3E Extension Study (3E Ex)
A 3-year, Open-lable, Multi-center Extension Trial of Entecavir Plus Adefovir Combination Treatment for Patients Previously Treated in EXPLORE, EXCEL and EFFORT Ex Study
Sponsor: Major Science and Technology Special Project of China 12th Five-year
Listed as NCT01834508, this PHASE4 trial focuses on Chronic Hepatitis B and remains ongoing. Sponsored by Major Science and Technology Special Project of China 12th Five-year, it has been updated 7 times since 2013, reflecting limited change activity. This study is part of the global effort to build evidence for infectious disease interventions.
Status Flow
Change History
7 versions recorded-
Sep 2025 — Present [monthly]
Unknown PHASE4
-
Sep 2024 — Sep 2025 [monthly]
Unknown PHASE4
-
Jul 2024 — Sep 2024 [monthly]
Unknown PHASE4
Status: Unknown Status → Unknown
-
Jul 2023 — Jul 2024 [monthly]
Unknown Status PHASE4
-
Jan 2021 — Jul 2023 [monthly]
Unknown Status PHASE4
▶ Show 2 earlier versions
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Jun 2018 — Jan 2021 [monthly]
Unknown Status PHASE4
-
Jan 2017 — Jun 2018 [monthly]
Unknown Status PHASE4
First recorded
Mar 2013
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Major Science and Technology Special Project of China 12th Five-year
- Nanfang Hospital, Southern Medical University
For direct contact, visit the study record on ClinicalTrials.gov .
Study Locations
Beijing, China , Changchun, China , Changsha, China , Chengdu, China , Chongqing, China , Foshan, China , Fuzhou, China , Guangzhou, China , Hangzhou, China , Jinan, China and 6 more locations