UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000061144
Receipt number R000069944
Scientific Title Incidence and Associated Factors of Mechanical Complications After Spinal Fusion Surgery
Date of disclosure of the study information 2026/04/03
Last modified on 2026/04/03 09:17:54

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Basic information

Public title

Incidence and Associated Factors of Mechanical Complications After Spinal Fusion Surgery

Acronym

Investigation of Mechanical Complications After Spinal Fusion Surgery

Scientific Title

Incidence and Associated Factors of Mechanical Complications After Spinal Fusion Surgery

Scientific Title:Acronym

Investigation of Mechanical Complications After Spinal Fusion Surgery

Region

Japan


Condition

Condition

Degenerative spinal disorders (including lumbar spinal stenosis, degenerative spondylolisthesis, and adult spinal deformity)

Classification by specialty

Orthopedics Rehabilitation medicine

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The purpose of this study is to investigate the incidence of mechanical complications following spinal fusion surgery and to identify associated clinical and surgical factors.

Basic objectives2

Others

Basic objectives -Others

Epidemiological study investigating incidence and associated factors

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Occurrence of postoperative mechanical complications

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

・Patients who underwent spinal fusion surgery at our institution
・Surgery performed between April 2017 and March 2022
・Patients with at least 1 year of postoperative follow-up

Key exclusion criteria

Patients who declined participation (opt-out)

Target sample size

250


Research contact person

Name of lead principal investigator

1st name Masatoshi
Middle name
Last name Teraguchi

Organization

Wakayama Medical University

Division name

Department of Orthopaedic Surgery

Zip code

641-8510

Address

811-1 Kimiidera, Wakayama-shi, Wakayama, Japan

TEL

+81-73-447-2300

Email

m-tera@wakayama-med.ac.jp


Public contact

Name of contact person

1st name Masafumi
Middle name
Last name Nakagawa

Organization

Wakayama Medical University Hospital

Division name

Department of Rehabilitation

Zip code

641-8510

Address

811-1 Kimiidera, Wakayama-shi, Wakayama, Japan

TEL

+81-73-447-2300

Homepage URL


Email

ptnaka@wakayama-med.ac.jp


Sponsor or person

Institute

Wakayama Medical University

Institute

Department

Personal name



Funding Source

Organization

Wakayama Medical University

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Research Ethics Committee of Wakayama Medical University

Address

811-1 Kimiidera, Wakayama-shi, Wakayama, Japan

Tel

+81-73-447-2300

Email

wa-rinri@wakayama-med.ac.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2026 Year 04 Month 03 Day


Related information

URL releasing protocol


Publication of results

Unpublished


Result

URL related to results and publications


Number of participants that the trial has enrolled


Results


Results date posted


Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Preinitiation

Date of protocol fixation

2026 Year 04 Month 03 Day

Date of IRB


Anticipated trial start date

2026 Year 04 Month 03 Day

Last follow-up date

2028 Year 03 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

Retrospective observational cohort study


Management information

Registered date

2026 Year 04 Month 03 Day

Last modified on

2026 Year 04 Month 03 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000069944