# CO2 vs. Air Insufflation for Endoscopic Ultrasound

> **NCT02773563** · — · COMPLETED · sponsor: **University of Bologna** · enrollment: 200 (actual)

## Conditions studied

- Lesion; Gastrointestinal
- Liver, Biliary, Pancreas and Gastrointestinal Disease, Nos

## Interventions

- **OTHER:** EUS with air insufflation
- **OTHER:** EUS with CO2 insufflation

## Key facts

- **NCT ID:** NCT02773563
- **Lead sponsor:** University of Bologna
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2016-04
- **Primary completion:** 2017-03
- **Final completion:** 2017-04
- **Target enrollment:** 200 (ACTUAL)
- **Last updated:** 2017-04-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02773563

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02773563, "CO2 vs. Air Insufflation for Endoscopic Ultrasound". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT02773563. Licensed CC0.

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