UMIN-CTR Clinical Trial

Unique ID issued by UMIN UMIN000025511
Receipt number R000029362
Scientific Title Retrospective study of epidural labor and its effect on mode of delivery in Japan
Date of disclosure of the study information 2017/01/04
Last modified on 2019/07/11 18:41:28

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Basic information

Public title

Retrospective study of epidural labor and its effect on mode of delivery in Japan

Acronym

Retrospective study of epidural labor and its effect on mode of delivery in Japan

Scientific Title

Retrospective study of epidural labor and its effect on mode of delivery in Japan

Scientific Title:Acronym

Retrospective study of epidural labor and its effect on mode of delivery in Japan

Region

Japan


Condition

Condition

Pregnant who delivered in our institute

Classification by specialty

Obstetrics and Gynecology Anesthesiology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Epidural anesthesia reduces pain during labor. Although, some meta-analysis performed aboard have shown that epidural labor does not negatively affect the course of labor, it is still unclear for Japanese women. The objective of this research is to study the effect of epidural anesthesia in Japanese population.

Basic objectives2

Safety,Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Mode of delivery

Key secondary outcomes



Base

Study type

Observational


Study design

Basic design


Randomization


Randomization unit


Blinding


Control


Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms


Purpose of intervention


Type of intervention


Interventions/Control_1


Interventions/Control_2


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


Not applicable

Age-upper limit


Not applicable

Gender

Female

Key inclusion criteria

Pregnant who underwent labor in our institute during the study period

Key exclusion criteria

Artificial abortion
Intrapartum fetus death
gestational week less than 36weeks
multiple fetus

Target sample size

2000


Research contact person

Name of lead principal investigator

1st name Yusuke
Middle name
Last name Naito

Organization

Osaka Health Center and Research Institute for Maternal and Child Birth

Division name

Department of Anesthesiology

Zip code

5941101

Address

840 Murodo-cho, Izumi-shi, Osaka, Japan

TEL

0725-56-1220

Email

schneider.yusuke@gmail.com


Public contact

Name of contact person

1st name Yusuke
Middle name
Last name Naito

Organization

Osaka Health Center and Research Institute for Maternal and Child Birth

Division name

Department of Anesthesiology

Zip code

5941101

Address

840 Murodo-cho, Izumi-shi, Osaka, Japan

TEL

0725-56-1220

Homepage URL

https://www.mch.pref.osaka.jp/center/activities/rinri_05_28.html

Email

schneider.yusuke@gmail.com


Sponsor or person

Institute

Osaka Health Center and Research Institute for Maternal and Child Birth, Department of Anesthesiology

Institute

Department

Personal name



Funding Source

Organization

Self funding

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor

Nara Medical University

Name of secondary funder(s)

Department of Anesthesiology


IRB Contact (For public release)

Organization

Osaka Health Center and Research Institute for Maternal and Child Birth, Department of Anesthesiology

Address

840 Murodo-cho, Izumi-shi, Osaka, Japan

Tel

0725-56-1220

Email

schneider.yusuke@gmail.com


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

2017 Year 01 Month 04 Day


Related information

URL releasing protocol

https://jaclinicalreports.springeropen.com/articles/10.1186/s40981-019-0260-z

Publication of results

Published


Result

URL related to results and publications

https://jaclinicalreports.springeropen.com/articles/10.1186/s40981-019-0260-z

Number of participants that the trial has enrolled

2632

Results


Conclusion
Use of LEA did not increase the rate of cesarean section when analyzed by propensity score-matched analysis in our institute.

Results date posted

2019 Year 07 Month 11 Day

Results Delayed


Results Delay Reason


Date of the first journal publication of results


Baseline Characteristics

Pregnant women who delivered the child at gestational age of 36weeks or older

Participant flow

Out of 4000 pregnant women, women who met exclusion criteria were excluded. Rest of the women were divided into two groups (labor with/without epidural analgesia). We performed propensity score matching to analyze the results.

Adverse events

None

Outcome measures

Mode of Delivery, Duration of labor, neonatal outcomes

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Main results already published

Date of protocol fixation

2016 Year 11 Month 01 Day

Date of IRB

2016 Year 10 Month 16 Day

Anticipated trial start date

2016 Year 11 Month 01 Day

Last follow-up date

2018 Year 04 Month 01 Day

Date of closure to data entry


Date trial data considered complete


Date analysis concluded



Other

Other related information

For the pregnant meeting inclusion criteria, following variables are collected.
Characteristics ( height, weight, complication), onset of labor, course of labor (duration of first and second stage of labor, mode of delivery), outcome of the infants


Management information

Registered date

2017 Year 01 Month 04 Day

Last modified on

2019 Year 07 Month 11 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000029362


Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name