UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000044272
Receipt number R000050563
Scientific Title A randomised, double-blind, placebo-controlled crossover clinical trial on the effect of lactulose on improving the intestinal environment.
Date of disclosure of the study information 2021/05/20
Last modified on 2022/12/08 14:36:44

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Basic information

Public title

A clinical trial on the effect of lactulose on improving the intestinal environment.

Acronym

A clinical trial of lactulose.

Scientific Title

A randomised, double-blind, placebo-controlled crossover clinical trial on the effect of lactulose on improving the intestinal environment.

Scientific Title:Acronym

A clinical trial on the effect of lactulose on improving the intestinal environment.

Region

Japan


Condition

Condition

Not applicable

Classification by specialty

Not applicable Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To verify the bifidobacteria growth effect over time when 4 g of lactulose is ingested.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Bifidobacterium occupancy in feces

Key secondary outcomes

Stool bacterial flora, stool bifidobacterial count, defecation frequency, the days of defecation, stool properties, defecation volume, strength of defecation, defecation time.


Base

Study type

Interventional


Study design

Basic design

Cross-over

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

YES

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

Intake of lactulose 4g/day for 2 weeks

Interventions/Control_2

Intake of placebo for 2 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

・Persons who defecate 3 to 7 days par week
・Persons with bifidobacteria in the intestines

Key exclusion criteria

1) Subjects with severe hepatic, renal, heart, gastrointestinal, cerebrovascular, endocrine, metabolic or infection diseases.
2) Subjects with the history of gastrointestinal resection.
3) Subjects with gastrointestinal dysfunction such as irritable bowel syndrome or inflammatory bowel disease.
4) Subjects who use medicines or supplements that may influence feces frequency; e.g. antibiotics, probiotics, laxatives, antidiarrheals, fibers.
5) Subjects with milk allergy or lactose intolerance.
6) Subjects who participate another study.
7) Subjects who are judged inappropriate for the study by the investigator or the physician.

Target sample size

36


Research contact person

Name of lead principal investigator

1st name Daisuke
Middle name
Last name Kawaguchi

Organization

Megurodoori Gastrointestinal Surgery Internal Medicine Clinic

Division name

Doctor's department

Zip code

153-0064

Address

6-1-27 Shimo-Meguro, Meguro-Ku, Tokyo

TEL

03-3713-1117

Email

info@meguro-ikamera.com


Public contact

Name of contact person

1st name Yosuke
Middle name
Last name Inaba

Organization

3H Clinical Trial Co., Ltd.

Division name

Patient Recruitment Group

Zip code

171-0022

Address

1-13-23 Minamiikebukuro, Toshima-ku, Tokyo

TEL

03-5985-0053

Homepage URL


Email

info@c-trial.com


Sponsor or person

Institute

Megurodoori Gastrointestinal Surgery Internal Medicine Clinic

Institute

Department

Personal name



Funding Source

Organization

Morinaga Milk Industry 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

Japan Conference of Clinical Research

Address

1-13-23 Minamiikebukuro, Toshima-ku, Tokyo

Tel

03-6868-7022

Email

jccr-info@jccr.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

医療法人社団 一星会 目黒通り消化器外科・内科クリニック


Other administrative information

Date of disclosure of the study information

2021 Year 05 Month 20 Day


Related information

URL releasing protocol

https://doi.org/10.3390/microorganisms10091719

Publication of results

Published


Result

URL related to results and publications

https://doi.org/10.3390/microorganisms10091719

Number of participants that the trial has enrolled

36

Results

Ingestion of 4 g of lactulose for 3 days increased fecal bifidobacterial occupancy.

Results date posted

2022 Year 12 Month 08 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

Healthy Japanese adult male and female

Participant flow

Refer to the paper

Adverse events

Refer to the paper

Outcome measures

Refer to the paper

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2021 Year 04 Month 30 Day

Date of IRB

2021 Year 05 Month 13 Day

Anticipated trial start date

2021 Year 05 Month 21 Day

Last follow-up date

2021 Year 10 Month 27 Day

Date of closure to data entry

2022 Year 03 Month 18 Day

Date trial data considered complete

2022 Year 04 Month 07 Day

Date analysis concluded

2022 Year 07 Month 22 Day


Other

Other related information



Management information

Registered date

2021 Year 05 Month 20 Day

Last modified on

2022 Year 12 Month 08 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000050563


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name