- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02808637
Vaccine-Related Pain in Infants
This is a randomized double-blind controlled study and was performed to compare effects of rapid injection without aspiration and 10-second manual pressure before injection on pain severity and crying time in 4-6-month-old infants given the vaccine DTaP/IPV/Hib.
The study population included all the infants presenting for DTaP/IPV/Hib to two family health centers between April and August in 2015. The study sample included 128 infants based on confidence interval of 95% and statistical power of 80%. The sample was divided into four groups; i.e. manual pressure, rapid injection without aspiration, manual pressure combined with rapid injection without aspiration and control groups. There were 32 infants in each group. Gender was adjusted in all groups. Stratified and block randomizations were used.
Study Overview
Status
Conditions
Detailed Description
Study design: this is an experimental, double-blind, randomized controlled trial.
Study population and study sample: The study was conducted in two family health centers of Cankiri Public Health Directorate, Turkey, between April and August in 2015. The study population included infants aged 4-6 months and presenting to the family health centers for the second and third doses of DTaP/IPV/Hib. The study sample comprised of 128 infants based on confidence interval of 95% and statistical power of 80%. Analysis made at the end of the study showed a statistical power of 0.83 based on confidence interval of 95%.
Outcome Measures
Pain severity: Video recordings obtained were evaluated by two pain specialists separately by using Neonatal Infant Pain Scale. The specialists were blinded to the groups to eliminate possible mistakes in observations and the possibility of taking sides and to avoid bias. The scores assigned by the specialists were used to determine pain scores before, during and after vaccine injections.
Crying time: Video recordings taken were watched by the same researcher and crying time before, during and after vaccine injections was calculated for each infant.
Physiological Changes (heart rate and oxygen saturation): the probe of pulse oximetry was attached to the foot not injected vaccine to measure oxygen saturation and heart rate before, during and after the injections in each child.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Healthy infants who were aged 4-6 months, had the percentiles of 3P - 97P, were born at term and were not given any analgesics before immunization and whose mothers gave written informed consent were included.
Exclusion Criteria:
- Infants whose percentiles were below 3P and above 97P and who had acute infectious diseases, underwent topical anesthesia and/or took analgesics were excluded from the study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Control
|
First, the infants were seated on their mothers' knees.
Then DTaP/IPV/Hib was administered by using the conventional injection technique.
|
Experimental: Manual Pressure
|
First, the infants were seated on their mothers' knees.
Next, 10-second manual pressure was applied on the vaccine injection site.
Then DTaP/IPV/Hib was administered in accordance with the conventional injection technique.
|
Experimental: Rapid Injection without Aspiration
|
First, the infants were seated on their mothers' knees.
Then DTaP/IPV/Hib was administered by using rapid injection without aspiration technique.
|
Experimental: Manual Pressure + Rapid Injection without Aspiration
|
First, the infants were seated on their mothers' knees.
Next, 10-second manual pressure was applied on the vaccine injection site.
Then DTaP/IPV/Hib was administered by using the rapid injection without aspiration technique.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pain severity
Time Frame: 6 MONTHS
|
Video recordings obtained were evaluated by two pain specialists separately by using NIPS.
The specialists were blinded to the groups to eliminate possible mistakes in observations and the possibility of taking sides and to avoid bias.
The scores assigned by the specialists were used to determine pain scores before, during and after vaccine injections.
Pain severity, were expressed as the average score NIPS.
When the opportunity to observe the baby again during the data collection and it was observed that no adverse effects.
Therefore study has been completed with the same 128 babies.
|
6 MONTHS
|
Crying time
Time Frame: 6 MONTHS
|
Video recordings taken were watched by the same researcher and crying time (sec) before, during and after vaccine injections was calculated for each infant.
When the opportunity to observe the baby again during the data collection and it was observed that no adverse effects.
Therefore study has been completed with the same 128 babies.
|
6 MONTHS
|
Physiological Changes (heart rate and oxygen saturation)
Time Frame: 6 MONTHS
|
the probe of pulse oximetry was attached to the foot not injected vaccine to measure oxygen saturation (%) and heart rate (min) before, during and after the injections in each child.
When the opportunity to observe the baby again during the data collection and it was observed that no adverse effects.
Therefore study has been completed with the same 128 babies.
|
6 MONTHS
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- CANKIRI KARATEKIN UNIVERSITY
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