NCT03214042

Brief Summary

To conduct a prospective, single-center, self-controlled, clinical trial to verify the efficacy and safety of K-Rod dynamic stability system in the repair of lumbar degenerative diseases following 2 years follow-up, aiming to provide references for clinical treatment of lumbar degenerative diseases.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
67

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Mar 2013

Longer than P75 for not_applicable

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2013

Completed
4.4 years until next milestone

First Submitted

Initial submission to the registry

July 9, 2017

Completed
2 days until next milestone

First Posted

Study publicly available on registry

July 11, 2017

Completed
21 days until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2017

Completed
7 months until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2018

Completed
Last Updated

February 12, 2018

Status Verified

February 1, 2018

Enrollment Period

4.4 years

First QC Date

July 9, 2017

Last Update Submit

February 8, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • Oswestry dysfunction index scores

    To quantify disability for pain. The Oswestry Disability Index questionnaire contains ten questions concerning intensity of pain, ability to take care of oneself, lifting, ability to walk, ability to sit, ability to stand, sleep quality, sexual life, social life, and ability to travel. Each question is scored on a scale of 0-5 with the first statement being zero and indicating the least amount of disability and the last statement is scored 5 indicating most severe disability.

    at month 24 after surgery

Secondary Outcomes (1)

  • Lumbar lordosis angle

    at month 24 after surgery

Study Arms (1)

trial group

EXPERIMENTAL

Sixty-seven patients with lumbar degenerative diseases were treated with K-rod dynamic stabilization system. All patients were followed for 2 years.

Device: K-rod dynamic stabilization system

Interventions

Sixty-seven patients with lumbar degenerative diseases were treated with K-rod dynamic stabilization system. All patients were followed for 2 years. K-rod dynamic stabilization system was purchased from Biotech, USA, consisting of titanium alloy pedicle screw, titanium alloy line and polyether ether ketone (PEEK) shell between pedicle screw heads.

trial group

Eligibility Criteria

Age32 Years - 76 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Degenerative lumbar spondylolisthesis (degree I)
  • Nerve root canal or central spinal canal stenosis
  • Accompanying nerve root pain and/or chronic back pain
  • years old
  • Regardless of gender
  • All patients or family members signed the informed consent

You may not qualify if:

  • Systemic infection;
  • Poor compliance and inability to complete the trial

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Intervertebral Disc Degeneration

Condition Hierarchy (Ancestors)

Spinal DiseasesBone DiseasesMusculoskeletal Diseases

Study Officials

  • Shuyi Gong

    Shenyang Orthopedic Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

July 9, 2017

First Posted

July 11, 2017

Study Start

March 1, 2013

Primary Completion

August 1, 2017

Study Completion

March 1, 2018

Last Updated

February 12, 2018

Record last verified: 2018-02