Randomized non-inferiority test of reduced implant laminoplasty.

Randomized non-inferiority test of reduced implant laminoplasty. - SKIP-2

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000035455

Enrollment

160

Registered

2019-02-01

Start date

2019-02-01

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 spodylotic myelopathy

Interventions

Tha group undergo the laminoplasty with four implants Tha group undergo the laminoplasty with teo implants

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients who will undergo lamioplasty for cervical spondylotic myelopathy in the Osaka City Unviversity Hospital or related instituion 2. Patients who will undergo lamioplasty from C3-C6 3. Patients who is equal or more than 60 years old 4. Patients with agreement after provided informed consent

Exclusion criteria

Exclusion criteria: 1. Patients with severe cervical kyphosis 2. Patients with severe cervical instabilitiy 3. Patients with history of previous cervical surgery 4. Patient with severe OPLL 5. Patient with severe renal disease 6. Patient with severe liver disease

Design outcomes

Primary

Measure	Time frame
cervical JOA score 2 years postoperatively	—

Countries

Japan

Contacts

Public ContactKoji Tamai

Osaka City University Orthopedics

koji.tamai@msic.med.osaka-cu.ac.jp0666453851

Outcome results

None listed

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