UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000033185
Receipt number R000037666
Scientific Title The effects of bifidobacterium lactis strain NT and effects of addition to galacto-oligosaccharide on defecation frequency in healthy subjects with low defecation frequency: a randomized, double-blind, placebo-controled, parallel-group trial
Date of disclosure of the study information 2018/07/01
Last modified on 2020/04/07 17:05:45

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Basic information

Public title

The effects of bifidobacterium lactis strain NT and effects of addition to galacto-oligosaccharide on defecation frequency in healthy subjects with low defecation frequency: a randomized, double-blind, placebo-controled, parallel-group trial

Acronym

The effects of bifidobacterium lactis strain NT and effects of addition to galacto-oligosaccharide on defecation frequency in healthy subjects with low defecation frequency: a randomized, double-blind, placebo-controled, parallel-group trial

Scientific Title

The effects of bifidobacterium lactis strain NT and effects of addition to galacto-oligosaccharide on defecation frequency in healthy subjects with low defecation frequency: a randomized, double-blind, placebo-controled, parallel-group trial

Scientific Title:Acronym

The effects of bifidobacterium lactis strain NT and effects of addition to galacto-oligosaccharide on defecation frequency in healthy subjects with low defecation frequency: a randomized, double-blind, placebo-controled, parallel-group trial

Region

Japan


Condition

Condition

Subjects who have a tendency to be constipated

Classification by specialty

Not applicable

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To varidate the effect of frequent bowel movement on intaking capsule food containing Bifidobacterium lactis NT strain or capsule food added galactooligosaccharide to Bifidobacterium lactis NT strain for 2 weeks in adults who defecate twice or three times per week.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Frequency of spontaneous bowel movements during the second week of the administration period

Key secondary outcomes

1. Spontaneous stool frequency during the first week of the administration period
2. The difference of spontaneous stool frequency between the period of first week of the administration period and the period of second week of the observation period
3. The difference of spontaneous stool frequency between the period of second week of the administration period and the period of second week of the observation period
4. Spontaneous stool frequency during the first or second week of the observation period
5. Spontaneous stool frequency without feeling of incomplete evacuation during the first week of the administration period
6. Spontaneous stool frequency without feeling of incomplete evacuation during the second week of the administration period
7. Spontaneous stool frequency without feeling of incomplete evacuation during the first week of the observation period
8. Spontaneous stool frequency without feeling of incomplete evacuation during the second week of the observation period
9. The difference of spontaneous stool frequency between the administration period and the observation period
10. The difference of days when subjects defecate between the administration period and the observation period
11. The difference of average on Bristol stool form scale between the administration period and the observation period
12. The difference of score about straining during bowel movement
13. The difference of score about pain during bowel movement
14. The difference of score about incomplete bowel movement
15. The difference of score at each question of PAC-SYM
16. The ratios of subjects whose scores of PAC-SYM was decreased by more than 0.5 or 1 before and after the administration period
17. The ratio of nonresponder to test food about the effect of constipation improvement
18. The difference of each nutrient calculated by BDHQ between responder and nonresponder in entire or each group
19. The difference of score about stool color before and after the administration period


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

NO

Concealment

Central registration


Intervention

No. of arms

3

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Take four capsules containing Bifidobacterium lactis a day

Interventions/Control_2

Take four capsules containing Bifidobacterium lactis and galact-oligo saccaride a day

Interventions/Control_3

Take four placebo capsules a day

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

60 years-old >=

Gender

Male and Female

Key inclusion criteria

1. Adult male and female from 20 to 60 years old
2. Subjects whose stool frequency is twice or three times per week
3. Subjects who can obtain written consent about the participation of this research

Key exclusion criteria

1. Subjects diagnosed with constipation or subjects who fit the Rome IV criteria in the interview
2. Subjects who have the history of organic disease in the gastrointestinal tract in the past and present
3. Subjects who diagnosed as kidney disease
4. Subjects who diagnosed as diabetes
5. Subjects who diagnosed with hypothyroidism
6. Subjects who diagnosed with inflammatory disease
7. Subjects who diagnosed with neurological or psychiatric disease
8. Subjects who took antibiotics or probiotics within the past 1 month including present
9. Subjects who take the drugs inducing chronic constipation
10. Subjects who use biological drugs and steroids
11. Subject who take the foods containing lactic acid bacteria or bifidus bacteria routinely
12. Subject who take the health food for constipation improvement routinely
13. Subjects who have a history of allergy to the foods containing lactobacillus or bifidus bacteria
14. Subjects who participating in other clinical tests about food containing probiotics, or who have not been past one month since participation
15. Subjects who cannot stop the use of constipation drugs and that of foods for constipation improvement during the research period
16. Subjects who will travel overseas during the research period
17. Subjects who investigator judge not suitable to participate in the trial

Target sample size

69


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Takao Maekita

Organization

Wakayama Medical University, School of Medicine

Division name

Second Lecture of Internal Medicine

Zip code


Address

811-1 Kimiidera, Wakayama 641-8509, Japan

TEL

073-441-0627

Email

maekita@wakayama-med.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Yuta Yamamoto

Organization

Wakayama Medical University, School of Medicine

Division name

Department of Anatomy and Cell Biology

Zip code


Address

811-1 Kimiidera, Wakayama 641-8509, Japan

TEL

073-441-0616

Homepage URL


Email

yuta-y@wakayama-med.ac.jp


Sponsor or person

Institute

Second Lecture of Internal Medicine, Wakayama Medical University School of Medicine

Institute

Department

Personal name



Funding Source

Organization

Nitto Pharmaceutical Industries, 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


Address


Tel


Email



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

2018 Year 07 Month 01 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

2018 Year 06 Month 15 Day

Date of IRB

2018 Year 06 Month 28 Day

Anticipated trial start date

2018 Year 07 Month 01 Day

Last follow-up date

2019 Year 04 Month 30 Day

Date of closure to data entry

2019 Year 05 Month 31 Day

Date trial data considered complete

2019 Year 11 Month 06 Day

Date analysis concluded

2020 Year 01 Month 10 Day


Other

Other related information



Management information

Registered date

2018 Year 06 Month 28 Day

Last modified on

2020 Year 04 Month 07 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000037666


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name