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Ultrasound vs. touch: which works better for numbing obese patients?

NCT ID NCT06987240

Knowledge-focused Sponsor: Sakarya University Source: ClinicalTrials.gov ↗

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study looked at 68 obese adults (BMI over 30) having leg surgery to see if using ultrasound to guide the anesthesia needle works better than the usual method of feeling for landmarks on the back. The goal was to see which approach leads to a successful first try, fewer needle sticks, and fewer complications. The results help doctors choose the best technique for this group of patients.

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

68 people

The number who actually took part.

Started

May 2025

Finished

Nov 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.

Ages

40 to 80 years

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: * ASA II-III * BMI\>30 * Elective orthopedic lower extremity surgery * Combined spinal epidural anesthesia (CSEA) Exclusion Criteria: * Patients with CSEA contraindication * ASA IV-V * Diagnosed with scoliosis * Patients with anatomical disorders * Patients who did not agree to participate in the study * Patients for whom follow-up conditions could not be met

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Conditions

The condition(s) this trial relates to.

Obesity obesity disorder

As listed by the trial registrant

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

Combined spinal epidural anesthesia Obesity (body mass index >30 KG/M2) Ultrasonography

Contacts and locations

Locations

  • Sakarya University Hospital

    Sakarya, Adapazarı, 54100, Turkey (Türkiye)

More trials for these conditions

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