# Atropine or Ephedrine Pretreatment for Preventing Bradycardia in Elderly Patients

> **NCT03984526** · PHASE4 · COMPLETED · sponsor: **Ajou University School of Medicine** · enrollment: 102 (actual)

## Conditions studied

- Anesthesia, Spinal
- Dexmedetomidine
- Bradycardia

## Interventions

- **DRUG:** normal saline
- **DRUG:** atropine 0.5mg
- **DRUG:** ephedrine 8mg

## Key facts

- **NCT ID:** NCT03984526
- **Lead sponsor:** Ajou University School of Medicine
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-06-25
- **Primary completion:** 2020-09-15
- **Final completion:** 2020-09-15
- **Target enrollment:** 102 (ACTUAL)
- **Last updated:** 2021-02-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03984526

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03984526, "Atropine or Ephedrine Pretreatment for Preventing Bradycardia in Elderly Patients". Retrieved via AI Analytics 2026-05-29 from https://api.ai-analytics.org/clinical/NCT03984526. Licensed CC0.

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