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New hip stem holds promise for patients with wide thigh bones

NCT ID NCT06768541

What the study statuses mean

This study's is highlighted.

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at how well a short stem hip replacement stays in place in people with a wider thigh bone canal (DORR Type C). 108 participants who had this surgery were followed to measure any sinking of the implant and to track their pain and function. The goal was to see if this type of stem is a good option for this specific bone shape.

What this could mean

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

Active substance
Short stem hip replacement (Optimys short stem)
What this could lead to
If successful, this could show that short stem hip replacements are a good option for people with a wider thigh bone canal, potentially leading to better long-term implant stability.
What could go wrong
This is a small, completed study with no control group, so results may not apply to everyone. The main risk is that the implant may shift (subside) over time, which could require further surgery.

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.

Participants

108 people

The number who actually took part.

Started

Jan 2023

Finished

Mar 2025

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

108 patients were eligible, of which 55 underwent routine follow-ups. Complete data was available from 44 patients. 22 patients each were male and female. Mean age at surgery was 68.3 years. Mean BMI was 27.9 kg/m2

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: * THA using Optimys short stem from 1.1.2018 bis 31.12.2020 in the institution. * Typ C Femur according to Dorr Exclusion Criteria: * none

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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

Locations

  • Ordensklinikum Linz Barmherzige Schwestern

    Linz, 4010, Austria

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