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
1 other identifier
interventional
400
1 country
1
Brief Summary
Prospective, double-arm, multi-center cohort study on obese patients, for laparoscopic sleeve gastrectomy versus Roux-en Y gastric bypass
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started Sep 2020
Typical duration for not_applicable
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
September 1, 2020
CompletedFirst Submitted
Initial submission to the registry
September 9, 2020
CompletedFirst Posted
Study publicly available on registry
September 18, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 31, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
August 31, 2023
CompletedOctober 8, 2020
October 1, 2020
2 years
September 9, 2020
October 6, 2020
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Obesity Cure Success Rate
Proportion of patients who reach BMI bellow 25
Postoperative 1 year
Body weight change rate
Decreased body weight proportion compare to preoperative body weight
Postoperative 1 year
Waist circumference change rate
Decreased waist circumference change proportion compare to preoperative waist circumference
Postoperative 1 year
Secondary Outcomes (8)
Rate of morbid disease remission or partial remission
Postoperative 1 year, 2 year
Postoperative complication rate and mortality rate
Within postoperative 30 days
Micronutrient deficiency
Postoperative 1 year, 2 year
Quality of life improvement rate and degree-1
Postoperative 1 year, 2 year
Quality of life improvement rate and degree-2
Postoperative 1 year, 2 year
- +3 more secondary outcomes
Study Arms (2)
Sleeve gastrectomy
EXPERIMENTAL200 obesity patients who undergo laparoscopic sleeve gastrectomy
Roux-en-Y gastric bypass
EXPERIMENTAL200 obesity patients who undergo laparoscopic Roux-en-Y gastric bypass
Interventions
Bariatric operation will be done by laparoscopic sleeve gastrectomy procedure.
Bariatric operation will be done by laparoscopic Roux-en-Y gastric bypass procedure.
Eligibility Criteria
You may qualify if:
- obesity patients(BMI over 35)
- morbid obesity patients(BMI over 30) with cardiovascular disease, hypertension, hyperlipidemia, type 2 diabetes mellitus, obstructive sleep apnea
- type 2 diabetes mellitus obesity patients(BMI over 27.5) who were treated medical therapy or HbA1C level over 7%
You may not qualify if:
- Patients who underwent previously bariatric operation
- Patients who were diagnosed malignant disease patients within 5 years
- Patients who were involved with other clinical trial within 3 months
- Patients who are risky to conduct general anesthesia for operation
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Inha University Hospital
Incheon, South Korea
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Yoon Seok Heo, Professor
Inha University Hospital
- STUDY DIRECTOR
Do Joong Park, Professor
Seoul National University Hospital
- STUDY DIRECTOR
Yong Suk Park, Professor
Seoul National University Bundang Hospital
- STUDY DIRECTOR
Seung Wan Ryu, Professor
Keimyung University Hospital
- STUDY DIRECTOR
Moon Won Yoo, Professor
Ulsan univertisy Seoul Asan Medical Center
- STUDY DIRECTOR
Han Hong Lee, Professor
The Catholic University of Korea
- STUDY DIRECTOR
Ji Yeon Park, Professor
Kyungpook National University Hospital
- STUDY DIRECTOR
Sang Hyun Kim, Professor
Soonchunhyang University Hospital
- STUDY DIRECTOR
Jong Won Kim, Professor
Chung-Ang University Hopspital
- STUDY DIRECTOR
Jong Han Kim, Professor
Korea University Medical Center(Guro Hospital)
- STUDY DIRECTOR
In Seob Lee, Professor
Ulsan univertisy Seoul Asan Medical Center
- STUDY DIRECTOR
In Gyu Kwon, Professor
Yonsei University Medical Center(Gangnam Hospital)
- STUDY DIRECTOR
Tae Kyung Ha, Professor
Hanyang University
- STUDY DIRECTOR
Sung Il Choi, Professor
Kyung Hee University Hospital at Gangdong
- STUDY DIRECTOR
Kyung Won Seo, Professor
Kosin University Gospel Hospital
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor
Study Record Dates
First Submitted
September 9, 2020
First Posted
September 18, 2020
Study Start
September 1, 2020
Primary Completion
August 31, 2022
Study Completion
August 31, 2023
Last Updated
October 8, 2020
Record last verified: 2020-10