UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000016746
Receipt number R000019422
Scientific Title Multicenter Randomized Double-blind Controlled Trial on Efficacy of Lactobacillus gasseri OLL2716 for Helicobacter pylori infection: Impact of probiotics on dyspeptic symptoms
Date of disclosure of the study information 2015/03/14
Last modified on 2015/03/09 14:19:22

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Basic information

Public title

Multicenter Randomized Double-blind Controlled Trial on
Efficacy of Lactobacillus gasseri OLL2716 for Helicobacter
pylori infection: Impact of probiotics on dyspeptic
symptoms

Acronym

Efficacy of L. gasseri in dyspeptic subjects

Scientific Title

Multicenter Randomized Double-blind Controlled Trial on
Efficacy of Lactobacillus gasseri OLL2716 for Helicobacter
pylori infection: Impact of probiotics on dyspeptic
symptoms

Scientific Title:Acronym

Efficacy of L. gasseri in dyspeptic subjects

Region

Japan


Condition

Condition

H. pylori infection with dyspepsia

Classification by specialty

Gastroenterology Infectious disease Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The primary end-point was a decrease in the bacterial load as assessed by the 13C urea breath test and H. pylori stool antigen test OD value, and the secondary end-point was improvements in gastric mucosal inflammation as assessed by serum pepsinogen I/II measuremenst and and changes in dyspeptic symptoms.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Exploratory

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

he urea breath test was performed, and subjects fasted on the day of testing. Serum pepsinogen (PG) was measured and H. pylori stool antigen detection was evaluated.
UBT, serum pepsinogen, and stool antigen detection were performed before and after consumption of the test product.

Key secondary outcomes

Gastrointestinal symptoms were assessed using a visual analogue scale (VAS). Each participant kept a diary during consumption of the test product to record compliance and gastrointestinal symptoms (upper abdominal pain, bloating, indigestion, nausea, vomiting, and heartburn).


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Double blind -all involved are blinded

Control

Placebo

Stratification

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

Central registration


Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Food

Interventions/Control_1

Yogurt containing L. gasseri OLL2716 (90 g) was consumed once daily for 12 weeks.

Interventions/Control_2

placebo yogurt (identical in appearance and taste

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

30 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

Inclusion criteria for participation were age over 30 years and confirmed H. pylori positivity.

Key exclusion criteria

included organic disorders, such as gastric cancer, gastric ulcers, duodenal ulcers, pyloric stenosis, use of NSAIDs, antibiotic treatment before the study, use of PPIs or H2 antagonists, H. pylori eradication therapy within 6 months before the study, ingestion of yogurt or lactic acid bacteria beverages, and the use of antiflatulence agents.

Target sample size

150


Research contact person

Name of lead principal investigator

1st name
Middle name
Last name Atsushi Takagi

Organization

Tokai University School of Medicine

Division name

General Internal Medicine

Zip code


Address

143, Shimokasuya, Isehara, Japan

TEL

0463-93-1121

Email

takagia@is.icc.u-tokai.ac.jp


Public contact

Name of contact person

1st name
Middle name
Last name Atsushi Takagi

Organization

Tokai University School of Medicine

Division name

General Internal Medicine

Zip code


Address

143, Shimokasuya, Isehara

TEL

0463-93-1121

Homepage URL


Email

takagia@is.icc.u-tokai.ac.jp


Sponsor or person

Institute

Study group of LG

Institute

Department

Personal name



Funding Source

Organization

Tokai University

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


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

2015 Year 03 Month 14 Day


Related information

URL releasing protocol


Publication of results

Partially published


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

2012 Year 03 Month 01 Day

Date of IRB


Anticipated trial start date

2012 Year 03 Month 01 Day

Last follow-up date


Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2015 Year 03 Month 09 Day

Last modified on

2015 Year 03 Month 09 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000019422