# Effect of Ondansetron on Patient Tolerance, Efficacy and Endoscopist Workload in Unsedated Endoscopy for Upper Gastrointestinal Bleeding

> **NCT07336680** · PHASE4 · NOT_YET_RECRUITING · sponsor: **Peking Union Medical College Hospital** · enrollment: 80 (estimated)

## Conditions studied

- Esophagogastroduodenoscopy
- Upper Gastrointestinal Bleeding (UGIB)

## Interventions

- **DRUG:** intravenous ondansetron
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT07336680
- **Lead sponsor:** Peking Union Medical College Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-01-01
- **Primary completion:** 2026-05
- **Final completion:** 2026-06
- **Target enrollment:** 80 (ESTIMATED)
- **Last updated:** 2026-01-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07336680

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07336680, "Effect of Ondansetron on Patient Tolerance, Efficacy and Endoscopist Workload in Unsedated Endoscopy for Upper Gastrointestinal Bleeding". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT07336680. Licensed CC0.

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