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Are allergy pens long enough? study measures thigh depth to find out

NCT ID NCT02886468

Knowledge-focused Sponsor: Centre Hospitalier Régional Metz-Thionville Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study looked at 107 people with severe food or insect allergies to measure the distance from skin to muscle in their thighs. The goal was to see if the needles on common epinephrine auto-injectors (like EpiPen) are long enough to deliver the medicine into the muscle, as recommended. Researchers used ultrasound to take these measurements. The findings could help improve injector design so that life-saving epinephrine reaches the right spot during an allergic emergency.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If successful, this could help manufacturers design auto-injector needles that reliably reach muscle in people with severe allergies, improving emergency treatment.
What could go wrong
This is an observational study that only measures anatomy; it does not test any treatment or patient outcomes. The results may not apply to all body types or ages.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

107 people

The number who actually took part.

Started

Aug 2016

Finished

Aug 2021

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * a weight of over 30 kg at Baseline * with food or an Hymenoptera venom allergy (diagnosed by skin tests or serum-specific IgE testing, requiring prescription epinephrine auto-injector pen according to European recommendations, Exclusion Criteria: * having a skin lesion on the lateral aspect of the thigh, * with a known or suspected allergy to the contact gel

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Conditions

The condition(s) this trial relates to.

anaphylaxis food allergy venom allergy

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Anaphylactic shock

Contacts and locations

Locations

  • Chr Metz Thionville

    Metz, 57085, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.