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Does your weight affect pain after back surgery?

NCT ID NCT06257953

Knowledge-focused Sponsor: Atatürk Chest Diseases and Chest Surgery Training and Research Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 75 adults having lower back surgery to see if body weight affects how well a nerve block controls pain. Researchers measured pain levels at rest and while coughing in the first hours after surgery. The goal is to understand if heavier patients need different pain management approaches.

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

75 people

The number who actually took part.

Started

Jan 2024

Finished

Jun 2024

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

This prospective study includes adult patients aged 18 to 65 years with ASA physical status I-III who are scheduled to undergo elective LDH surgery under standardized general anesthesia and bilateral ESPB for postoperative analgesia at Ankara Etlik City Hospital. All participants meet predefined inclusion and exclusion criteria. Patients are categorized into three groups according to their preoperative BMI: 18-24.9 kg/m², 25-29.9 kg/m², and 30-40 kg/m². The study population represents consecutive eligible surgical patients during the study period. No experimental intervention beyond routine anesthetic and analgesic management is introduced; BMI serves as the exposure variable for comparative analysis of analgesic outcomes.

Ages

18 to 65 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: * 18 to 65 years old * ASA physical status I-II-III * BMI 18 to 40 kg/m² * Elective LDH surgery Exclusion Criteria: * Patient refusing the procedure * Patients who have previously undergone spinal surgery * Chronic opioid or analgesic use * Patients who will operate under emergency conditions * Patients who will not undergo LDH surgery

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Conditions

The condition(s) this trial relates to.

Acute Pain Intervertebral Disc Displacement lumbar disk disease lumbar disk herniation, susceptibility to Pain Pain, Postoperative

As listed by the trial registrant

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

Body mass index Erector spinae plane block Lumbar disc herniation Pain Pain, acute Pain, postoperative

Contacts and locations

Locations

  • Ankara Etlik City Hospital

    Yenimahalle, Ankara, 06170, Turkey (Türkiye)

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