# Determination of the ED50 and ED95 of Prophylactic Norepinephrine Infusion for Preventing Post-induction Hypotension in Elderly Patients Undergoing Major Abdominal Surgery

> **NCT05637164** · NA · UNKNOWN · sponsor: **Second Affiliated Hospital, School of Medicine, Zhejiang University** · enrollment: 40 (estimated)

## Conditions studied

- Norepinephrine
- Post-induction Hypotension

## Interventions

- **DRUG:** norepinephrine bitartrate

## Key facts

- **NCT ID:** NCT05637164
- **Lead sponsor:** Second Affiliated Hospital, School of Medicine, Zhejiang University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-12-01
- **Primary completion:** 2023-05-30
- **Final completion:** 2023-05-30
- **Target enrollment:** 40 (ESTIMATED)
- **Last updated:** 2022-12-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05637164

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05637164, "Determination of the ED50 and ED95 of Prophylactic Norepinephrine Infusion for Preventing Post-induction Hypotension in Elderly Patients Undergoing Major Abdominal Surgery". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT05637164. Licensed CC0.

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