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ED90 of Norepinephrine and Phenylephrine Infusions in Preeclamptic Patients

NCT06158022 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 60

Last updated 2025-10-06

No results posted yet for this study

Summary

The objective of this study is to investigate the ED90 of norepinephrine and phenylephrine infusions for preventing postspinal anesthesia hypotension under intensive treatment in preeclamptic patients during cesarean section

Conditions

  • Adverse Effect

Interventions

DRUG

Norepinephrine

An initial infusion dose of prophylactic norepinephrine (0.05 ug/kg/min) simultaneous with spinal anesthesia. The dose administered to subsequent patients varied by increments or decrements of 0.01 ug/kg/min of prophylactic norepinephrine according to the responses of previous patients according to the up-down sequential allocation.

DRUG

Phenylephrine

An initial infusion dose of prophylactic phenylephrine (0.5 ug/kg/min) simultaneous with spinal anesthesia. The dose administered to subsequent patients varied by increments or decrements of 0.1 ug/kg/min of prophylactic phenylephrine according to the responses of previous patients according to the up-down sequential allocation.

Sponsors & Collaborators

  • General Hospital of Ningxia Medical University

    lead OTHER

Principal Investigators

  • Yi Chen, M.D. · General Hospital of Ningxia Medical University

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
45 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-10-03
Primary Completion
2025-05-20
Completion
2025-05-20

Countries

  • China

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06158022 on ClinicalTrials.gov