# The PREBA Study: Effect of Preoperative Weight Loss With a 14-day Low-calorie Diet on Surgical Procedure and Outcomes in Patients Undergoing RYGB Surgery

> **NCT04433338** · NA · ACTIVE_NOT_RECRUITING · sponsor: **Rijnstate Hospital** · enrollment: 80 (estimated)

## Conditions studied

- Bariatric Surgery
- Morbid Obesity

## Interventions

- **OTHER:** 14-day Low Calorie Diet

## Key facts

- **NCT ID:** NCT04433338
- **Lead sponsor:** Rijnstate Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2020-09-29
- **Primary completion:** 2022-06-22
- **Final completion:** 2027-07
- **Target enrollment:** 80 (ESTIMATED)
- **Last updated:** 2025-01-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04433338

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04433338, "The PREBA Study: Effect of Preoperative Weight Loss With a 14-day Low-calorie Diet on Surgical Procedure and Outcomes in Patients Undergoing RYGB Surgery". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04433338. Licensed CC0.

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