Construction of registry of patients with ossification of posterior longitudinal ligament: A prospective multi-center study

Construction of registry of patients with ossification of posterior longitudinal ligament: A prospective multi-center study - Construction of registry of patients with ossification of posterior longitudinal ligament

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000035194

Enrollment

500

Registered

2018-12-30

Start date

2019-04-23

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

OPLL

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients in whom ossification of posterior longitudinal ligament is confirmed on plain X-ray

Exclusion criteria

Exclusion criteria: Patients will not get consent

Design outcomes

Primary

Measure	Time frame
First time registration: Early onset date, diagnosed date, family history, past history, smoking / drunk habit, medication history, JOA score, EQ-5D-5L, NDI, VAS, Xp, CT At follow-up: outcome, new medication history, JOA score, EQ-5D-5L, NDI, VAS, Xp, presence of surgery	—

Countries

Japan

Contacts

Public ContactToshitaka Yoshii

Tokyo Medical and Dental University Department of Orthopedic Surgery

opll.orth@tmd.ac.jp03-5803-4279

Outcome results