Unknown NA INTERVENTIONAL 2-arm NCT04554758

Comparative Analysis Between Sleeve Gastrectomy and Roux-en Y Gastric Bypass in Bariatric Operation

Korean OBEsity Surgical Treatment Study(KOBESS-II) : Protocol of a Prospective Multicenter Cohort Study on Morbid Obesity Patients Undergoing Sleeve Gastrectomy Versus Roux-en Y Gastric Bypass

Sponsor: Inha University Hospital

Conditions Body Weight Changes Nutrition Disorders Obesity, Morbid Overnutrition Overweight and Obesity

Interventions Roux-en-Y gastric bypass Sleeve gastrectomy

Updated 7 times since 2020 Last updated: Oct 6, 2020 Started: Sep 1, 2020 Primary completion: Aug 31, 2022 Completion: Aug 31, 2023

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT04554758, this NA trial focuses on Body Weight Changes and Nutrition Disorders and remains ongoing. Sponsored by Inha University Hospital, it has been updated 7 times since 2020, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

Change History

7 versions recorded

Sep 2025 — Present [monthly]

Unknown NA
Sep 2024 — Sep 2025 [monthly]

Unknown NA
Jul 2024 — Sep 2024 [monthly]

Unknown NA

Status: Unknown Status → Unknown
Oct 2023 — Jul 2024 [monthly]

Unknown Status NA

Status: Recruiting → Unknown Status
Jan 2021 — Oct 2023 [monthly]

Recruiting NA

▶ Show 2 earlier versions

Nov 2020 — Jan 2021 [monthly]

Recruiting NA
Oct 2020 — Nov 2020 [monthly]

Recruiting NA

First recorded

Sep 2020

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Inha University Hospital
Korean Center for Disease Control and Prevention

Data source: Inha University Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Incheon, South Korea