Alteration of 24-hour urine oxalate after laparoscopic sleeve gastrectomy with proximal jejunojejunal bypass

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20251007011

Enrollment

Registered

2025-10-07

Start date

2025-06-22

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

urinary tract stones Oxalate level Laparoscopic sleeve gastrectomy with proximal jejunojenal bypass Morbid obesity

Interventions

Roux-en-Y gastric bypass surgery was proved to increase in urinary oxalate levels, which increased risk of urinary tract stones. The objective of this study is to investigate whether laparoscopic slee

Prevention

laparoscopic sleeve gastrectomy with proximal jejunojejunal bypass

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Patients who scheduled laparoscopic sleeve gastrectomy with proximal jejunojejunal bypass , 2. Able to collect 24-hour urine sample

Exclusion criteria

Exclusion criteria: 1. History of urolithiasis, 2. Crohns disease, 3. Inflammatory bowel disease, 4. History of stomach surgery, 5.History of small bowel surgery

Design outcomes

Primary

Measure	Time frame
24-hour urine Oxalate 3months mg/day	—

Secondary

Measure	Time frame
24-hour urine electrolytes 3months mg/day	—

Countries

Thailand

Contacts

Public ContactThiti Wathanapanyachon

Faculty of Medicine, Khon Kaen University

thitwat@kku.ac.th043363252

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026