New surgical technique aims to prevent repeat slipped discs
NCT ID NCT07250581
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two surgical approaches for a herniated (slipped) disc in the lower back. One group gets standard surgery to remove the herniated part, while the other gets the same surgery plus a repair of the disc's outer ring. The goal is to see if repairing the disc reduces the chance of the disc herniating again and improves quality of life. The trial will enroll 300 people aged 12 to 65 who have not improved with non-surgical treatments.
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
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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
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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 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.
- Ages
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12 to 65 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: 1. Age: 12 years old to 65 years old, gender not limited; 2. Diagnosed with Lumbar disc herniation; 3. Preoperative intervertebral disc MRI Pfirrmann grade I - II; 4. Conservative treatment is ineffective, and the symptoms significantly affect life; 5. Be able to cooperate with long-term follow-up and sign the informed consent form. Exclusion Criteria: 1. Accompanied by lumbar spondylolisthesis, lumbar instability and other lumbar diseases, etc. 2. Previous history of lumbar spine surgery; 3. Those who have other major physical diseases and are unable to tolerate surgery; 4. Diseases such as malnutrition, abnormal bone metabolism, and autoimmune diseases that may affect the postoperative development process; 5. Unable to accept regular follow-up visitors
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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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Affiliated Hospital of Qingdao University
RECRUITINGQingdao, China