Can back surgery be Pain-Free without opioids?
NCT ID NCT07489001
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether avoiding opioids during back surgery can still control pain and reduce side effects like nausea and constipation. About 75 adults having elective lumbar spine surgery will be placed into one of three groups based on their anesthesia plan. The goal is to see if opioid-free methods work just as well or better than traditional opioid-based anesthesia.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 75 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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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 aged 18 to 75 years undergoing elective lumbar spine surgery for conditions such as lumbar spinal stenosis, lumbar disc herniation, degenerative spondylolisthesis, or lumbar disc degeneration at Marmara University Pendik Training and Research Hospital. All participants are surgical patients who meet the clinical indication for lumbar spinal procedures. No healthy volunteers are included. Patients are assigned to one of three observational cohorts based on the anesthesia technique chosen by the attending anesthesiologist in routine clinical practice.
- Ages
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18 to 75 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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: * Adults aged 18 to 75 years * Elective surgery only * Scheduled for elective lumbar spinal surgery (lumbar spinal stenosis and/or lumbar disc herniation) * ASA physical status I-III * No previous lumbar spine surgery * Able to provide written informed consent * BIS monitoring available and recorded * Ability to comply with postoperative pain assessment (NRS/VAS) * Stable hemodynamic status preoperatively Exclusion Criteria: * Age younger than 18 or older than 75 * Inability or unwillingness to provide informed consent * Severe psychiatric disease or cognitive impairment * Emergency surgery cases * BMI \> 40 kg/m² * Pregnancy * Uncontrolled hypertension, arrhythmia, or severe cardiac disease * Renal failure * Chronic beta-blocker use * Coagulation disorders * Chronic alcohol dependence or substance use * Neurological deficits affecting perception of pain * Chronic pain syndrome (fibromyalgia, chronic LBP \> 3 months) * Chronic gabapentinoid use * Anemia * Known allergy to any anesthetic or analgesic agents used in the study * Local infection at the intended ESP block injection site * Intraoperative change in anesthetic technique that deviates from initial planned management * Pediatric patients (\<18 years)
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Marmara university hospital
RECRUITINGIstanbul, Maltepe, 34722, Turkey (Türkiye)
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Other studies related to the condition(s) this trial covers.
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