Impact of Roux-en-Y gastric bypass versus sleeve gastrectomy procedures on weight reductions among Asians: A Prospective study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20210429004

Enrollment

Registered

2021-04-29

Start date

2020-05-14

Completion date

Unknown

Last updated

2026-08-03

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

Conditions

bariatric surgery bariatric obesity Roux-en-Y gastric bypass sleeve gastrectomy

Interventions

underwent Roux-en-Y gastric bypass surgery,underwent sleeve gastrectomy surgery

Treatment,Treatment

Roux-en-Y gastric bypass ,sleeve gastrectomy

Eligibility

Sex/Gender

All

Age

18 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1. older than 18 years-old 2. body mass index over 35 kg/m2 or 32.5 kg/m2 with comorbidities 3. underwent first-time bariatric procedures.

Exclusion criteria

Exclusion criteria: taking medication known to influence body composition, having a pacemaker or other internally placed biomedical devices, having conditions associated with significant hydration changes and/or metabolic disturbances

Design outcomes

Primary

Measure	Time frame
weight baseline, 3, 6 months weighing machine	—

Secondary

Measure	Time frame
fat mass baseline, 3, 6 months bioelectrical impedance analysis	—

Countries

Thailand

Contacts

Public Contactsuwimol sapwarobol

Chulalongkorn University

suwimol.sa@chula.ac.th022181524

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026