The Effect of Priming Intravenous Rocuronium on Fentanyl-Induced Coughing

February 9, 2012 updated by: Huei-Chi Horng, MD, Taichung Armed Forces General Hospital
An intravenous bolus of fentanyl often induces a cough reflex. This study investigates whether priming with rocuronium can attenuate fentanyl-induced coughing effectively.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Fentanyl is widely used for analgesia and anesthesia because of its rapid onset, its intense analgesic effect, and is associated with lessened cardiovascular depression and low histamine release. Although the cough reflex is usually transient and self-limiting, it should be avoided in situations such as elevated intracranial, intraocular, or intra-abdominal pressure, and unstable hemodynamics.

The cause of FIC is unclear. One hypothesis is that vocal cord spasms might induce coughing because of fentanyl-induced muscle rigidity and histamine release. Muscle relaxants are commonly used to treat this condition. This study hypothesizes that priming muscle relaxants could prevent or suppress FIC. This study investigates whether the muscle relaxant rocuronium attenuates FIC effectively.

Study Type

Interventional

Enrollment (Actual)

260

Phase

  • Not Applicable

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

  • Taiwan
      • Taichung, Taiwan, 411
        • Taichung Armed Forces General Hospital

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

16 years to 78 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • 260 ASA I-II patients,
  • aged between 18 and 80 years, and undergoing various elective surgeries at Taichung Armed Forces General Hospital.

Exclusion Criteria:

  • a history of asthma,
  • chronic cough,
  • smoking,
  • upper respiratory tract infection in the previous 2 weeks, and
  • medication containing angiotensin-converting enzyme inhibitors or anesthetic premedication.

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: Rocuronium, fentanyl-induced cough, normal saline
All patients were given oxygen via a face mask. The patients were then administered with the following medications intravenously: the rocuronium group received rocuronium 0.06 mg kg-1 30 s before the injection of an IV fentanyl bolus (1.5 mcg kg-1, within 2 s).
Drug: Rocuronium
All patients were given oxygen via a face mask. The patients were then administered with the following medications intravenously: the rocuronium group received rocuronium 0.06 mg kg-1, and the control group received the same volume of normal saline 30 s before the injection of an IV fentanyl bolus (1.5 mcg kg-1, within 2 s).
No Intervention: Normal saline
All patients were given oxygen via a face mask. The patients were then administered with the following medications intravenously: the control group received the same volume of normal saline 30 s before the injection of an IV fentanyl bolus (1.5 mcg kg-1, within 2 s).

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Incidence of fentanyl-induced coughing
Time Frame: 2 minutes
Following the fentanyl injection, another anesthetist who was blind to the pretreatment recorded the number of coughs for 1 min. The severity of coughing was graded as mild (1-2 times), moderate (3-5 times), or severe (> 5 times) based on the number of coughs within the 1 min following the fentanyl injection. Assisted mask ventilation with oxygen was supplied if desaturation occurred (SpO2 < 90%).
2 minutes

Collaborators and Investigators

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

Sponsor

Taichung Armed Forces General Hospital

Investigators

  • Study Director: Chih-Shung Wong, PhD, Cathay General Hospital

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

March 1, 2011

Primary Completion (Actual)

October 1, 2011

Study Completion (Actual)

November 1, 2011

Study Registration Dates

First Submitted

February 7, 2012

First Submitted That Met QC Criteria

February 9, 2012

First Posted (Estimate)

February 14, 2012

Study Record Updates

Last Update Posted (Estimate)

February 14, 2012

Last Update Submitted That Met QC Criteria

February 9, 2012

Last Verified

December 1, 2011

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • TC100-5

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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