UMIN-CTR Clinical Trial

Basic information
Public title	Effect of Daily Ingestion of Partially Hydrolyzed Guar Gum (PHGG) on Immune Function: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study
Acronym	Beneficial Effects of Partially Hydrolyzed Guar Gum (PHGG) on Immune Function
Scientific Title	Effect of Daily Ingestion of Partially Hydrolyzed Guar Gum (PHGG) on Immune Function: A Randomized, Double-Blind, Placebo-Controlled, Parallel Group Study
Scientific Title:Acronym	Beneficial Effects of Partially Hydrolyzed Guar Gum (PHGG) on Immune Function
Region	Japan

Condition
Condition	Healthy adults
Classification by specialty	Adult
Classification by malignancy	Others
Genomic information	NO

Objectives
Narrative objectives1	To investigate clinical benefits associated with immune function on 12 weeks daily ingestion of partially hydrolyzed guar gum (PHGG) in a randomized, double-blind, placebo-controlled, parallel group study.
Basic objectives2	Safety,Efficacy
Basic objectives -Others
Trial characteristics_1	Confirmatory
Trial characteristics_2	Pragmatic
Developmental phase

Assessment
Primary outcomes	Diary about cold-like symptoms at 6 and 12 weeks after beginning the intake of test food.
Key secondary outcomes	Salivary secretory IgA, number of NK cells, CD4/CD8 ratio, number of Treg cells, serum IgG, five fraction of leukocyte, serum cytokines (IFN-gamma, IL-10), organic acids in feces.

Base
Study type	Interventional

Study design
Basic design	Parallel
Randomization	Randomized
Randomization unit	Individual
Blinding	Double blind -all involved are blinded
Control	Placebo
Stratification	YES
Dynamic allocation	NO
Institution consideration
Blocking	YES
Concealment	No need to know

Intervention
No. of arms	2
Purpose of intervention	Prevention
Type of intervention	Food
Interventions/Control_1	Daily ingestion 7.2 g of Partially Hydrolyzed Guar Gum (PHGG) for 12 weeks.
Interventions/Control_2	Daily ingestion 7.2 g of dextrin 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	65 years-old >
Gender	Male and Female
Key inclusion criteria	1. Subjects who fully understand significance, content and purpose of this study and who agree to participate in this study with a written informed consent. 2. Subjects with relatively high score for 18 items related to psychological stress on The Brief Job Stress Questionnaire.
Key exclusion criteria	1. Subjects who are under treatment or medication for autoimmune diseases, chronic inflammatory diseases or allergies. 2. Subjects who plan to receive influenza vaccination from the screening test date to the end of intake. 3. Subjects with serious cerebrovascular, cardiac, hepatic, renal, gastrointestinal or affected with infectious diseases which is required to report to the authorities. 4. Subjects who have a major surgical history such as gastrectomy, gastrorrhaphy, enterectomy or other serious gastrointestinal surgeries. 5. Subjects with unusually high and/or low blood pressure, abnormal physical data and/or abnormal hematological data. 6. Subjects with severe anemia. 7. Pre- or post-menopausal women complaining of obvious physical changes. 8. Subjects who are at risk of having allergic reactions to drugs, foods (especially soybeans or peanuts) and/or birch pollen. 9. Subjects who regularly take medicines (Antibiotics, immunosuppressants, anti-inflammatory drugs, antirheumatic drugs, antihistamines, antiallergic drugs, lactic acid bacteria preparations), functional food and/or supplements (mushrooms, seaweed, nucleic acids, yeast, lactobacillus, etc.) which would affect the immune function. 10. Heavy smokers, alcohol addicts or subjects with irregular lifestyle. 11. Subjects who donated either 400 ml whole blood within 16 weeks (women), 12 weeks (men), 200 ml whole blood within 4 weeks, or blood components within 2 weeks, prior to the current study. 12. Pregnant or lactating women or women who expect to be pregnant during this study. 13. Subjects who currently participate in other clinical trials, or participated within the last 4 weeks prior to the current study. 14. Subjects determined to be ineligible by the principal investigator.
Target sample size	100

Research contact person
Name of lead principal investigator	1st name Jun Middle name Last name NISHIHIRA
Organization	Hokkaido Information University
Division name	Department of Medical Management and Informatics
Zip code	069-8585
Address	59-2, Nishi-nopporo, Ebetsu, Hokkaido, Japan
TEL	011-385-4411
Email	nishihira@do-johodai.ac.jp

Public contact
Name of contact person	1st name Naoyuki Middle name Last name HONMA
Organization	Hokkaido Information University
Division name	Health Information Science Center
Zip code	069-8585
Address	59-2, Nishi-nopporo, Ebetsu, Hokkaido, Japan
TEL	011-385-4430
Homepage URL
Email	hisc-acad.res@s.do-johodai.ac.jp

Sponsor
Institute	Hokkaido Information University
Institute
Department

Funding Source
Organization	Nestle Japan Ltd. Taiyo Kagaku Co. Ltd.
Organization
Division
Category of Funding Organization	Profit organization
Nationality of Funding Organization	Japan

Other related organizations
Co-sponsor
Name of secondary funder(s)

IRB Contact (For public release)
Organization	The ethics committee of Hokkaido Information University
Address	59-2, Nishi-nopporo, Ebetsu, Hokkaido, 069-8585, Japan
Tel	011-385-4411
Email	soumu@do-johodai.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	北海道情報大学　保健センター（北海道）

Other administrative information
Date of disclosure of the study information	2020 Year 12 Month 15 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	2020 Year 11 Month 25 Day
Date of IRB	2020 Year 11 Month 25 Day
Anticipated trial start date	2021 Year 01 Month 07 Day
Last follow-up date	2021 Year 04 Month 27 Day
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Other
Other related information

Management information
Registered date	2020 Year 12 Month 14 Day
Last modified on	2021 Year 10 Month 25 Day

Link to view the page
URL(English)	https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000048796