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Lumbar Disc HerniationUSLSINCT03252691

Incidence of Large Annular Defects in Primary Lumbar Discectomy Patients

An observational study of Lumbar Disc Herniation and Anular Tear of Lumbar Disc, run by Intrinsic Therapeutics at 1 site in United States.

Withdrawn

Withdrawn. The study stopped before anyone enrolled.

Official record
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Trial summary

Lumbar discectomy study, collection and evaluation of incidence of large annular defects. Read more about this study

Who is it for?
Ages 18 to 75 years
How many people
0 participants
Where
1 siteUnited States
Study dates
Sep 2020to 18 May 2021
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 75 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Study population: One hundred and fifty (150) subjects will participate in the study. Participants will be between 18 and 75 years of age. All subjects will have been diagnosed with primary lumbar disc herniation requiring surgical discectomy as per the opinion of the treating surgeon. All subjects who meet the inclusion criteria, do not meet any of the exclusion criteria, and who elect to participate and sign the informed consent will be included in the study.

Who may be able to join

  • Must be 18-75 years of age, and skeletally mature
  • Must have clinical and radiological evidence of primary lumbar disc herniation at one level of the lumbar spine between L3-S1.
  • Must be psychosocially, mentally and physically able to comply with protocol, post-operative management and follow-up care.
  • Subject must understand and sign the written Informed Consent.

Who cannot join

  • Prior surgery at the index lumbar vertebral level.
  • Subject requires spinal surgery other than a discectomy (with or without laminotomy) to treat leg/back pain
  • Morbid obesity (BMI ≥ 40 kg/m2)
  • Investigational drug or device use within 30 days

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Laser Spine Institute

    Tampa, Florida, 33607

Other trials in United States

About this study

Official title: Study to Determine Incidence of Large Annular Defects And Measurement of Volume of Nucleus Removed in Primary Discectomy Patients

Lumbar discectomy study, collection and evaluation of incidence of large annular defects.

Read the detailed description

This study is designed as a single-site prospective data collection. Measurements will be collected during 150 consecutive standard of care primary lumbar discectomy procedures.

Medical subject headings
Intervertebral Disc Displacement

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Incidence of large defects noted on primary lumbar discectomy procedure.

    Annular defect size will be measured intra-operatively.

    Measured: Intra-operatively

Secondary outcomes (2)
  1. Quantify the amount of nuclear disc material removed during primary lumbar discectomy procedure.

    Amount of nucleus removed will be measured intra-operatively.

    Measured: Intra-operatively

  2. Verify access to annular defect with approved manual surgical instruments.

    Access to the annular defect will be evaluated intra-operatively.

    Measured: Intra-operatively

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted17 Aug 2017
  2. Study startSep 2020 (estimated)
  3. Primary completionApr 2021 (estimated)
  4. Study completion18 May 2021

Why it stopped: Site closure and no patient enrolled

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Prospective
Enrolment
0 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03252691
Sponsor's protocol ID
USCONTROL-USLSI-001
Acronym
USLSI
Status last verified
May 2021
First submitted
15 Aug 2017
Last updated
20 May 2021
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

An observational study of Lumbar Disc Herniation and Anular Tear of Lumbar Disc, run by Intrinsic Therapeutics at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: withdrawn, as of the sponsor's last update on 20 May 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study was withdrawn before enrolling participants, so there are no results.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Incidence of large defects noted on primary lumbar discectomy procedure. (time frame: Intra-operatively). It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 20 May 2021.

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