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ScoliosisPhase 4NCT02465099

Posterior Spinal Fusion With Two Energy Dissection Techniques

A Phase 4 study testing Ultrasonic Dissection (UD) and Electrocautery Dissection (ED) in people with Scoliosis, run by Ethicon Endo-Surgery at 5 sites in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

The OSTEOVUE™ Spine Dissector is a new ultrasonic energy device, specifically designed for soft tissue removal from vertebral surfaces. The aim of the present study is to compare blood loss in multilevel PSF surgeries in patients with adolescent scoliosis (idiopathic or neuromuscular) done with ED or with UD. Read more about this study

Who is it for?
Ages 10 to 21 years
Conditions the study is for
Scoliosis
What is being tested?
Ultrasonic Dissection (UD) and Electrocautery Dissection (ED)
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
64 participants
Where
5 sitesUnited States
Study dates
1 Jun 2015to 1 May 2016
Phase
Phase 4
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 10 to 21 years
  • All sexes
  • No healthy volunteers
  • Child, Adult

Who may be able to join

  • Between 10 and 21 years of age;
  • Diagnosed with neuromuscular scoliosis associated with cerebral palsy or with idiopathic scoliosis between the ages of 10 and 18;
  • Indicated for primary PSF surgery;
  • Anticipated >= 6 vertebrae fusions;
  • Not in need of three column osteotomy (pedicle subtraction osteotomy [PSO]);
  • Not in need of vertebral column resection (VCR);
  • Curve magnitude >45 degrees for scoliosis and for sagittal deformity; and
  • An American Society of Anesthesiologists (ASA) physical status (PS) classification of 1 to 4

Who cannot join

  • One or both parents or a guardian unable or unwilling to provide parental permission and child assent (if capable, the child must express willingness to participate);
  • Previous failed vertebral fusion at same target levels;
  • Syndromic scoliosis;
  • Congenital scoliosis;
  • Early-onset scoliosis (onset before 10 years of age);
  • Requiring an anterior procedure;
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  • Requiring PSO;
  • Requiring VCR;
  • Presence of coagulation abnormalities;
  • Planned staged procedure (exclude if second stage or beyond);
  • Requiring emergency surgery; and/or
  • Participation in any other clinical study (not to include registry or survey-only studies) for the duration of the study.

Trial locations and contacts

5 sites in 1 country.

5 sites in 1 country

United States5 sites
  • Shriners Hospital for Children - Chicago

    Chicago, Illinois, 60707

  • Cincinnati Children's Hospital Medical Center

    Cincinnati, Ohio, 45229

  • Valley Children's Hospital

    Madera, California, 93638

  • Shriners Hospitals for Children-Philadelphia

    Philadelphia, Pennsylvania, 19140

  • Nemours/Alfred I. duPont Hospital for Children

    Wilmington, Delaware, 19803

Other trials in United States

About this study

Official title: Perioperative Outcomes of Multilevel Posterior Spinal Fusion in Adolescent Scoliosis With Two Energy Dissection Techniques

The OSTEOVUE™ Spine Dissector is a new ultrasonic energy device, specifically designed for soft tissue removal from vertebral surfaces. The aim of the present study is to compare blood loss in multilevel PSF surgeries in patients with adolescent scoliosis (idiopathic or neuromuscular) done with ED or with UD. Blood loss will be estimated by major intraoperative surgical Stage (1 and 2) and postoperatively (until discharge). Additionally, the study will assess the possible influence of the device use in secondary perioperative outcomes.

Read the detailed description

The primary objective is to compare intraoperative blood loss between surgeries performed with monopolar electrocautery and ultrasonic energy (as the primary means for soft tissue dissection) in patients diagnosed with adolescent scoliosis undergoing multilevel (>=6) posterior spinal fusion (PSF).

This is a prospective, multicenter, pair-matched comparison study that will be carried out in two phases:

Phase I Perioperative outcome variables (primary and secondary) will be collected from patients with adolescent scoliosis, meeting the study inclusion criteria, scheduled to undergo PSF using monopolar electrocautery and metal Cobb elevator (considered the current standard) for soft tissue dissection and removal from vertebral surfaces. This group will be the Electrocautery Dissection (ED) group.

