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RETRAB

Transit bipartition as revisional surgery after suboptimal outcome of laparoscopic sleeve gastrectomy (RETRAB): a feasibility study - RETRAB

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
NL-OMON
Registry ID
NL-OMON58479
Enrollment
20
Registered
2026-01-28
Start date
2026-05-01
Completion date
Unknown
Last updated
2026-04-14

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

Conditions

Transit bipartition procedure Transit bipartition procedure

Interventions

The intervention consists of laparoscopic transit bipartition as revisional surgery for patients with prior LSG. The procedure creates a side-to-side gastro-ileal anastomosis to allow food to pass thr

Sponsors

Franciscus
Lead Sponsor

Eligibility

Age
18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Patients aged 18 years or older who have previously undergone sleeve gastrectomy and are considered candidates for revisional surgery due to insufficient weight loss or weight regain (suboptimal clinical response) are eligible for the study. Eligible patients must have adequate proficiency in Dutch or English and be able to provide written informed consent.

Exclusion criteria

Exclusion criteria: Patients with impaired mental capacity, contraindications to general anesthesia, prior open abdominal surgery, or a hiatal hernia are excluded. 

Design outcomes

Primary

MeasureTime frame
The primary outcome is the feasibility of the transit bipartition procedure, which will be assessed based on recruitment rate, inclusion rate, completion rate, technical failure rate and duration of surgery in minutes.

Secondary

MeasureTime frame
Secondary outcomes include postoperative complications, weight loss at 3 months postoperatively, as well as the length of hospital stay in days.

Countries

Netherlands

Contacts

Public ContactM.M.A. Kwakkelstein

Franciscus

m.kwakkelstein@franciscus.nl0613158707

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP) · Data processed: Apr 17, 2026