UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000061774
Receipt number R000070681
Scientific Title The Effects of Local Anesthetics on the Proliferation and Multipotency of Synovial Stem Cells
Date of disclosure of the study information 2026/06/02
Last modified on 2026/06/02 20:25:00

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Basic information

Public title

The Effects of Local Anesthetics on the Proliferation and Multipotency of Synovial Stem Cells

Acronym

Effects of Local Anesthetics on Synovial Mesenchymal Stem Cells

Scientific Title

The Effects of Local Anesthetics on the Proliferation and Multipotency of Synovial Stem Cells

Scientific Title:Acronym

Effects of Local Anesthetics on Synovial Mesenchymal Stem Cells

Region

Japan


Condition

Condition

Knee Osteoarthritis

Classification by specialty

Orthopedics

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

We will investigate the effects of local anesthetics on the proliferation and differentiation of synovial-derived stem cells isolated and cultured from synovial tissue obtained from the knee, which is scheduled for surgical resection.

Basic objectives2

Others

Basic objectives -Others

Characterization of Synovial Stem Cells

Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Cartilage Differentiation Assay

Key secondary outcomes

Live cell percentage after enzymatic treatment
Cell yield and viability after approximately two weeks of culture
Adipogenic potential
Bone differentiation potential
Surface antigen expression


Base

Study type

Interventional


Study design

Basic design

Single arm

Randomization

Non-randomized

Randomization unit


Blinding

Open -no one is blinded

Control

Self control

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

1

Purpose of intervention

Prevention

Type of intervention

Maneuver

Interventions/Control_1

Administer a local anesthetic to the site prior to synovial fluid aspiration

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

Knee Osteoarthritis

Key exclusion criteria

Individuals suspected of having an infection.
Individuals deemed medically unsuitable for other reasons.

Target sample size

50


Research contact person

Name of lead principal investigator

1st name Ichiro
Middle name
Last name Sekiya

Organization

Institute of Science Tokyo

Division name

Center for Stem Cell and Regenerative Medicine

Zip code

113-8510

Address

1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan

TEL

03-5803-4017

Email

sekiya.arm@tmd.ac.jp


Public contact

Name of contact person

1st name administrator
Middle name
Last name Office

Organization

Institute of Science Tokyo

Division name

Center for Stem Cell and Regenerative Medicine

Zip code

113-8510

Address

1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan

TEL

03-5803-4017

Homepage URL


Email

saisei01.arm@tmd.ac.jp


Sponsor or person

Institute

Institute of Science Tokyo

Institute

Department

Personal name



Funding Source

Organization

Japan Agency for Medical Research and Development

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

Medical Research Ethics Committee of Institute of Science Tokyo

Address

1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan

Tel

03-5803-4547

Email

rinri.adm@tmd.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 06 Month 02 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 06 Month 02 Day

Date of IRB


Anticipated trial start date

2026 Year 07 Month 01 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



Management information

Registered date

2026 Year 06 Month 02 Day

Last modified on

2026 Year 06 Month 02 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000070681