Phase II The same outcomes variables measured on the ED group during Phase I will be subsequently collected from a group of patients with adolescent scoliosis, meeting the study inclusion criteria and scheduled to undergo PSF surgery. For this study group, surgery will be performed with the Harmonic OSTEOVUE™ Spine Soft Tissue Dissector (referred to as the OSTEOVUE™ Dissector in this protocol) and metal Cobb elevator, as the primary means of soft tissue dissection and removal from vertebral surfaces. This group will be the Ultrasonic Dissection (UD) group.

Patients in the UD group will be recruited from the existing patient population of PSF candidates at each participating site.

Prior to recruitment of participants in Phase II, each Principal Investigator (PI) will have documented training/in service of the use the OSTEOVUE™ Dissector in at least 5 multilevel spine surgery cases.

The proportion of neuromuscular versus idiopathic cases recruited in Phase II will be based on the proportion of patients with either of these conditions recruited in Phase I.

Up to five US sites of orthopedic surgeons and/or neurosurgeons, with expertise in pediatric PSF surgery, will participate in the study. 100 subjects will be enrolled in this study (46 in the ED group and 54 in the UD group).

Propensity score matching will be utilized to match subjects in the ED group to subjects in the UD group. Propensity scores will be based on the variables known to influence blood loss, and full details of the matching methodology will be provided in a separate Statistical Analysis Plan.

Conditions
Scoliosis
Being tested
Ultrasonic Dissection (UD), Electrocautery Dissection (ED)
Medical subject headings
Scoliosis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Ultrasonic Dissection (UD)Device

    Also called Harmonic ultrasonic dissection

    Ultrasonic energy will be used as the primary means for soft tissue dissection in patients diagnosed with adolescent scoliosis undergoing multilevel (>=6) PSF

  • Electrocautery Dissection (ED)Device

    Electrocautery dissection will be used as the primary means for soft tissue dissection in patients diagnosed with adolescent scoliosis undergoing multilevel (>=6) PSF

Study groups in NCT02465099
Study groupRoleWhat they receive
Electrocautery Dissection (ED)Active comparatorPatients meeting the study criteria, scheduled to undergo posterior spinal fusion (PSF) using monopolar electrocautery and metal Cobb elevator (considered the current standard) for soft tissue dissection and removal from vertebral surfaces.
Receives: Device: Electrocautery Dissection (ED)
Ultrasonic Dissection (UD)ExperimentalPatients meeting the study criteria, scheduled to undergo PSF using ultrasonic dissection and metal Cobb elevator for soft tissue dissection and removal from vertebral surfaces.
Receives: Device: Ultrasonic Dissection (UD)

What is being measured

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

  1. Estimated Intraoperative Blood Loss

    Estimated blood loss during intraoperative Stage 1, defined as the period from first incision to the first bone violation/cut (e.g., first pedicle screw drill); and intraoperative Stage 2, defined as the period from first bone violation/cut to last suture.

    Measured: Intraoperative

Timeline

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

  1. First posted8 Jun 2015 (estimated)
  2. Study start1 Jun 2015
  3. Primary completion1 May 2016
  4. Study completion1 May 2016

Why it stopped: Terminated due to commercial considerations with no patient safety reasons.

Resources

More details

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

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
64 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02465099
Sponsor's protocol ID
ENG 14-004
Status last verified
Feb 2018
First submitted
3 Jun 2015
Last updated
19 Feb 2018
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
Yes
Individual data sharing
No: There is no plan to make IPD available.

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing Ultrasonic Dissection (UD) and Electrocautery Dissection (ED) in people with Scoliosis, run by Ethicon Endo-Surgery at 5 sites 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 8 inclusion and 12 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: stopped early, as of the sponsor's last update on 19 Feb 2018. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 5 sites 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.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 19 Feb 2018). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Estimated Intraoperative Blood Loss (time frame: Intraoperative). 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 19 Feb 2018; AzTrials last refreshed its copy on 26 Oct 2026.

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