UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000056585
Receipt number R000064490
Scientific Title Undenatured Type II Collagen Long-term Intake Study
Date of disclosure of the study information 2026/04/30
Last modified on 2025/09/16 09:59:12

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Basic information

Public title

Undenatured Type II Collagen Long-term Intake Study

Acronym

Undenatured Type II Collagen Long-term Intake Study

Scientific Title

Undenatured Type II Collagen Long-term Intake Study

Scientific Title:Acronym

Undenatured Type II Collagen Long-term Intake Study

Region

Japan


Condition

Condition

N/A (healthy adults)

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the improvement in knee joint and the associated motor functions following the oral administration of the study foods for 12 weeks continuously in healthy male and female

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Knee joint passive range of motion

Key secondary outcomes

WOMAC, JKOM, VAS for knee discomfort (at wake up, when walking, when ascending stairs, when descending stairs, when squatting, when sitting upright, when standing up after sitting upright, when standing up from a chair, when picking up something that has fallen on the floor), JLEQ, VAS for lower back discomfort (at wake up, when walking, when ascending stairs, when descending stairs, when squatting, when sitting upright, when standing up after sitting upright, when standing up from a chair, when rolling over, when stretching the lower back, when twisting the lower back, while in crouching or forward-leaning position, when picking up something that has fallen on the floor), and the motor function (10-meter walking test (the duration and number of steps for normal and fastest walks) and stair-climbing tests)


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Intake the test food (capsules containing undenatured type II collagen) for 12 weeks

Interventions/Control_2

Intake the control food (capsules without undenatured type II collagen) for 12 weeks

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

20 years-old <=

Age-upper limit

75 years-old >

Gender

Male and Female

Key inclusion criteria

1)Japanese male and female aged 20 to <75 years at the time of obtaining the consent for trial participation
2)Healthy participants who are not currently receiving treatment for any serious disease
3)Participants who do not have OA or RA but have discomfort in their knees
4)Participants with JKOM pain VAS 20mm or more (preferably 50mm or less)
5)Participants who can visit the designated facility on the scheduled visit date
6)Participants who provided their consent in writing after having fully understood the purpose and content of the trial

Key exclusion criteria

1)Participants with OA (knee OA , grade II or higher according to the KL classification), RA , and gout
2)Participants with gait velocity of 1.0m/s or more at 10m walk (maximal velocity walk) during the pretest
3)Participants with body mass index 25.0 or more at the time of preliminary examination
4)Participants undergoing outpatient treatment for knee arthralgia
5)Participants who have difficulty in participating in the study due to liver, kidney, and heart diseases, respiratory disorder, endocrine disorder, metabolic disorder, neuropathy, consciousness disorder, diabetes mellitus (according to the criteria established by the Japanese Diabetes Association), and other diseases
6)Participants with a history of cardiovascular disease
7)Participants who regularly use drugs or health foods/supplements (including food for specified uses, food with function claims, and food with nutrient function claims) that may affect this study (but who can stop using them at the time informed consent was obtained is not applicable)
8)Participants with allergies related to test foods (collagen)
9)Participants who have weakness or deterioration in physical condition due to previous blood sampling
10)Participants who have donated blood (200mL or more) from the month before the start of the study to the start of the study or who are scheduled to donate blood during the study period
11)Participants participating in other clinical trials or who are within 4 weeks of completion of the study
12)Participants with alcohol polydipsia and persons who smoke excessively
13)Participants who have extremely irregular eating habits
14)Participants who do not agree with the purpose of the test, which was explained in advance
15)Participants who are determined by the principal investigator as not suitable for participation in this study

Target sample size

88


Research contact person

Name of lead principal investigator

1st name Yoshiaki
Middle name
Last name Shiojima

Organization

Ryusendo Co., Ltd.

Division name

President and CEO

Zip code

1710021

Address

1-5-3 Nishi-ikebukuro, Toshima-ku, Tokyo 171-0021, Japan

TEL

0339858346

Email

y.shiojima@ryusendo.co.jp


Public contact

Name of contact person

1st name Megumi
Middle name
Last name Takahashi

Organization

Ryusendo Co., Ltd.

Division name

Development Division

Zip code

1710021

Address

1-5-3 Nishi-ikebukuro, Toshima-ku, Tokyo 171-0021, Japan

TEL

03-3985-8346

Homepage URL


Email

m.takahashi@ryusendo.co.jp


Sponsor or person

Institute

Kyowa Trial Co., Ltd.

Institute

Department

Personal name

Yoshimichi Kozai


Funding Source

Organization

Ryusendo Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional Review Board of Yamazaki Otolaryngology Medical Corporation Clinic

Address

14-1-16 Kita 11-jo Nishi, Chuo-ku, Sapporo-shi, Hokkaido 060-0011, Japan

Tel

011-757-3387

Email

s-ito@kyowa-t.com


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 30 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

Completed

Date of protocol fixation

2024 Year 10 Month 16 Day

Date of IRB

2024 Year 11 Month 05 Day

Anticipated trial start date

2025 Year 01 Month 20 Day

Last follow-up date

2025 Year 05 Month 02 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2024 Year 12 Month 27 Day

Last modified on

2025 Year 09 Month 16 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/icdr_e/ctr_view.cgi?recptno=R000064490