Efficacy and Tolerability Study in Severe Chronic Obstructive Pulmonary Disease (COPD) Patients (SECURE2)
Efficacy and Tolerability Study of Symbicort Turbuhaler(160/4.5µg/Inhalation,2inhalations Twice Daily) Added to Atrovent (20µg/Inhalation, 2 Inhalations 4 Times Daily)+Theophylline SR(0.1g/Tablet,1 Tablet p.o. Twice Daily) Compared With Atrovent+Theophylline SR in Severe COPD Patients.
Sponsor: AstraZeneca
A PHASE4 clinical study on Chronic Obstructive Pulmonary Disease (COPD), this trial is completed. The trial is conducted by AstraZeneca and has accumulated 8 data snapshots since 2011. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.
Status Flow
Change History
8 versions recorded-
Sep 2025 — Present [monthly]
Completed PHASE4
-
Sep 2024 — Sep 2025 [monthly]
Completed PHASE4
-
Jul 2024 — Sep 2024 [monthly]
Completed PHASE4
-
Jan 2021 — Jul 2024 [monthly]
Completed PHASE4
-
Aug 2019 — Jan 2021 [monthly]
Completed PHASE4
▶ Show 3 earlier versions
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Jun 2018 — Aug 2019 [monthly]
Completed PHASE4
-
Feb 2017 — Jun 2018 [monthly]
Completed PHASE4
-
Jan 2017 — Feb 2017 [monthly]
Completed PHASE4
First recorded
Sep 2011
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- AstraZeneca
For direct contact, visit the study record on ClinicalTrials.gov .
Study Locations
Beijing, China , Changchun, China , Changsha, China , Chengdu, China , Chongqin, China , Dalian, China , Foshan, China , Guangzhou, China , Ha'er BING, China , Haikou, China and 11 more locations