# Efficacy of Oral Verapamil and Oral Diltiazim on Reduction of Intraoperative Bleeding During Endoscopic Sinus Surgery Under General Anesthesia

> **NCT04790331** · EARLY_PHASE1 · UNKNOWN · sponsor: **Assiut University** · enrollment: 135 (estimated)

## Conditions studied

- Verapamil
- Diltiazim
- FESS

## Interventions

- **DRUG:** Verapamil
- **DRUG:** Diltiazem
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04790331
- **Lead sponsor:** Assiut University
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-03-01
- **Primary completion:** 2022-01-01
- **Final completion:** 2022-01-20
- **Target enrollment:** 135 (ESTIMATED)
- **Last updated:** 2021-03-10


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04790331

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04790331, "Efficacy of Oral Verapamil and Oral Diltiazim on Reduction of Intraoperative Bleeding During Endoscopic Sinus Surgery Under General Anesthesia". Retrieved via AI Analytics 2026-05-30 from https://api.ai-analytics.org/clinical/NCT04790331. Licensed CC0.

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