Are allergy pens long enough? study measures thigh depth to find out
NCT ID NCT02886468
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.
Disclaimer
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Chr Metz Thionville
Metz, 57085, France