NCT04762849

Brief Summary

Background and study aims: Currently, the gastric bypass is increasingly performed in the version of the mini gastric bypass (MGB). Another name for the procedure: one anastomosis gastric bypass (OAGB). Insufficient weight loss after bariatric surgery or weight gain after surgery is a common big problem in weight loss surgery. The use of unregulated and uncontrolled bands and rings is not always effective according to previous studies. This study compares the loss of weight after the laparoscopic banded one anastomosis gastric bypass with the use of a shape-memory ring and standard laparoscopic one anastomosis gastric bypass. Methods: Adult participants (n=100) are randomly allocated to one of two groups: Experimental surgical bariatric procedure in the first (A) group: patients (n=50) will undergo the laparoscopic banded one anastomosis gastric bypass with use of a shape-memory ring (MGB/OAGB+SMR group); Active comparator surgical bariatric procedure in the second (B) group: patients (n=50) will undergo the laparoscopic one anastomosis gastric bypass (MGB/OAGB group) without band: standard surgery. All patients are then followed up 12, 24, 36 months after surgery where record the changing body mass index.

Trial Health

30
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Apr 2021

Typical duration for not_applicable obesity

Geographic Reach
1 country

1 active site

Status
withdrawn

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

First Submitted

Initial submission to the registry

February 14, 2021

Completed
7 days until next milestone

First Posted

Study publicly available on registry

February 21, 2021

Completed
1 month until next milestone

Study Start

First participant enrolled

April 1, 2021

Completed
3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2024

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2024

Completed
Last Updated

May 15, 2023

Status Verified

May 1, 2023

Enrollment Period

3 years

First QC Date

February 14, 2021

Last Update Submit

May 11, 2023

Conditions

Keywords

ObesityBariatric surgeryRing with shape memoryOne anastomosis gastric bypass

Outcome Measures

Primary Outcomes (1)

  • Change of body mass index

    The measure is assessing a change of body mass index. Weight (kg) and height (cm) will be combined with the report of measurement by body mass index (BMI) kg/m2.

    Baseline, at 12, 24, 36 months after surgery

Study Arms (2)

laparoscopic banded one anastomosis gastric bypass with use of a shape-memory ring (MGB/OAGB+SMR)

EXPERIMENTAL

Laparoscopic banded one anastomosis gastric bypass with use of a shape-memory ring (MGB/OAGB+SMR) include the creation of a gastric pouch; a jejunal loop measure about 200 cm from the ligament of Treitz and anastomosed to the gastric pouch. A ring with shape memory put on the gastric pouch

Procedure: Laparoscopic one anastomosis gastric bypassDevice: A shape-memory ring for adjustable gastric banding

laparoscopic one anastomosis gastric bypass (MGB/OAGB) without band: standard surgery

ACTIVE COMPARATOR

Laparoscopic one anastomosis gastric bypass (MGB/OAGB) include the creation of a gastric pouch; a jejunal loop measure about 200 cm from the ligament of Treitz and anastomosed to the gastric pouch.

Procedure: Laparoscopic one anastomosis gastric bypass

Interventions

Laparoscopic one anastomosis gastric bypass include the creation of gastric pouch; a jejunal loop measure about 200 cm from the ligament of Treitz and anastomosed to the gastric pouch. For the creation of a gastric pouch and gastroenterostomy use a linear stapler.

laparoscopic banded one anastomosis gastric bypass with use of a shape-memory ring (MGB/OAGB+SMR)laparoscopic one anastomosis gastric bypass (MGB/OAGB) without band: standard surgery

A shape-memory ring (SMR) use for adjustable gastric banding. SMR is placed around the gastric pouch above the gastro-entero-anastomosis.

laparoscopic banded one anastomosis gastric bypass with use of a shape-memory ring (MGB/OAGB+SMR)

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Clinical diagnosis of Obesity;
  • BMI from 30 to 50 kg / m2.

You may not qualify if:

  • Insulin-dependent diabetes;
  • BMI less than 30 kg / m2 and more than 50 kg / m2.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University medical center

Astana, 010000, Kazakhstan

Location

MeSH Terms

Conditions

Obesity

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Oral Ospanov, Professor

    Corporate Foundation "University Medical Center" (UMC)

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Model Details: Participants are randomly allocated to one of two groups: Experimental surgical bariatric procedure in the first (A) group: patients will undergo the laparoscopic banded one anastomosis gastric bypass with use of a shape-memory ring (MGB/OAGB+SMR); Active comparator surgical bariatric procedure in the second (B) group: patients will undergo the laparoscopic one anastomosis gastric bypass (MGB/OAGB) without band: standard surgery.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor Oral Ospanov

Study Record Dates

First Submitted

February 14, 2021

First Posted

February 21, 2021

Study Start

April 1, 2021

Primary Completion

April 1, 2024

Study Completion

May 1, 2024

Last Updated

May 15, 2023

Record last verified: 2023-05

Data Sharing

IPD Sharing
Will not share

Locations