Prospective RCT study of comparison the cervical laminoplasty and cervical laminoplasty with C3 laminectomy for cervical spondylosis myelopathy

Prospective RCT study of comparison the cervical laminoplasty and cervical laminoplasty with C3 laminectomy for cervical spondylosis myelopathy - Prospective RCT study of cervical laminoplasty with third C3 laminectomy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000026186

Enrollment

120

Registered

2017-02-17

Start date

2017-03-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Cervical spondylotic myelopathy

Interventions

At the C3 lamina, laminectomy is performed. At the C3 lamina, laminoplasty is performed.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The yellow race living in Japan who is diagnosed with cervical spondylosis myelopathy and who is scheduled for surgery. The surgery is cervical laminoplasty by Hirabayashi method (C3 from C6).

Exclusion criteria

Exclusion criteria: Patients who has posterior longitudinal ligament ossification, cervical spine trauma history, cervical spine surgery history, a disease which affects attitude reflex, such as Parkinson's disease.

Design outcomes

Primary

Measure	Time frame
JOA Cervical Myelopathy Evaluation Questionnaire (JOACMEQ)	—

Countries

Japan

Contacts

Public ContactYoshiaki Oda

Okayama University Hospital The department of orthopedic surgery

p0m27nbo@s.okayama-u.ac.jp086-235-7273

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026