UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000061080
Receipt number R000069890
Scientific Title Effects of collagen tripeptide supplementation combined with resistance training on morphological and functional properties of the Achilles tendon and triceps surae
Date of disclosure of the study information 2026/03/30
Last modified on 2026/03/30 11:43:25

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Basic information

Public title

Effects of collagen tripeptide supplementation combined with resistance training on Achilles tendon and calf muscle properties

Acronym

Collagen and Training Study (Achilles Tendon and Calf)

Scientific Title

Effects of collagen tripeptide supplementation combined with resistance training on morphological and functional properties of the Achilles tendon and triceps surae

Scientific Title:Acronym

COL-RT Trial

Region

Japan


Condition

Condition

Achilles tendinopathy

Classification by specialty

Orthopedics

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To investigate the effects of collagen tripeptide supplementation combined with resistance training on the morphological and functional properties of the Achilles tendon and triceps surae.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Tendon stiffness, tendon volume, tendon cross-sectional area, muscle volume, and muscle cross-sectional area

Key secondary outcomes



Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Non-randomized

Randomization unit


Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Educational,Counseling,Training

Type of intervention

Food

Interventions/Control_1

Collagen tripeptide supplementation

Participants will ingest collagen tripeptide (product name: HACP-BV50) orally once daily at a dose of 2 g (one packet) for a period of 14 weeks.

Each packet (2 g) contains 7 kcal of energy, 1.8 g of protein, 0 g of fat, 0 g of carbohydrates, and 0.03 g of salt equivalent. The total collagen content is 1800 mg, including 810 mg of tripeptides. The product is manufactured in Japan.

Interventions/Control_2

maltodextrin supplementation

Participants will ingest maltodextrin orally once daily at a dose of 2 g (one packet) for a period of 14 weeks.

This intervention will be administered as a placebo and will be matched to the collagen tripeptide supplementation in terms of administration method and frequency.

Each packet (2 g) contains approximately 8 kcal of energy, 0 g of protein, 0 g of fat, approximately 2 g of carbohydrates, and 0 g of salt equivalent.

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

25 years-old >=

Gender

Male

Key inclusion criteria

Healthy young males with no regular exercise habits, a body mass index (BMI) between 18.5 and 25.0

Key exclusion criteria

history of lower extremity musculoskeletal injuries

Target sample size

24


Research contact person

Name of lead principal investigator

1st name takashi
Middle name
Last name okada

Organization

Nippon Sport Science University

Division name

School of Sport and Health Science

Zip code

1588508

Address

7-1-1 Fukasawa, Setagaya-ku, Tokyo 158-8508, Japan

TEL

03-5706-1024

Email

t-okada@nittai.ac.jp


Public contact

Name of contact person

1st name shogo
Middle name
Last name okamura

Organization

Nippon Sport Science University

Division name

graduate school

Zip code

1588508

Address

7-1-1 Fukasawa, Setagaya-ku, Tokyo 158-8508, Japan

TEL

08027199390

Homepage URL


Email

25sda06@nittai.ac.jp


Sponsor or person

Institute

Nippon Sport Science University

Institute

Department

Personal name



Funding Source

Organization

Jellice Co., Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization



Other related organizations

Co-sponsor

Jellice Co., Ltd.; Integrate Co., Ltd.

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Nippon Sport Science University

Address

7-1-1 Fukasawa, Setagaya-ku, Tokyo 158-8508, Japan

Tel

03-5706-0931

Email

rinri-shinsa@nittai.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

日本体育大学世田谷キャンパス


Other administrative information

Date of disclosure of the study information

2026 Year 03 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

21

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

No longer recruiting

Date of protocol fixation

2025 Year 01 Month 01 Day

Date of IRB

2023 Year 10 Month 11 Day

Anticipated trial start date

2025 Year 01 Month 01 Day

Last follow-up date

2026 Year 04 Month 30 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 03 Month 27 Day

Last modified on

2026 Year 03 Month 30 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000069890