UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000043944
Receipt number R000050146
Scientific Title Evaluation of the efficacy of Lactobacillus lubricant gel as a feminine care product
Date of disclosure of the study information 2021/04/16
Last modified on 2023/04/18 11:05:17

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Basic information

Public title

Evaluation of the efficacy of Lactobacillus lubricant gel as a feminine care product

Acronym

Evaluation of the efficacy of Lactobacillus lubricant gel as a feminine care product

Scientific Title

Evaluation of the efficacy of Lactobacillus lubricant gel as a feminine care product

Scientific Title:Acronym

Evaluation of the efficacy of Lactobacillus lubricant gel as a feminine care product

Region

Japan


Condition

Condition

Healthy subjects

Classification by specialty

Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

To evaluate the efficacy of Lactobacillus containing lubricant gel as a feminine care product

Basic objectives2

Safety

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2

Explanatory

Developmental phase

Not applicable


Assessment

Primary outcomes

Changes in vaginal flora types, compositions, diversity index and clusters before and after the intervention at 4 weeks

Key secondary outcomes

Comparison of the following changes before and after the intervention at 4 weeks
2. Vaginal pH
3. Lifestyle habits, well being, climacteric symptoms, overactive bladder symptoms
One time evaluation before the intervention
4. Vaginal maturation index
5. Ovarian function(E2, FSH)
6. Gut micro-flora
7. Equol producer status


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Randomized

Randomization unit

Individual

Blinding

Open -no one is blinded

Control

Active

Stratification

YES

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

Central registration


Intervention

No. of arms

6

Purpose of intervention

Treatment

Type of intervention

Other

Interventions/Control_1

Five pre-menopausal women without using any feminine products

Interventions/Control_2

Fifteen pre-menopausal women using feminine soap and cream for 4 weeks

Interventions/Control_3

Fifteen pre-menopausal women using feminine soap, cream and Lactobacillus containing lubricant gel for 4 weeks

Interventions/Control_4

Five post-menopausal women without using any feminine products

Interventions/Control_5

Fifteen postmenopausal women using feminine soap and cream for 4 weeks

Interventions/Control_6

Fifteen postmenopausal women using feminine soap, cream and Lactobacillus containing lubricant gel for 4 weeks

Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

75 years-old >=

Gender

Female

Key inclusion criteria

Thirty five healthy pre-menopausal women (20-49 years of age)
Thirty five healthy postmenopausal women (50-75 years of age)
-Who give consent on the research
-Postmenopausal women (natural absence of menstruation over at least 12 months since the last menstrual period or FSH >= 25mIU/mL, E2<20pg/mL excluding surgical menopause

Key exclusion criteria

1. Those under treatment for urinary tract infection
2. Those under treatment for urinary stone, hydronephrosis, renal tumor, etc.
3. Those who have taken antibiotics or steroids 2 weeks before the study or during the study
4. Those who have skin lesions on skin and mucosa of external genitalia or gynecological diseases such as vaginitis (except from asymptomatic atrophic vaginitis)
5. Those considered ineligible by the investigators

Target sample size

70


Research contact person

Name of lead principal investigator

1st name Remi
Middle name
Last name Yoshikata

Organization

Shinkokai Medical Corporation

Division name

Hamamatsucho Hamasite Clinic

Zip code

102-0022

Address

Shiodome Building 2F, 1-2-20 Kaigan, Minato-ku, Tokyo

TEL

03-5472-1100

Email

r-yoshikata@tokyomidtown-mc.jp


Public contact

Name of contact person

1st name Shoji
Middle name
Last name Isono

Organization

Advanced Medical Care Co. Ltd.

Division name

Aging Care Division

Zip code

106-0032

Address

Engyo Building 7F, 7-15-14 Roppongi, Minato-ku, Tokyo

TEL

03-6890-0036

Homepage URL


Email

s-isono@amcare.co.jp


Sponsor or person

Institute

Aging Care Division
Advanced Medical Care Co. Ltd.

Institute

Department

Personal name



Funding Source

Organization

Aging Care Division
Advanced Medical Care Co. Ltd.

Organization

Division

Category of Funding Organization

Profit organization

Nationality of Funding Organization

Japan


Other related organizations

Co-sponsor

Hamamatsucho Hamasite Clinic
Shinkokai Medical Corporation

Name of secondary funder(s)



IRB Contact (For public release)

Organization

Institutional Review Board of the Medical Corporation of Shinkokai

Address

SVAX Nishi-Shinbashi Building, 2-39-3 Nishi-Shinbashi, Minato-ku, Tokyo

Tel

03-5408-8690

Email

chie-nishijima@shinkokai.co.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



Other administrative information

Date of disclosure of the study information

2021 Year 04 Month 16 Day


Related information

URL releasing protocol

https://center6.umin.ac.jp/cgi-open-bin/ctr/ctr_view.cgi?recptno=R000050146

Publication of results

Published


Result

URL related to results and publications

https://doi.org/10.1371/journal.pone.0270242

Number of participants that the trial has enrolled

70

Results

Vaginal pH and pathogenic flora were reduced in both treatment groups compared to control group,especially in the treatment 2 group of postmenopausal women. Genitourinary symptoms significantly improved in 60% of premenopausal women in treatment 1 group and 81.3% of postmenopausal women in treatment 2 group compared to control group. Overactive bladder symptom scores were significantly improved in postmenopausal women suspected of having overactive bladder.

Results date posted

2022 Year 04 Month 18 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results

2022 Year 12 Month 30 Day

Baseline Characteristics

70 healthy Japanese women, who volunteered to participate in the study conducted at the Hamasite Clinic in Tokyo Prefecture from April to July 2021. Half of them were premenopausal women, and half were postmenopausal women. Menopause was defined as no menstruation at least 12 months since the last menstrual period, follicular stimulating hormone level of 25mIU/mL and above and estradiol level less than 20 pg/ml.

Participant flow

The recruitment process started in March 2021, using pamphlets and posters targeting the female employees at the Resorttrust, Inc., their relatives and friends. The contents include the importance of feminine care, the objectives of the study, inclusion and exclusion criteria, measurements, tests and products to be used, study period, incentive for participation, and contact details. Within one month of recruitment, seventy-three women registered for participation in the study. Among them, 70 were selected based on the inclusion and exclusion criteria by the end of March, 2021.

Adverse events

No adverse events reported.

Outcome measures

Comparison of the changes in the vaginal microbiota, genitourinary symptoms, and other related biomarkers before and after completion of treatment.

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2021 Year 03 Month 23 Day

Date of IRB

2021 Year 03 Month 22 Day

Anticipated trial start date

2021 Year 05 Month 01 Day

Last follow-up date

2021 Year 07 Month 01 Day

Date of closure to data entry

2021 Year 08 Month 31 Day

Date trial data considered complete

2021 Year 09 Month 30 Day

Date analysis concluded

2021 Year 10 Month 31 Day


Other

Other related information



Management information

Registered date

2021 Year 04 Month 16 Day

Last modified on

2023 Year 04 Month 18 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000050146


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name