NCT04968639

Brief Summary

The characteristic of axial pain and EEG analysis of patients after laminoplasty

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
80

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Jan 2019

Longer than P75 for all trials

Geographic Reach
1 country

2 active sites

Status
unknown

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

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2019

Completed
2.5 years until next milestone

First Submitted

Initial submission to the registry

June 27, 2021

Completed
23 days until next milestone

First Posted

Study publicly available on registry

July 20, 2021

Completed
1.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 30, 2022

Completed
1 day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2022

Completed
Last Updated

November 1, 2022

Status Verified

October 1, 2022

Enrollment Period

4 years

First QC Date

June 27, 2021

Last Update Submit

October 29, 2022

Conditions

Keywords

Cervical MyelopathyAxial PainElectroencephalogram Analysis

Outcome Measures

Primary Outcomes (4)

  • Electroencephalogram analysis

    Electroencephalogram analysis (focus on the gamma oscillation at prefrontal cortex) at 3-month follow-up.

    3 months after surgery.

  • Electroencephalogram analysis

    Electroencephalogram analysis (focus on the gamma oscillation at prefrontal cortex) at 1-year follow-up.

    1 year after surgery.

  • Visual analogue scale for axial pain

    Visual analogue scale for axial pain before operation and at 3-month follow-up

    3 months after surgery.

  • Visual analogue scale for axial pain

    Visual analogue scale for axial pain before operation and at 1-year follow-up

    1 year after surgery.

Secondary Outcomes (10)

  • Outcome of cervical spine function

    3 months after surgery.

  • Outcome of cervical spine function

    1 year after surgery.

  • Quality of life outcome

    3 months after surgery.

  • Quality of life outcome

    1 year after surgery.

  • Psychological measures

    3 month after surgery.

  • +5 more secondary outcomes

Study Arms (2)

Axial pain positive group

Postoperative VAS score ≥ 3 points at 3-month follow-up

Axial pain negative group

Postoperative VAS score ≤ 2 points at 3-month follow-up

Eligibility Criteria

Age18 Years - 80 Years
Sexall
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients with CSM undergoing C3-7 open-door laminoplasty.

You may qualify if:

  • Age: 18\~70 years.
  • Diagnosed as degenerative cervical spine myelopathy.
  • Must receive C3-C7 open-door laminoplasty.
  • Agree to join this study and sign the informed consent.

You may not qualify if:

  • Severe cervical spine kyphosis.
  • Cervical spine radiculopathy.
  • Laminoplasty with fusion.
  • Cervical spine anterior column lesion because of tumor, trauma or infection.
  • Severe osteoporosis.
  • Morbid obesity.
  • patients with mental disorder.
  • Pregnancy.
  • History of infection within last 3 months.
  • Severe nervous system disease.
  • Abnormal laboratory report of liver function, kidney function and hematologic system.
  • Poor compliance.
  • Patients with other surgical contraindications.
  • Patients with intemperance or taking drugs.
  • Patients who joined other study within the last 3 months.
  • +2 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Ming Yi

Beijing, Beijing Municipality, 100083, China

RECRUITING

Feifei Zhou

Beijing, Beijing Municipality, 100191, China

RECRUITING

Central Study Contacts

Feifei Zhou, M.D.

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 27, 2021

First Posted

July 20, 2021

Study Start

January 1, 2019

Primary Completion

December 30, 2022

Study Completion

December 31, 2022

Last Updated

November 1, 2022

Record last verified: 2022-10

Data Sharing

IPD Sharing
Will not share

Locations