UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000048151
Receipt number R000054871
Scientific Title The effect of chronic intake of Dioscorea esculenta powder on menstrual pain in young women-randomized crossover doubleblind study-
Date of disclosure of the study information 2022/06/30
Last modified on 2022/12/23 09:35:55

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Basic information

Public title

The effect of chronic intake of Dioscorea esculenta powder on menstrual pain in young women

Acronym

Dioscorea esculenta intake and menstrual pain

Scientific Title

The effect of chronic intake of Dioscorea esculenta powder on menstrual pain in young women-randomized crossover doubleblind study-

Scientific Title:Acronym

The development of new supplement for prevention of severe menstrual pain

Region

Japan


Condition

Condition

Normal healthy adult female

Classification by specialty

Obstetrics and Gynecology Adult

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

The aim of this measurement is to investigate the effect of chronic dioscorea esculenta intake on menstrual pain and related cytokine.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1

Confirmatory

Trial characteristics_2


Developmental phase

Phase I


Assessment

Primary outcomes

PGE2, COX-2
MPQ, DRSP

Key secondary outcomes



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

NO

Dynamic allocation

NO

Institution consideration

Institution is not considered as adjustment factor.

Blocking

NO

Concealment

No need to know


Intervention

No. of arms

2

Purpose of intervention

Prevention

Type of intervention

Food

Interventions/Control_1

Participants were administered Dioscorea esculenta (300 mg/day) for 4 weeks during the first trial and, after a 4-week washout period, the Dioscorea esculenta and placebo groups exchanged their assigned treatments for the second trial.

Interventions/Control_2

Participants were administered placebo for 4 weeks during the first trial and, after a 4-week washout period,the Dioscorea esculenta and placebo groups exchanged their assigned treatments for the second trial.

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

30 years-old >

Gender

Female

Key inclusion criteria

Participants included normal menstruation about 21 days to 35 days as well as has symptoms for PMS and severe menstrual pain

Key exclusion criteria

Participants with a history of smoking, medication use, and dietary nutritional supplementation were excluded from this study

Target sample size

15


Research contact person

Name of lead principal investigator

1st name Koji
Middle name
Last name Sato

Organization

Kobe University

Division name

Graduate Scholl of Human Development and Environment

Zip code

657-8501

Address

3-11, Tsurukabuto, Nada-Ku, Kobe

TEL

078-803-7812

Email

sato712@people.kobe-u.ac.jp


Public contact

Name of contact person

1st name Koji
Middle name
Last name Sato

Organization

Kobe University

Division name

Graduate Scholl of Human Development and Environment

Zip code

657-8501

Address

3-11, Tsurukabuto, Nada-Ku, Kobe

TEL

078-803-7812

Homepage URL


Email

sato712@people.kobe-u.ac.jp


Sponsor or person

Institute

Kobe University

Institute

Department

Personal name



Funding Source

Organization

Tobe Maki Foundation

Organization

Division

Category of Funding Organization

Non profit foundation

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Kobe University

Address

3-11, Tsurukabuto, Nada-Ku, Kobe

Tel

078-803-7812

Email

sato712@people.kobe-u.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



Other administrative information

Date of disclosure of the study information

2022 Year 06 Month 30 Day


Related information

URL releasing protocol

https://pubmed.ncbi.nlm.nih.gov/36217795/

Publication of results

Published


Result

URL related to results and publications

https://pubmed.ncbi.nlm.nih.gov/36217795/

Number of participants that the trial has enrolled

10

Results

PGE2 and COX-2 levels significantly decreased after D. esculenta intake compared to placebo (p = 0.038, p = 0.042 each). The VAS and DRSP scores were also significantly lower after D. esculenta intake (p = 0.046, p = 0.035 each)

Results date posted

2022 Year 12 Month 23 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results

2022 Year 10 Month 11 Day

Baseline Characteristics


Participant flow


Adverse events


Outcome measures


Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Main results already published

Date of protocol fixation

2022 Year 05 Month 26 Day

Date of IRB

2022 Year 08 Month 01 Day

Anticipated trial start date

2022 Year 06 Month 04 Day

Last follow-up date

2022 Year 10 Month 30 Day

Date of closure to data entry

2022 Year 12 Month 23 Day

Date trial data considered complete

2022 Year 12 Month 23 Day

Date analysis concluded

2022 Year 12 Month 23 Day


Other

Other related information



Management information

Registered date

2022 Year 06 Month 24 Day

Last modified on

2022 Year 12 Month 23 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000054871


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name