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Weight matters: study links BMI to anesthesia drug needs

NCT ID NCT07653217

Knowledge-focused Sponsor: Adiyaman 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This completed study looked at 120 adults having urological surgery under spinal anesthesia. Researchers compared two groups based on body mass index (BMI) to see if weight affects how much medication is needed to maintain blood pressure and how the spinal block works. The goal is to help doctors tailor anesthesia care for patients of different body sizes.

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

120 people

The number who actually took part.

Started

May 2022

Finished

Dec 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

Adult patients (≥18 years) with ASA physical status I-II scheduled for elective urological surgery in the lithotomy position under spinal anesthesia at a tertiary care hospital. All participants had a BMI ≥18.5 kg/m² and were classified into two groups according to BMI (Group L: BMI \<27.5 kg/m², Group H: BMI ≥27.5 kg/m²). Patients with contraindications to spinal anesthesia, extreme height (\<150 cm or \>190 cm), or who declined participation were excluded.

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: * Age 18 years or older * American Society of Anesthesiologists (ASA) physical status I-II * Scheduled for elective urologic surgery under spinal anesthesia Exclusion Criteria: * Refusal to participate or lack of informed consent * Contraindications to spinal anesthesia * Height \<150 cm or \>190 cm * BMI \<18.5 kg/m²

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As listed by the trial registrant

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

Body mass index Urologic surgical procedures Vasopressor therapy

Contacts and locations

Locations

  • Adıyaman University Faculty of Medicine Anesthesiology and Reanimation

    Merkez, Adıyaman Province, 02100, Turkey (Türkiye)

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