Endoscopy Every 2 Years or Only as Needed in Monitoring Patients With Barrett Esophagus
Barrett's Oesophagus Two Yearly Surveillance Versus Endoscopy at Need: a Randomised Controlled Trial to Estimate Effectiveness and Cost-effectiveness Study (BOSS)
Sponsor: Gloucestershire Hospitals NHS Foundation Trust
Listed as NCT00987857, this NA trial focuses on Esophageal Cancer and Precancerous Condition and remains ongoing. Sponsored by Gloucestershire Hospitals NHS Foundation Trust, it has been updated 7 times since 2009, reflecting limited change activity. This study contributes to the evolving evidence base for cancer treatment protocols.
Status Flow
Change History
7 versions recorded-
Sep 2024 — Present [monthly]
Unknown NA
-
Jul 2024 — Sep 2024 [monthly]
Unknown NA
Status: Unknown Status → Unknown
-
Jun 2022 — Jul 2024 [monthly]
Unknown Status NA
Status: Active Not Recruiting → Unknown Status
-
Jan 2021 — Jun 2022 [monthly]
Active Not Recruiting NA
-
Jun 2018 — Jan 2021 [monthly]
Active Not Recruiting NA
▶ Show 2 earlier versions
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Sep 2017 — Jun 2018 [monthly]
Active Not Recruiting NA
Status: Unknown Status → Active Not Recruiting · Phase: PHASE3 → NA
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Jan 2017 — Sep 2017 [monthly]
Unknown Status PHASE3
First recorded
Mar 2009
Trial started
Per CT.gov start date — pre-dates our first snapshot
Eligibility Summary
No eligibility information available.
Contact Information
- Gloucestershire Hospitals NHS Foundation Trust
For direct contact, visit the study record on ClinicalTrials.gov .