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Lying flat or head down? study seeks best position for safer spinal anesthesia

NCT ID NCT07376798

Knowledge-focused Sponsor: University of Health Sciences Balikesir Hospital Eduation and Research 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how different patient positions and doses of the numbing drug bupivacaine affect spinal anesthesia for urogenital surgery. About 100 adults will be randomly placed in one of four groups: low or standard dose, combined with lying flat or head-down position. The goal is to find the best combination that provides good numbness while keeping blood pressure stable.

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 100 people

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

Expected to start

Jan 2026

An estimate. Start dates often move.

Expected to finish

Jun 2026

An estimate. End dates often move.

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 70 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: * Age 18-70 years * American Society of Anesthesiologists (ASA) physical status classification I-II * Scheduled for elective urogenital surgery * Suitable candidate for spinal anesthesia * Able to read, understand, and provide written informed consent * Body Mass Index (BMI) less than 35 kg/m² * Willing to participate in the study Exclusion Criteria: * Contraindications to spinal anesthesia (coagulopathy, infection at injection site, patient refusal) * History of neurological disease * Spinal deformity or previous spinal surgery * History of allergic reaction to local anesthetics (amide-type) * ASA physical status classification III or higher * Emergency surgery * Pregnancy * Psychiatric illness preventing effective communication * Refusal to participate in the study * Unable to understand or provide informed consent

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As listed by the trial registrant

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

Bupivacaine Hemodynamic changes Patient positions Spinal anesthesia

How to take part

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  1. 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 ↗

  2. A doctor treating you

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