Clinical Trial

4XL Study - Obesity Surgery in Adolescence

Study acronym: 4XL
Active, Not Recruiting
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Summary
The purpose of this study on adolescents between 13 and 18 years of age with morbid obesity is to determine whether surgical treatment gives more health benefits than standard conservative treatment, and if laparoscopic gastric bypass is a method with high safety and a low complication rate.
Protocol Amendment History 10 amendments
This ClinicalTrials.gov record has been amended 10 times since 2009-06-17; most recent amendment 2026-04-21.
Status change: Recruiting → Active, Not Recruiting 2023-08-08
Trial Details
NCT Number NCT00923819
Lead Sponsor Sykehuset i Vestfold HF
Collaborators: The Hospital of Vestfold
Conditions Obesity, Morbid
Enrollment 120 participants
Start Date 2009-06
Primary Completion 2033-08 (estimated)
Study Completion 2035-12 (estimated)
Updated on ClinicalTrials.gov 2026-04-24