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Bikini cut or straight line? study tests best hip replacement incision for heavier patients

NCT ID NCT06831045

Symptom relief Sponsor: University of Miami Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study compares two types of surgical cuts (bikini vs. longitudinal) for hip replacement in obese patients. Researchers want to see which heals faster and leaves a scar patients like more. About 110 participants will be randomly assigned to one incision type, and their recovery and satisfaction will be tracked.

What this could mean

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

Active substance
Bikini incision or longitudinal incision (surgical procedures)
What this could lead to
If one incision type heals faster or looks better, it could improve recovery and satisfaction for obese patients undergoing hip replacement.
What could go wrong
This is a small, early-stage trial with only 110 participants, so results may not apply to everyone. The study focuses on cosmetic and healing outcomes, not on curing disease.

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

About 110 people

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

Started

Mar 2025

Expected to finish

Apr 2028

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.

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: * Patients with body mass index greater than or equal to 30 * Patients undergoing primary unilateral DAA THA * Patients undergoing primary THA Exclusion Criteria: * Patients with body mass index less than 30 * Patients with a history of prior open surgery on the affected hip * Patients unable/unwilling to undergo spinal anesthesia under monitored anesthesia care (MAC) * Patients with allergies or absolute contraindication to standardized drugs administered within the University of Miami protocol for total hip replacement * The following groups will not be included: adults unable to consent, individuals who are not yet adults, pregnant women, prisoners.

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As listed by the trial registrant

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

THA

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • University of Miami

    RECRUITING

    Miami, Florida, 33136, United States

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