Make up for the Epinephrine Autoinjector

NCT ID: NCT01217138

Last Updated: 2010-10-08

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

164 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-06-30

Study Completion Date

2010-05-31

Brief Summary

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Part of the problems related with proper use of epinephrine autoinjector may be related with the design of the autoinjector itself.The aim of the study is to investigate whether minor modifications in the design of currently available epinephrine autoinjector ease its use and abrogate common use errors.

Detailed Description

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All interns except the ones who previously worked in allergy department in a medical school were invited to the study. Two identical epinephrine autoinjector trainers (Epipen trainerĀ®) were used, one of which was modified by changing gray safety cap to red and placing a yellow arrow pointing to the black injection tip. Written and visual instruction sheet for each trainer was provided. Participants were asked to demonstrate the use of Epipen trainer either with the original or the modified one. They were scored and timed for demonstration. Primary study parameter was the rate of participants correctly demonstrating the use of epinephrine autoinjector. Secondary study parameters were the mean total score, mean time required to administer autoinjector and unintentional self injection of autoinjector into thumb.

Conditions

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Anaphylaxis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Blinding Strategy

NONE

Study Groups

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Original epinephrine autoinjector group

Participants were given original epinephrine autoinjector trainer wrapped by a gray sticky paper.

Group Type OTHER

Epinephrine autoinjector

Intervention Type DEVICE

We used 2 epinephrine autoinjector trainers and wrapped them by a gray sticky paper. Then,modified one of the trainers by changing gray safety cap to red with an atomizer paint and placing a yellow arrow pointing to the black injection tip.We provided three-step written and visual instruction sheet to use epinephrine autoinjector in Turkish same as given on the original trainer and changed that of the second trainer according to the modifications we made. Scoring system originally devised by Sicherer et al was used. Participants successively doing all steps were accepted to demonstrate autoinjector use correctly. Participants who tackled with black tip of autoinjector in order to eject needle after removing safety cap was regarded as unsuccessful since this may cause unintentional injection of epinephrine. All participants were scored and timed separately.

Modified epinephrine autoinjector group

Participants were given the same epinephrine autoinjector trainer wrapped by a gray sticky paper which was modified by changing gray safety cap to red with an atomizer paint and placing a yellow arrow pointing to the black injection tip.

Group Type ACTIVE_COMPARATOR

Epinephrine autoinjector

Intervention Type DEVICE

We used 2 epinephrine autoinjector trainers and wrapped them by a gray sticky paper. Then,modified one of the trainers by changing gray safety cap to red with an atomizer paint and placing a yellow arrow pointing to the black injection tip.We provided three-step written and visual instruction sheet to use epinephrine autoinjector in Turkish same as given on the original trainer and changed that of the second trainer according to the modifications we made. Scoring system originally devised by Sicherer et al was used. Participants successively doing all steps were accepted to demonstrate autoinjector use correctly. Participants who tackled with black tip of autoinjector in order to eject needle after removing safety cap was regarded as unsuccessful since this may cause unintentional injection of epinephrine. All participants were scored and timed separately.

Interventions

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Epinephrine autoinjector

We used 2 epinephrine autoinjector trainers and wrapped them by a gray sticky paper. Then,modified one of the trainers by changing gray safety cap to red with an atomizer paint and placing a yellow arrow pointing to the black injection tip.We provided three-step written and visual instruction sheet to use epinephrine autoinjector in Turkish same as given on the original trainer and changed that of the second trainer according to the modifications we made. Scoring system originally devised by Sicherer et al was used. Participants successively doing all steps were accepted to demonstrate autoinjector use correctly. Participants who tackled with black tip of autoinjector in order to eject needle after removing safety cap was regarded as unsuccessful since this may cause unintentional injection of epinephrine. All participants were scored and timed separately.

Intervention Type DEVICE

Other Intervention Names

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Epipen trainerĀ®, Meridian Medical Technologies, Inc. Columbia, USA

Eligibility Criteria

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Exclusion Criteria

\-
Minimum Eligible Age

21 Years

Maximum Eligible Age

26 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Gazi University

OTHER

Sponsor Role lead

Responsible Party

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Gazi University Faculty of Medicine

Principal Investigators

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Arzu Bakirtas

Role: PRINCIPAL_INVESTIGATOR

Gazi Universitry Faculty of Medicine, Department of Pediatric Allergy and Asthma

Mustafa Arga

Role: PRINCIPAL_INVESTIGATOR

Gazi Universitry Faculty of Medicine, Department of Pediatric Allergy and Asthma

Ferhat Catal

Role: PRINCIPAL_INVESTIGATOR

Gazi Universitry Faculty of Medicine, Department of Pediatric Allergy and Asthma

Oksan Derinoz

Role: PRINCIPAL_INVESTIGATOR

Gazi Universitry Faculty of Medicine, Department of Pediatric Emergency

Sadik M Demirsoy

Role: STUDY_DIRECTOR

Gazi Universitry Faculty of Medicine, Department of Pediatric Allergy and Asthma

Ipek Turktas

Role: STUDY_DIRECTOR

Gazi Universitry Faculty of Medicine, Department of Pediatric Allergy and Asthma

References

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Bakirtas A, Arga M, Catal F, Derinoz O, Demirsoy MS, Turktas I. Make-up of the epinephrine autoinjector: the effect on its use by untrained users. Pediatr Allergy Immunol. 2011 Nov;22(7):729-33. doi: 10.1111/j.1399-3038.2011.01195.x. Epub 2011 Jul 13.

Reference Type DERIVED
PMID: 21749463 (View on PubMed)

Other Identifiers

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232-05/25/2009

Identifier Type: -

Identifier Source: org_study_id