# Defining Benchmarks in Bariatric Surgery

> **NCT03440138** · — · COMPLETED · sponsor: **Marco Bueter** · enrollment: 5741 (actual)

## Conditions studied

- Benchmark
- Bariatric Surgery
- Roux-en-y Gastric Bypass
- Sleeve Gastrectomy
- Complications

## Interventions

- **PROCEDURE:** bariatric surgery (RYGB or SG)

## Key facts

- **NCT ID:** NCT03440138
- **Lead sponsor:** Marco Bueter
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2017-10-17
- **Primary completion:** 2018-09-10
- **Final completion:** 2019-09-17
- **Target enrollment:** 5741 (ACTUAL)
- **Last updated:** 2019-09-19

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03440138

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03440138, "Defining Benchmarks in Bariatric Surgery". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT03440138. Licensed CC0.

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