UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000053249
Receipt number R000059450
Scientific Title Efficacy of indirect decompression for unstable lumbar degenerative spondylolisthesis: indirect decompression versus direct decompression
Date of disclosure of the study information 2023/12/28
Last modified on 2023/12/28 12:07:15

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Basic information

Public title

Efficacy of indirect decompression for unstable lumbar degenerative spondylolisthesis: indirect decompression versus direct decompression

Acronym

Efficacy of indirect decompression for unstable lumbar degenerative spondylolisthesis

Scientific Title

Efficacy of indirect decompression for unstable lumbar degenerative spondylolisthesis: indirect decompression versus direct decompression

Scientific Title:Acronym

Efficacy of indirect decompression for unstable lumbar degenerative spondylolisthesis

Region

Japan


Condition

Condition

degenerative lumbar spondylolisthesis

Classification by specialty

Orthopedics

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the clinical outcomes of indirect decompression compared to direct decompression in lateral entry intervertebral fusion for unstable lumbar degenerative spondylolisthesis.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Comparison of functional outcome (Oswestry Disability Index) at 2 years postoperatively

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Maneuver

Interventions/Control_1

lateral lumbar interbody fusion (indirect decompression)

Interventions/Control_2

lateral lumbar interbody fusion (direct decompression)

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

45 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

(1) Patients with lumbar degenerative spondylolisthesis (Grade 1 or 2) between one vertebra diagnosed by simple lumbar spine X-ray and MRI
2) Patients with symptomatic (cauda equina or nerve root symptoms) lumbar spinal canal stenosis
(iii) Patients with intervertebral instability (worsening of slip of 3 mm or more on simple lumbar spine X-ray with anterior-posterior flexion)
(iv) Patients who are 45 years of age or older at the time of consent/enrollment
(5) Written consent for participation in the study has been obtained from the patients themselves.

Key exclusion criteria

(i) Has undergone surgery for lumbar degenerative spondylolisthesis
(2) Severe infection and other serious complications (American Society of Anesthesiologists
Class 3 or higher)
(iii) Other patients who are judged to be inappropriate for this study by the Principal Investigator or a Research Associate.

Target sample size

68


Research contact person

Name of lead principal investigator

1st name Takayoshi
Middle name
Last name Shimizu

Organization

Kyoto University Hospital

Division name

Department of Orthopaedic Surgery

Zip code

6068507

Address

Kawaharamachi, Syogoin, Sakyo, Kyoto

TEL

0757513111

Email

takayosh@kuhp.kyoto-u.ac.jp


Public contact

Name of contact person

1st name Takayoshi
Middle name
Last name Shimizu

Organization

Kyoto University Hospital

Division name

Department of Orthopaedic Surgery

Zip code

6068507

Address

Kawaharamachi, Syogoin, Sakyo, Kyoto

TEL

0757513111

Homepage URL


Email

takayosh@kuhp.kyoto-u.ac.jp


Sponsor or person

Institute

Kyoto University

Institute

Department

Personal name

Shimizu Takayoshi


Funding Source

Organization

None

Organization

Division

Category of Funding Organization

Other

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Kyoto University, Ethics Committie

Address

Yoshida Konoecho, Sakyo, Kyoto

Tel

075-753-4680

Email

ethcom@kuhp.kyoto-u.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

京都大学医学部附属病院(京都府)


Other administrative information

Date of disclosure of the study information

2023 Year 12 Month 28 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

2023 Year 12 Month 28 Day

Date of IRB

2023 Year 12 Month 28 Day

Anticipated trial start date

2024 Year 01 Month 04 Day

Last follow-up date

2029 Year 01 Month 04 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2023 Year 12 Month 28 Day

Last modified on

2023 Year 12 Month 28 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000059450


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name