# Comparative Study Between the Efficacy of Verapamil and Bisoprolol on Reduction of Bleeding During Endoscopic Sinus Surgery Under General Anaesthesia.

> **NCT04356196** · EARLY_PHASE1 · UNKNOWN · sponsor: **Assiut University** · enrollment: 135 (estimated)

## Conditions studied

- Endoscopic Sinus Surgery
- Heart Rate
- Blood Loss

## Interventions

- **DRUG:** Verapamil
- **DRUG:** Bisoprolol
- **DRUG:** Placebo oral tablet

## Key facts

- **NCT ID:** NCT04356196
- **Lead sponsor:** Assiut University
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-06-15
- **Primary completion:** 2021-12-28
- **Final completion:** 2021-12-30
- **Target enrollment:** 135 (ESTIMATED)
- **Last updated:** 2021-12-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04356196

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04356196, "Comparative Study Between the Efficacy of Verapamil and Bisoprolol on Reduction of Bleeding During Endoscopic Sinus Surgery Under General Anaesthesia.". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04356196. Licensed CC0.

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