Ultrasound maps gluteal muscle to improve depot injection safety

NCT ID NCT07815587

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First seen Sep 11, 2026 · Last updated Sep 11, 2026

Summary

Researchers at St. Olavs Hospital are using ultrasound to measure the gluteal muscle in adults who receive depot antipsychotic injections and in healthy volunteers. The study aims to better understand the anatomy relevant to giving these long-acting injections into the buttocks. By measuring the distance from skin to muscle, the team hopes to identify the best injection site and reduce potential problems.

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 doctors choose safer injection sites for depot antipsychotic medications, potentially reducing discomfort or complications.
What could go wrong
This is a small observational study with 60 participants, so findings may not apply to everyone. Ultrasound measurements alone may not capture all factors that affect injection safety.

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Study facts

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

Participants

About 60 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

An estimate. End dates often move.

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.

Who is studied

Adults receiving depot antipsychotic medication

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * adults receiving depot antipsychotic medication and able to provide informed consent. Healthy volunteers: adults able to provide informed consent. Exclusion Criteria: * Acute infections at the injection site * Previous surgery that makes ultrasound examination difficult

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Conditions

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