UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000038859
Receipt number R000044315
Scientific Title A randomized, double-blind, placebo- controlled, parallel-group study on the effect of N-acetylglucosamine on discomfort in the knee.
Date of disclosure of the study information 2019/12/15
Last modified on 2020/12/11 16:37:23

* This page includes information on clinical trials registered in UMIN clinical trial registed system.
* We don't aim to advertise certain products or treatments


Basic information

Public title

A randomized, double-blind, placebo-
controlled, parallel-group study on the effect of N-acetylglucosamine on discomfort in the knee.

Acronym

Effect of N-acetylglucosamine on discomfort in the knee.

Scientific Title

A randomized, double-blind, placebo-
controlled, parallel-group study on the effect of N-acetylglucosamine on discomfort in the knee.

Scientific Title:Acronym

Effect of N-acetylglucosamine on discomfort in the knee.

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To examine the effects of N-acetylglucosamine ingestion for 12 weeks on discomfort in the knee.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

JOA Score

Key secondary outcomes

JKOM Scor, Knee joint subjective symptoms (VAS), KS Score, J-KOOS
Interview, Body weight, Blood pressure, Pulse rate, Subjective and objective symptoms, Adverse events, Hematologic test, Blood biochemistry test, Urine analysis


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

YES

Concealment

Numbered container method


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

Ingestion of supplement containing N-acetylglucosamine for 12 weeks.

Interventions/Control_2

Ingestion of placebo without N-acetylglucosamine 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

70 years-old >

Gender

Male and Female

Key inclusion criteria

1. Healthy males and females aged 20 to 69 years old
2. Subjects who experience discomfort or pain in the knee and are classified into 0-I grade based on the Kellgren-Lawrence classification
3. Individuals who can make self-judgment and are voluntarily giving written informed consent

Key exclusion criteria

1. Individuals who are under treatment, have a history, or are suspected to have rheumatoid arthritis
2. Individuals who need treatment and medication for osteoarthritis
3. Individuals with history of surgical therapy (artificial joint) on knees.
4. Individuals who continuously use compress, topical cream, and/or analgesic agent etc. on knee region
5. Individuals who have injury of semi-lunar disc or the other knee joint disease
6. Individuals who are under treatment of serious chronic diseases e.g., liver disease, heart and/or vascular disease, respiratory disorder, endocrine disorder, or metabolic diseases
7. Individuals who cannot stop using supplements and/or functional foods affecting knee cartilage
8. Individuals who have a history of food allergy
9. Individuals who hope for pregnancy in the test duration, pregnant women, lactating women
10. Individuals who are planning to participate or already participating in other clinical studies
11. Individuals who are judged as unsuitable for the study by the investigator for other reasons

Target sample size

100


Research contact person

Name of lead principal investigator

1st name Yasuo
Middle name
Last name Kobuna

Organization

Kobuna Orthopedics Clinic

Division name

Director

Zip code

371-0813

Address

311-2 Gokan-machi, Maebashi-shi, Gumma 371-0813, Japan

TEL

027-261-7600

Email

info@kobunaseikei.jp


Public contact

Name of contact person

1st name Eiji
Middle name
Last name Yoshikawa

Organization

KSO Corporation

Division name

Sales department

Zip code

105-0023

Address

1-9-7 Shibaura, Minato-ku, Tokyo 105-0023, Japan

TEL

03-3452-7733

Homepage URL


Email

yoshikawa@kso.co.jp


Sponsor or person

Institute

KSO Corporation

Institute

Department

Personal name



Funding Source

Organization

Yaizu Suisankagaku Industry Co., Ltd.

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

Ethical Committee of Kobuna Orthopedics Clinic

Address

5-656-17 Joutou-machi, Maebashi-shi, Gunma, Japan

Tel

027-212-5608

Email

sagawa@mc-connect.co.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

2019 Year 12 Month 15 Day


Related information

URL releasing protocol


Publication of results

Published


Result

URL related to results and publications


Number of participants that the trial has enrolled

100

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

2019 Year 12 Month 04 Day

Date of IRB

2019 Year 12 Month 05 Day

Anticipated trial start date

2019 Year 12 Month 16 Day

Last follow-up date

2020 Year 04 Month 18 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2019 Year 12 Month 12 Day

Last modified on

2020 Year 12 Month 11 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000044315


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name