Norepinephrine Consumption After Prophylactic Ondansetron

August 21, 2017 updated by: Feride Karacaer, Cukurova University

Does Prophylactic Ondansetron Reduce Norepinephrine Consumption in Patients Undergoing Caesarean Section With Spinal Anesthesia?

This study evaluates the effect of prophylactic ondansetron on the incidence of spinal hypotension and vasopressor consumption in caesarean section patients using norepinephrine treatment. Half of participants receive ondansetron before spinal anesthesia while the other half receive saline.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Spinal hypotension in cesarean section patients can occur vigorously and may lead to cardiovascular collapse. If doesn't treated precipitously, It can cause maternal hypotension, nausea and vomiting and fetal acidosis. Recently norepinephrine has been proposed for the prevention and treatment of spinal hypotension with less tendency to decrease HR and CO. It has been reported that ondansetron can be used for prophylaxis and treatment of nausea and vomiting, may also reduce the vasopressor requirement in patients undergoing caesarean section with spinal anesthesia. The aim of the present study is to assess the effect of prophylactic ondansetron on norepinephrine consumption and incidence of spinal hypotension, and side effects such as maternal nausea, vomiting and bradycardia.

Study Type

Interventional

Enrollment (Actual)

108

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Turkey
      • Adana, Turkey, 01330
        • Cukurova University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 40 years (Adult)

Accepts Healthy Volunteers

Yes

Genders Eligible for Study

Female

Description

Inclusion Criteria:

  • ASA physical status I-II patients
  • Between the ages of 18 and 40 years
  • Scheduled for elective caesarean section with spinal anesthesia

Exclusion Criteria:

  • History of hypertension
  • History of severe hepato-renal disease,
  • sensitivity or contraindication to ondansetron,
  • Drug or alcohol abuse
  • Contraindication to regional anesthesia.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Ondansetron
Drug: Ondansetron
After spinal anesthesia, half of the patients will be given intravenous 8 mg ondansetron.
Active Comparator: Saline
Drug: Saline
After spinal anesthesia, half of the patients will be given intravenous 2 mlt saline.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Norepinephrine consumption
Time Frame: During the cesarean operation
Whenever systolic arteriel pressure falls below 100 mmHg or below 20% of the preoperative baseline value in both groups norepinephrine (5 µg) will be administered intravenously and total consumption will be recorded.
During the cesarean operation

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Bradicardia
Time Frame: During the cesarean operation
Heart rate lower than 60 beat /min will be treated with iv 0.5 mg of atropine and recorded.
During the cesarean operation

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Cukurova University

Investigators

  • Study Director: Hakkı Ünlügenç, Professor, Cukurova University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

November 1, 2016

Primary Completion (Actual)

August 1, 2017

Study Completion (Actual)

August 1, 2017

Study Registration Dates

First Submitted

October 6, 2016

First Submitted That Met QC Criteria

October 7, 2016

First Posted (Estimate)

October 10, 2016

Study Record Updates

Last Update Posted (Actual)

August 22, 2017

Last Update Submitted That Met QC Criteria

August 21, 2017

Last Verified

August 1, 2017

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • NAOS1

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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