Chinese Obesity and MEtabolic Surgery Database (COMES Database)

Chinese Obesity and MEtabolic Surgery Database

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT06275061

Acronym

COMES

Enrollment

1000000

Registered

2024-02-23

Start date

2020-05-01

Completion date

2040-12-31

Last updated

2024-02-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bariatric Surgery, Metabolic Surgery, Obesity, Weight Loss

Keywords

Obesity, Metabolic Surgery, Bariatric Surgery, Weight Loss

Brief summary

The purpose of the Chinese Obesity and MEtabolic Surgery Database (COMES Database) is to collect data and examine the long-term effects of metabolic and bariatric surgery on obesity and metabolic disorders in the Chinese population.

Detailed description

COMES Database is a prospective managed national database to collect data and examine the long-term effects of metabolic and bariatric surgery on obesity and metabolic disorders in the Chinese population.

Interventions

PROCEDUREMetabolic and Bariatric Surgery

Metabolic and bariatric surgery is weight loss surgery that results in weight loss and resolution of metabolic disorders.

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Healthy volunteers

Yes

Inclusion criteria

* Patients diagnosed as obesity undergoing metabolic and bariatric surgery.

Exclusion criteria

* Patients treated by non-surgical modalities.

Design outcomes

Primary

Measure	Time frame	Description
Excess weight loss effect of metabolic and bariatric surgery after 1 year	1 year	Percent excess weight loss (%EWL) = \[(initial weight)-(post-op weight)\]/\[(initial weight)-(ideal weight)\]

Secondary

Measure	Time frame	Description
Excess weight loss effect of metabolic and bariatric surgery in long-term follow-ups	3 years	Percent excess weight loss (%EWL) = \[(initial weight)-(post-op weight)\]/\[(initial weight)-(ideal weight)\]
Glycemic control effect of metabolic and bariatric surgery after 1 year	1 year	Change of HbA1c levels
Glycemic control effect of metabolic and bariatric surgery in long-term follow-ups	3 years	Change of HbA1c levels

Other

Measure	Time frame	Description
Adverse events rate of metabolic and bariatric surgery	30 days after surgery	Surgical safety by 30 days follow-up according to guideline

Countries

China

Contacts

Primary ContactWah Yang, MD

yangwah@qq.com+8615920373823

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026