UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000057544
Receipt number R000065745
Scientific Title Investigation of the effects of a cranberry extract processed food product on the urinary microbiota of adults with urinary urgency
Date of disclosure of the study information 2025/06/26
Last modified on 2025/06/26 00:02:02

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Basic information

Public title

Investigation of the effects of a cranberry extract processed food product on the urinary microbiota of adults with urinary urgency

Acronym

Investigation of the effects of a cranberry extract processed food product on the urinary microbiota of adults with urinary urgency

Scientific Title

Investigation of the effects of a cranberry extract processed food product on the urinary microbiota of adults with urinary urgency

Scientific Title:Acronym

Investigation of the effects of a cranberry extract processed food product on the urinary microbiota of adults with urinary urgency

Region

Japan


Condition

Condition

Overactive bladder

Classification by specialty

Urology Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To clarify how the urinary microbiota changes when adults with urinary urgency consume a cranberry extract processed food product.

Basic objectives2

Others

Basic objectives -Others

Relative abundance of urinary microbiota

Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase

Not applicable


Assessment

Primary outcomes

Relative abundance of urinary microbiota

Key secondary outcomes

Diversity of urinary microbiota
Urine pH
Hippuric acid concentration in urine


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

Prevention

Type of intervention

Food

Interventions/Control_1

Participants assigned to Group 1 will consume 5 tablets of the cranberry extract processed food product once daily for 8 weeks.

Interventions/Control_2

Participants assigned to Group 2 will consume 5 tablets of placebo once daily for the first 4 weeks, followed by 5 tablets of the cranberry extract processed food product once daily for the subsequent 4 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

18 years-old <=

Age-upper limit


Not applicable

Gender

Male and Female

Key inclusion criteria

1 At the time of obtaining consent, individual age is 18years or older.
2 Able to provide written informed consent after receiving a full explanation of the study

Key exclusion criteria

1) Use of antibiotics within the past 3 months.
2) Pregnancy or breastfeeding.
3) Any condition judged by the principal investigator to make the individual unsuitable for participation in the study.

Target sample size

30


Research contact person

Name of lead principal investigator

1st name Shohei
Middle name
Last name Akagawa

Organization

Kansai Medical University

Division name

Department of Pediatrics

Zip code

573-1191

Address

2-5-1 Shinmachi, Hirakata City, Osaka Prefecture, Japan

TEL

072-804-0101

Email

akagawa.sho@kmu.ac.jp


Public contact

Name of contact person

1st name Shohei
Middle name
Last name Akagawa

Organization

Kansai Medical University

Division name

Department of Pediatrics

Zip code

573-1191

Address

2-5-1 Shinmachi, Hirakata City, Osaka Prefecture, Japan

TEL

072-804-0101

Homepage URL


Email

akagawa.sho@kmu.ac.jp


Sponsor or person

Institute

Kansai Medical University

Institute

Department

Personal name

Shohei Akagawa


Funding Source

Organization

None

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

Ethics Review Center, Kansai Medical University

Address

Room 701, 7th Floor, 2-5-1 Shinmachi, Hirakata City, Osaka Prefecture, Japan

Tel

072-804-0101

Email

rinriirb@hirakata.kmu.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

関西医科大学附属病院(大阪府)/Kansai Medical University Hospital (Osaka Prefecture)


Other administrative information

Date of disclosure of the study information

2025 Year 06 Month 26 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

Enrolling by invitation

Date of protocol fixation

2026 Year 12 Month 31 Day

Date of IRB

2025 Year 03 Month 25 Day

Anticipated trial start date

2025 Year 05 Month 07 Day

Last follow-up date

2026 Year 12 Month 31 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information



Management information

Registered date

2025 Year 04 Month 07 Day

Last modified on

2025 Year 06 Month 26 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000065745