- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05110469
Comparison of MgSO4 Versus Meperidine for Prevention of Shivering During Spinal Anesthesia
The Comparison of Intravenous Magnesium Sulphate and Intravenous Meperidine for Prevention of Shivering During Spinal Anesthesia
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Design This was double-blinded randomized clinical trial that was conducted in Dr. Cipto Mangunkusumo National General Hospital in February - June 2021 after due permission from Ethics Committee of the Faculty of Medicine University of Indonesia - Cipto Mangunkusumo Hospital (No. KET-1510/UN2.F1/ETIK/PPM.00.02/2020). Patients were randomly devided into two groups to recieved MgSO4 30 mg/kg (group M) and meperidine 0.5 mg/kg (group P). Drugs will be prepared and delivered by another anesthesiologist outside of the research team.
Subjects Following patient informed consent, 100 patients aged 18-65 years old, with American Society of Anesthesiologist (ASA) physical status I or II who underwent spinal anesthesia. The following groups of patients were excluded from the study: patients with a history of allergy to the drugs used in the study, pregnant patients, neuromuscular disease, hyperthyroid, severe cardiopulmonary diseases, liver and/or renal disorders, used drugs that could interact with MgSO4 such as nifedipine, and preoperative body temperature less than 36oC or more than 37.5oC. Patients were dropped out if: any complications such as systemic allergic reaction, anaphylaxis, cardiac arrest was occured, failure of spinal anesthesia, respinal, surgery duration less than 30 minutes, and conversion to general anesthesia during evaluation.
Interventions and Outcomes After randomization, subjects would be given drugs according to their randomization group. MgSO4 30 mg/kg and meperidine 0.5 mg/kg were dissolved in 100 ml NaCl 0.9%, and labeled as "research drug" for blinding. Drugs were given in 10 minutes while patients were monitored for side effects such as hypotension, bradycardia, nausea, vomiting, itch, allergy, drowsiness, and respiratory depression. If hypotension occurs or blood pressure decreases >20% from baseline, patients will be treated with a crystalloid solution and intravenous ephedrine 5-10 mg.
Afterwards, patients were given 10 ml/kg crystalloid with room temperature 22oC - 23oC for 10 minutes before spinal anesthesia. Spinal anesthesia was performed at the lumbar vertebrae 3-4 or 4-5 interspaces, with 15 mg hyperbaric bupivacaine and fentanyl 25 mcg. Room temperature was maintained between 19oC - 24oC. Patients were covered with one layer of blanket, which covered the chest and upper arm, and other areas outside the operating area. Patients were given fluid maintenance of 2 ml/kg/hour crystalloid and oxygen supplementation 2-3 l/minute by nasal cannula. Patient ini this study also were managed in the state of Ramsay sedation scale 2 (co-operative, oriented, and tranquil) or 3 (appears asleep, but responds to verbal command), so some patient were given midazolam intravenously to maintain the condition.
The incidence of shivering, mean arterial pressure, heart rate, respiratory rate, and tympanic membrane temperature were observed every five minutes during the first 15 minutes and every 15 minutes within the next 120 minutes. The degree of shivering was measured with Crossley and Mahajan scale which is 0 = No shivering, 1 = piloerection or peripheral vasoconstriction, 2 = muscular activity in only 1 muscle group, 3 = muscular activity in more than 1 muscle group but not generalized, and 4 = intens shivering involving the whole body, except in the muscle affected by spinal block.6 Drugs were considered effective if they could prevent the incidence of 3rd or 4th degree shivering. Meperidine 25 mg intravenously was given if 3rd or 4th degree shivering occurred. Nausea and vomiting was treated by IV metoclopramide 10 mg. Postoperatively, all patients were transferred to recovery room and monitored for one hour until discharge.
Statistical Analysis All statistical analyses were performed using SPSS (Statistical Package for Social Sciences) version 20.0. Chi-square test or Fisher's exact test were used to compare the difference of proportion in shivering between the two groups. For numerical data, T-test and Mann-Whitney test were used. P<0.05 was considered statistically significant.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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-
DKI Jakarta
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Jakarta, DKI Jakarta, Indonesia, 10430
- Dr. Cipto Mangunkusumo National General Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Aged 18-65 years old
- American Society of Anesthesiologist (ASA) physical status I or II
- Planning for spinal anesthesia
Exclusion Criteria:
- History of allergy to the drugs used in the study
- Pregnant patients
- With neuromuscular disease, hyperthyroid, severe cardiopulmonary diseases, liver and/or renal disorders
- Used drugs that could interact with MgSO4 such as nifedipine
- Preoperative body temperature less than 36oC or more than 37.5oC
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group M
IV Magnesium sulphate 30 mg/kg in 100 ml NaCl 0.9%
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IV Magnesium sulphate 30 mg/kg, labeled as "research drug" for blinding, were given in 10 minutes while patients were monitored for side effects such as hypotension, bradycardia, nausea, vomiting, itch, allergy, drowsiness, and respiratory depression.
|
Experimental: Group P
IV Meperidine 0.5 mg/kg in 100 ml NaCl 0.9%
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IV Meperidine 0.5 mg/kg, labeled as "research drug" for blinding, were given in 10 minutes while patients were monitored for side effects such as hypotension, bradycardia, nausea, vomiting, itch, allergy, drowsiness, and respiratory depression.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Drug effectiveness
Time Frame: 120 minutes
|
Drugs were considered effective if they could prevent the incidence of 3rd or 4th degree shivering
|
120 minutes
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Arrhythmia Agents
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Analgesics
- Sensory System Agents
- Anesthetics
- Analgesics, Opioid
- Narcotics
- Membrane Transport Modulators
- Adjuvants, Anesthesia
- Anticonvulsants
- Calcium-Regulating Hormones and Agents
- Reproductive Control Agents
- Calcium Channel Blockers
- Tocolytic Agents
- Magnesium Sulfate
- Meperidine
Other Study ID Numbers
- MagnesiumAS01
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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