital
Tianjin, Tianjin Municipality, 300052, China
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Weifang NO.2 People's Hospital
Weifang, Shandong, 261041, China
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West China Hospital of Sichuan University
Chengdu, Sichuan, 610044, China
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Xi'an International Medical Center Hospital
Xi'an, Shaanxi, 710100, China
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Xiangya Hospital of Central South University
Changsha, Hunan, 410028, China
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Xuzhou Central Hospital
Xuzhou, Jiangsu, 221009, China
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Yan'an University Xianyang Hospital
Xianyang, Shaanxi, 712000, China
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Yangquan coal Industry(Group) General Hospital
Yangquan, Shanxi, 45000, China
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Yantai Yuhuangding Hospital
Yantai, Shandong, 264099, China
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Yichang Central People's Hospital
Yichang, Hubei, 443003, China
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Yixing People's Hospital
Yixing, Jiangsu, 225000, China
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Zhangzhou Municipal Hospital of Fujian Province
Zhangzhou, Fujian, 363000, China
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