Effects of Particulate Matter on the Pulmonary Function and Acute Exacerbation of COPD and Asthma
Effects of Particulate Matter on the Lung Function and Acute Exacerbation of COPD and Asthma Patients--A Multi-center Cohort Study
Sponsor: 3201 Hospital in Hanzhong
A observational or N/A phase clinical study on Pulmonary Function, this trial is completed. The trial is conducted by 3201 Hospital in Hanzhong and has accumulated 18 data snapshots since 2015. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.
Status Flow
Change History
18 versions recorded-
Aug 2025 — Present [monthly]
Completed
-
Sep 2024 — Aug 2025 [monthly]
Completed
-
Jul 2024 — Sep 2024 [monthly]
Completed
-
Dec 2021 — Jul 2024 [monthly]
Completed
-
Oct 2021 — Dec 2021 [monthly]
Completed
Status: Unknown Status → Completed
▶ Show 13 earlier versions
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Jan 2021 — Oct 2021 [monthly]
Unknown Status
-
Nov 2020 — Jan 2021 [monthly]
Unknown Status
-
Sep 2020 — Nov 2020 [monthly]
Unknown Status
-
Sep 2019 — Sep 2020 [monthly]
Unknown Status
Status: Recruiting → Unknown Status
-
Feb 2019 — Sep 2019 [monthly]
Recruiting
-
Dec 2018 — Feb 2019 [monthly]
Recruiting
-
Aug 2018 — Dec 2018 [monthly]
Recruiting
-
Jul 2018 — Aug 2018 [monthly]
Recruiting
-
Jun 2018 — Jul 2018 [monthly]
Recruiting
-
May 2018 — Jun 2018 [monthly]
Recruiting
-
Apr 2018 — May 2018 [monthly]
Recruiting
Phase: NA → None
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Aug 2017 — Apr 2018 [monthly]
Recruiting NA
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Jul 2017 — Aug 2017 [monthly]
Recruiting NA
First recorded
Dec 2015
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- 3201 Hospital in Hanzhong
- Beijing Boai Hospital
- Beijing Fengtai Hospital
- Cangzhou Central Hospital
- Changzhi Medical College
- Chengde Central Hospital
- Chengdu Fifth People's Hospital
- Chengdu sixth People 's Hospital
- Chinese People 's Liberation Army Navy Anqing Hospital
- Chongqing Jiangjin Central Hospital
- First People 's Hospital of Changsha
- First People 's Hospital of Kunming
- First People 's Hospital of Yunnan
- Fujian Provincial Hospital
- Guang'anmen Hospital of China Academy of Chinese Medical Sciences
- Harbin Zhongshan Asthma Hospital
- Jiangxi People 's Hospital
- Northern Jiangsu People 's Hospital
- Peking Union Medical College Hospital
- Pingxiang People 's Hospital
- Rizhao Hospital of Chinese Traditional Medicine
- Second Hospital of Jilin University
- Shanghai Zhongshan Hospital
- ShuGuang Hospital
- Sir Run Run Shaw Hospital
- Taizhou Hospital
- The Affiliated Hospital of Inner Mongolia Medical University
- The Affiliated Hospital of Medical College, Ningbo University
- The First Affiliated Hospital of the Fourth Military Medical University
- The First People's Hospital of Jingzhou
- The Second Affiliated Hospital of Harbin Medical University
- The Second Economic Hospital of Xinjiang Uygur Autonomous Region
- Third Affiliated Hospital of Xinjiang Medical University
- Wuhu County Traditional Chinese Medicine Hospital
- Xiangya Hospital of Central South University
- Xinjiang Autonomous Region People 's Hospital
- Yancheng Dafeng People 's Hospital
- the Affiliated hospital of Guilin medical university, China
For direct contact, visit the study record on ClinicalTrials.gov .